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Title: When power shapes interpersonal behavior: Low relationship power predicts men's aggressive responses to low situational power..
Creator: Overall, Nickola C, Hammond, Matthew D, McNulty, James K, Finkel, Eli J
Abstract/Description: When does power in intimate relationships shape important interpersonal behaviors, such as psychological aggression? Five studies tested whether possessing low relationship power was associated with aggressive responses, but (a) only within power-relevant relationship interactions when situational power was low, and (b) only by men because masculinity (but not femininity) involves the possession and demonstration of power. In Studies 1 and 2, men lower in relationship power exhibited greater...
Show moreWhen does power in intimate relationships shape important interpersonal behaviors, such as psychological aggression? Five studies tested whether possessing low relationship power was associated with aggressive responses, but (a) only within power-relevant relationship interactions when situational power was low, and (b) only by men because masculinity (but not femininity) involves the possession and demonstration of power. In Studies 1 and 2, men lower in relationship power exhibited greater aggressive communication during couples' observed conflict discussions, but only when they experienced low situational power because they were unable to influence their partner. In Study 3, men lower in relationship power reported greater daily aggressive responses toward their partner, but only on days when they experienced low situational power because they were either (a) unable to influence their partner or (b) dependent on their partner for support. In Study 4, men who possessed lower relationship power exhibited greater aggressive responses during couples' support-relevant discussions, but only when they had low situational power because they needed high levels of support. Study 5 provided evidence for the theoretical mechanism underlying men's aggressive responses to low relationship power. Men who possessed lower relationship power felt less manly on days they faced low situational power because their partner was unwilling to change to resolve relationship problems, which in turn predicted greater aggressive behavior toward their partner. These results demonstrate that fully understanding when and why power is associated with interpersonal behavior requires differentiating between relationship and situational power. (PsycINFO Database Record
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Date Issued: 2016-08-01
Identifier: FSU_pmch_27442766, 10.1037/pspi0000059, PMC5069702, 27442766, 27442766, 2016-35676-001
Format: Citation

Title: Spatio-temporal re-organization of replication foci accompanies replication domain consolidation during human pluripotent stem cell lineage specification.
Creator: Wilson, Korey A, Elefanty, Andrew G, Stanley, Edouard G, Gilbert, David M
Abstract/Description: Lineage specification of both mouse and human pluripotent stem cells (PSCs) is accompanied by spatial consolidation of chromosome domains and temporal consolidation of their replication timing. Replication timing and chromatin organization are both established during G1 phase at the timing decision point (TDP). Here, we have developed live cell imaging tools to track spatio-temporal replication domain consolidation during differentiation. First, we demonstrate that the fluorescence...
Show moreLineage specification of both mouse and human pluripotent stem cells (PSCs) is accompanied by spatial consolidation of chromosome domains and temporal consolidation of their replication timing. Replication timing and chromatin organization are both established during G1 phase at the timing decision point (TDP). Here, we have developed live cell imaging tools to track spatio-temporal replication domain consolidation during differentiation. First, we demonstrate that the fluorescence ubiquitination cell cycle indicator (Fucci) system is incapable of demarcating G1/S or G2/M cell cycle transitions. Instead, we employ a combination of fluorescent PCNA to monitor S phase progression, cytokinesis to demarcate mitosis, and fluorescent nucleotides to label early and late replication foci and track their 3D organization into sub-nuclear chromatin compartments throughout all cell cycle transitions. We find that, as human PSCs differentiate, the length of S phase devoted to replication of spatially clustered replication foci increases, coincident with global compartmentalization of domains into temporally clustered blocks of chromatin. Importantly, re-localization and anchorage of domains was completed prior to the onset of S phase, even in the context of an abbreviated PSC G1 phase. This approach can also be employed to investigate cell fate transitions in single PSCs, which could be seen to differentiate preferentially from G1 phase. Together, our results establish real-time, live-cell imaging methods for tracking cell cycle transitions during human PSC differentiation that can be applied to study chromosome domain consolidation and other aspects of lineage specification.
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Date Issued: 2016-09-16
Identifier: FSU_pmch_27433885, 10.1080/15384101.2016.1203492, PMC5026818, 27433885, 27433885
Format: Citation

Title: High hardness in the biocompatible intermetallic compound β-Ti3Au.
Creator: Svanidze, Eteri, Besara, Tiglet, Ozaydin, M Fevsi, Tiwary, Chandra Sekhar, Wang, Jiakui K, Radhakrishnan, Sruthi, Mani, Sendurai, Xin, Yan, Han, Ke, Liang, Hong, Siegrist, Theo,...
Show moreSvanidze, Eteri, Besara, Tiglet, Ozaydin, M Fevsi, Tiwary, Chandra Sekhar, Wang, Jiakui K, Radhakrishnan, Sruthi, Mani, Sendurai, Xin, Yan, Han, Ke, Liang, Hong, Siegrist, Theo, Ajayan, Pulickel M, Morosan, E
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Abstract/Description: The search for new hard materials is often challenging, but strongly motivated by the vast application potential such materials hold. Ti3Au exhibits high hardness values (about four times those of pure Ti and most steel alloys), reduced coefficient of friction and wear rates, and biocompatibility, all of which are optimal traits for orthopedic, dental, and prosthetic applications. In addition, the ability of this compound to adhere to ceramic parts can reduce both the weight and the cost of...
Show moreThe search for new hard materials is often challenging, but strongly motivated by the vast application potential such materials hold. Ti3Au exhibits high hardness values (about four times those of pure Ti and most steel alloys), reduced coefficient of friction and wear rates, and biocompatibility, all of which are optimal traits for orthopedic, dental, and prosthetic applications. In addition, the ability of this compound to adhere to ceramic parts can reduce both the weight and the cost of medical components. The fourfold increase in the hardness of Ti3Au compared to other Ti-Au alloys and compounds can be attributed to the elevated valence electron density, the reduced bond length, and the pseudogap formation. Understanding the origin of hardness in this intermetallic compound provides an avenue toward designing superior biocompatible, hard materials.
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Date Issued: 2016-07-20
Identifier: FSU_pmch_27453942, 10.1126/sciadv.1600319, PMC4956191, 27453942, 27453942, 1600319
Format: Citation

Title: Deletion of DXZ4 on the human inactive X chromosome alters higher-order genome architecture.
Creator: Darrow, Emily M, Huntley, Miriam H, Dudchenko, Olga, Stamenova, Elena K, Durand, Neva C, Sun, Zhuo, Huang, Su-Chen, Sanborn, Adrian L, Machol, Ido, Shamim, Muhammad, Seberg,...
Show moreDarrow, Emily M, Huntley, Miriam H, Dudchenko, Olga, Stamenova, Elena K, Durand, Neva C, Sun, Zhuo, Huang, Su-Chen, Sanborn, Adrian L, Machol, Ido, Shamim, Muhammad, Seberg, Andrew P, Lander, Eric S, Chadwick, Brian P, Aiden, Erez Lieberman
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Abstract/Description: During interphase, the inactive X chromosome (Xi) is largely transcriptionally silent and adopts an unusual 3D configuration known as the "Barr body." Despite the importance of X chromosome inactivation, little is known about this 3D conformation. We recently showed that in humans the Xi chromosome exhibits three structural features, two of which are not shared by other chromosomes. First, like the chromosomes of many species, Xi forms compartments. Second, Xi is partitioned into two huge...
Show moreDuring interphase, the inactive X chromosome (Xi) is largely transcriptionally silent and adopts an unusual 3D configuration known as the "Barr body." Despite the importance of X chromosome inactivation, little is known about this 3D conformation. We recently showed that in humans the Xi chromosome exhibits three structural features, two of which are not shared by other chromosomes. First, like the chromosomes of many species, Xi forms compartments. Second, Xi is partitioned into two huge intervals, called "superdomains," such that pairs of loci in the same superdomain tend to colocalize. The boundary between the superdomains lies near DXZ4, a macrosatellite repeat whose Xi allele extensively binds the protein CCCTC-binding factor. Third, Xi exhibits extremely large loops, up to 77 megabases long, called "superloops." DXZ4 lies at the anchor of several superloops. Here, we combine 3D mapping, microscopy, and genome editing to study the structure of Xi, focusing on the role of DXZ4 We show that superloops and superdomains are conserved across eutherian mammals. By analyzing ligation events involving three or more loci, we demonstrate that DXZ4 and other superloop anchors tend to colocate simultaneously. Finally, we show that deleting DXZ4 on Xi leads to the disappearance of superdomains and superloops, changes in compartmentalization patterns, and changes in the distribution of chromatin marks. Thus, DXZ4 is essential for proper Xi packaging.
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Date Issued: 2016-08-02
Identifier: FSU_pmch_27432957, 10.1073/pnas.1609643113, PMC4978254, 27432957, 27432957, 1609643113
Format: Citation

Title: Feeling Older and the Development of Cognitive Impairment and Dementia.
Creator: Stephan, Yannick, Sutin, Angelina R, Luchetti, Martina, Terracciano, Antonio
Abstract/Description: Subjective age is a biopsychosocial marker of aging associated with a range of outcomes in old age. In the domain of cognition, feeling older than one's chronological age is related to lower cognitive performance and steeper cognitive decline among older adults. The present study examines whether an older subjective age is associated with the risk of incident cognitive impairment and dementia. Participants were 5,748 individuals aged 65 years and older drawn from the Health and Retirement...
Show moreSubjective age is a biopsychosocial marker of aging associated with a range of outcomes in old age. In the domain of cognition, feeling older than one's chronological age is related to lower cognitive performance and steeper cognitive decline among older adults. The present study examines whether an older subjective age is associated with the risk of incident cognitive impairment and dementia. Participants were 5,748 individuals aged 65 years and older drawn from the Health and Retirement Study. Measures of subjective age, cognition, and covariates were obtained at baseline, and follow-up cognition was assessed over a 2- to 4-year period. Only participants without cognitive impairment were included at baseline. At follow-up, participants were classified into one of the three categories: normal functioning, cognitive impairment without dementia (CIND), and dementia. An older subjective age at baseline was associated with higher likelihood of CIND (odds ratio [OR] = 1.18; 1.09-1.28) and dementia (OR = 1.29; 1.02-1.63) at follow-up, controlling for chronological age, other demographic factors, and baseline cognition. Physical inactivity and depressive symptoms partly accounted for these associations. An older subjective age is a marker of individuals' risk of subsequent cognitive impairment and dementia.
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Date Issued: 2017-10-01
Identifier: FSU_pmch_27436103, 10.1093/geronb/gbw085, PMC5927095, 27436103, 27436103, gbw085
Format: Citation

Title: Multiplexing Fluorescence Anisotropy Using Frequency Encoding.
Creator: Schrell, Adrian M, Mukhitov, Nikita, Roper, Michael G
Abstract/Description: In this report, a method to multiplex fluorescence anisotropy measurements is described using frequency encoding. As a demonstration of the method, simultaneous competitive immunoassays for insulin and glucagon were performed by measuring the ratio of bound and free Cy5-insulin and FITC-glucagon in the presence of their respective antibodies. A vertically polarized 635 nm laser was pulsed at 73 Hz and used to excite Cy5-insulin, while a vertically polarized 488 nm laser pulsed at 137 Hz...
Show moreIn this report, a method to multiplex fluorescence anisotropy measurements is described using frequency encoding. As a demonstration of the method, simultaneous competitive immunoassays for insulin and glucagon were performed by measuring the ratio of bound and free Cy5-insulin and FITC-glucagon in the presence of their respective antibodies. A vertically polarized 635 nm laser was pulsed at 73 Hz and used to excite Cy5-insulin, while a vertically polarized 488 nm laser pulsed at 137 Hz excited FITC-glucagon. The total emission was split into parallel and perpendicular polarizations and collected onto separate photomultiplier tubes. The signals from each channel were demodulated using a fast Fourier transform, resolving the contributions from each fluorophore. Anisotropy calculations were carried out using the magnitude of the peaks in the frequency domain. The method produced the expected shape of the calibration curves with limits of detection of 0.6 and 5 nM for insulin and glucagon, respectively. This methodology could readily be expanded to other biological systems and further multiplexed to monitor increased numbers of analytes.
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Date Issued: 2016-08-16
Identifier: FSU_pmch_27440478, 10.1021/acs.analchem.6b02131, PMC4991543, 27440478, 27440478
Format: Citation

Title: Event generator tunes obtained from underlying event and multiparton scattering measurements.
Creator: Khachatryan, V, Sirunyan, A M, Tumasyan, A, Adam, W, Asilar, E, Bergauer, T, Brandstetter, J, Brondolin, E, Dragicevic, M, Erö, J, Friedl, M, Frühwirth, R, Ghete, V M, Hartl, C,...
Show moreKhachatryan, V, Sirunyan, A M, Tumasyan, A, Adam, W, Asilar, E, Bergauer, T, Brandstetter, J, Brondolin, E, Dragicevic, M, Erö, J, Friedl, M, Frühwirth, R, Ghete, V M, Hartl, C, Hörmann, N, Hrubec, J, Jeitler, M, Knünz, V, König, A, Krammer, M, Krätschmer, I, Liko, D, Matsushita, T, Mikulec, I, Rabady, D, Rahbaran, B, Rohringer, H, Schieck, J, Schöfbeck, R, Strauss, J, Treberer-Treberspurg, W, Waltenberger, W, Wulz, C-E, Mossolov, V, Shumeiko, N, Suarez Gonzalez, J, Alderweireldt, S, Cornelis, T, De Wolf, E A, Janssen, X, Knutsson, A, Lauwers, J, Luyckx, S, Van De Klundert, M, Van Haevermaet, H, Van Mechelen, P, Van Remortel, N, Van Spilbeeck, A, Abu Zeid, S, Blekman, F, D'Hondt, J, Daci, N, De Bruyn, I, Deroover, K, Heracleous, N, Keaveney, J, Lowette, S, Moreels, L, Olbrechts, A, Python, Q, Strom, D, Tavernier, S, Van Doninck, W, Van Mulders, P, Van Onsem, G P, Van Parijs, I, Barria, P, Brun, H, Caillol, C, Clerbaux, B, De Lentdecker, G, Fasanella, G, Favart, L, Grebenyuk, A, Karapostoli, G, Lenzi, T, Léonard, A, Maerschalk, T, Marinov, A, Perniè, L, Randle-Conde, A, Seva, T, Vander Velde, C, Yonamine, R, Vanlaer, P, Yonamine, R, Zenoni, F, Zhang, F, Adler, V, Beernaert, K, Benucci, L, Cimmino, A, Crucy, S, Dobur, D, Fagot, A, Garcia, G, Gul, M, Mccartin, J, Ocampo Rios, A A, Poyraz, D, Ryckbosch, D, Salva, S, Sigamani, M, Tytgat, M, Van Driessche, W, Yazgan, E, Zaganidis, N, Basegmez, S, Beluffi, C, Bondu, O, Brochet, S, Bruno, G, Caudron, A, Ceard, L, Da Silveira, G G, Delaere, C, Favart, D, Forthomme, L, Giammanco, A, Hollar, J, Jafari, A, Jez, P, Komm, M, Lemaitre, V, Mertens, A, Musich, M, Nuttens, C, Perrini, L, Pin, A, Piotrzkowski, K, Popov, A, Quertenmont, L, Selvaggi, M, Vidal Marono, M, Beliy, N, Hammad, G H, Júnior, W L Aldá, Alves, F L, Alves, G A, Brito, L, Correa Martins Junior, M, Hamer, M, Hensel, C, Moraes, A, Pol, M E, Rebello Teles, P, Belchior Batista Das Chagas, E, Carvalho, W, Chinellato, J, Custódio, A, Da Costa, E M, De Jesus Damiao, D, De Oliveira Martins, C, Fonseca De Souza, S, Huertas Guativa, L M, Malbouisson, H, Matos Figueiredo, D, Mora Herrera, C, Mundim, L, Nogima, H, Prado Da Silva, W L, Santoro, A, Sznajder, A, Tonelli Manganote, E J, Vilela Pereira, A, Ahuja, S, Bernardes, C A, De Souza Santos, A, Dogra, S, Fernandez Perez Tomei, T R, Gregores, E M, Mercadante, P G, Moon, C S, Novaes, S F, Padula, Sandra S, Romero Abad, D, Ruiz Vargas, J C, Aleksandrov, A, Hadjiiska, R, Iaydjiev, P, Rodozov, M, Stoykova, S, Sultanov, G, Vutova, M, Dimitrov, A, Glushkov, I, Litov, L, Pavlov, B, Petkov, P, Ahmad, M, Bian, J G, Chen, G M, Chen, H S, Chen, M, Cheng, T, Du, R, Jiang, C H, Plestina, R, Romeo, F, Shaheen, S M, Spiezia, A, Tao, J, Wang, C, Wang, Z, Zhang, H, Asawatangtrakuldee, C, Ban, Y, Li, Q, Liu, S, Mao, Y, Qian, S J, Wang, D, Xu, Z, Avila, C, Cabrera, A, Chaparro Sierra, L F, Florez, C, Gomez, J P, Gomez Moreno, B, Sanabria, J C, Godinovic, N, Lelas, D, Puljak, I, Ribeiro Cipriano, P M, Antunovic, Z, Kovac, M, Brigljevic, V, Kadija, K, Luetic, J, Micanovic, S, Sudic, L, Attikis, A, Mavromanolakis, G, Mousa, J, Nicolaou, C, Ptochos, F, Razis, P A, Rykaczewski, H, Bodlak, M, Finger, M, Finger, M, Abdelalim, A A, Awad, A, Mahrous, A, Mohammed, Y, Radi, A, Calpas, B, Kadastik, M, Murumaa, M, Raidal, M, Tiko, A, Veelken, C, Eerola, P, Pekkanen, J, Voutilainen, M, Härkönen, J, Karimäki, V, Kinnunen, R, Lampén, T, Lassila-Perini, K, Lehti, S, Lindén, T, Luukka, P, Mäenpää, T, Peltola, T, Tuominen, E, Tuominiemi, J, Tuovinen, E, Wendland, L, Talvitie, J, Tuuva, T, Besancon, M, Couderc, F, Dejardin, M, Denegri, D, Fabbro, B, Faure, J L, Favaro, C, Ferri, F, Ganjour, S, Givernaud, A, Gras, P, Hamel de Monchenault, G, Jarry, P, Locci, E, Machet, M, Malcles, J, Rander, J, Rosowsky, A, Titov, M, Zghiche, A, Antropov, I, Baffioni, S, Beaudette, F, Busson, P, Cadamuro, L, Chapon, E, Charlot, C, Dahms, T, Davignon, O, Filipovic, N, Granier de Cassagnac, R, Jo, M, Lisniak, S, Mastrolorenzo, L, Miné, P, Naranjo, I N, Nguyen, M, Ochando, C, Ortona, G, Paganini, P, Pigard, P, Regnard, S, Salerno, R, Sauvan, J B, Sirois, Y, Strebler, T, Yilmaz, Y, Zabi, A, Agram, J-L, Andrea, J, Aubin, A, Bloch, D, Brom, J-M, Buttignol, M, Chabert, E C, Chanon, N, Collard, C, Conte, E, Coubez, X, Fontaine, J-C, Gelé, D, Goerlach, U, Goetzmann, C, Le Bihan, A-C, Merlin, J A, Skovpen, K, Van Hove, P, Gadrat, S, Beauceron, S, Bernet, C, Boudoul, G, Bouvier, E, Carrillo Montoya, C A, Chierici, R, Contardo, D, Courbon, B, Depasse, P, El Mamouni, H, Fan, J, Fay, J, Gascon, S, Gouzevitch, M, Ille, B, Lagarde, F, Laktineh, I B, Lethuillier, M, Mirabito, L, Pequegnot, A L, Perries, S, Ruiz Alvarez, J D, Sabes, D, Sgandurra, L, Sordini, V, Vander Donckt, M, Verdier, P, Viret, S, Toriashvili, T, Lomidze, D, Autermann, C, Beranek, S, Edelhoff, M, Feld, L, Heister, A, Kiesel, M K, Klein, K, Lipinski, M, Ostapchuk, A, Preuten, M, Raupach, F, Schael, S, Schulte, J F, Verlage, T, Weber, H, Wittmer, B, Zhukov, V, Ata, M, Brodski, M, Dietz-Laursonn, E, Duchardt, D, Endres, M, Erdmann, M, Erdweg, S, Esch, T, Fischer, R, Güth, A, Hebbeker, T, Heidemann, C, Hoepfner, K, Knutzen, S, Kreuzer, P, Merschmeyer, M, Meyer, A, Millet, P, Olschewski, M, Padeken, K, Papacz, P, Pook, T, Radziej, M, Reithler, H, Rieger, M, Scheuch, F, Sonnenschein, L, Teyssier, D, Thüer, S, Cherepanov, V, Erdogan, Y, Flügge, G, Geenen, H, Geisler, M, Hoehle, F, Kargoll, B, Kress, T, Kuessel, Y, Künsken, A, Lingemann, J, Nehrkorn, A, Nowack, A, Nugent, I M, Pistone, C, Pooth, O, Stahl, A, Aldaya Martin, M, Asin, I, Bartosik, N, Behnke, O, Behrens, U, Bell, A J, Borras, K, Burgmeier, A, Campbell, A, Choudhury, S, Costanza, F, Diez Pardos, C, Dolinska, G, Dooling, S, Dorland, T, Eckerlin, G, Eckstein, D, Eichhorn, T, Flucke, G, Gallo, E, Garcia, J Garay, Geiser, A, Gizhko, A, Gunnellini, P, Hauk, J, Hempel, M, Jung, H, Kalogeropoulos, A, Karacheban, O, Kasemann, M, Katsas, P, Kieseler, J, Kleinwort, C, Korol, I, Lange, W, Leonard, J, Lipka, K, Lobanov, A, Lohmann, W, Mankel, R, Marfin, I, Melzer-Pellmann, I-A, Meyer, A B, Mittag, G, Mnich, J, Mussgiller, A, Naumann-Emme, S, Nayak, A, Ntomari, E, Perrey, H, Pitzl, D, Placakyte, R, Raspereza, A, Roland, B, Sahin, M Ö, Saxena, P, Schoerner-Sadenius, T, Schröder, M, Seitz, C, Spannagel, S, Trippkewitz, K D, Walsh, R, Wissing, C, Blobel, V, Centis Vignali, M, Draeger, A R, Erfle, J, Garutti, E, Goebel, K, Gonzalez, D, Görner, M, Haller, J, Hoffmann, M, Höing, R S, Junkes, A, Klanner, R, Kogler, R, Kovalchuk, N, Lapsien, T, Lenz, T, Marchesini, I, Marconi, D, Meyer, M, Nowatschin, D, Ott, J, Pantaleo, F, Peiffer, T, Perieanu, A, Pietsch, N, Poehlsen, J, Rathjens, D, Sander, C, Scharf, C, Schettler, H, Schleper, P, Schlieckau, E, Schmidt, A, Schwandt, J, Sola, V, Stadie, H, Steinbrück, G, Tholen, H, Troendle, D, Usai, E, Vanelderen, L, Vanhoefer, A, Vormwald, B, Barth, C, Baus, C, Berger, J, Böser, C, Butz, E, Chwalek, T, Colombo, F, De Boer, W, Descroix, A, Dierlamm, A, Fink, S, Frensch, F, Friese, R, Giffels, M, Gilbert, A, Haitz, D, Hartmann, F, Heindl, S M, Husemann, U, Katkov, I, Kornmayer, A, Lobelle Pardo, P, Maier, B, Mildner, H, Mozer, M U, Müller, T, Müller, Th, Plagge, M, Quast, G, Rabbertz, K, Röcker, S, Roscher, F, Sieber, G, Simonis, H J, Stober, F M, Ulrich, R, Wagner-Kuhr, J, Wayand, S, Weber, M, Weiler, T, Williamson, S, Wöhrmann, C, Wolf, R, Anagnostou, G, Daskalakis, G, Geralis, T, Giakoumopoulou, V A, Kyriakis, A, Loukas, D, Psallidas, A, Topsis-Giotis, I, Agapitos, A, Kesisoglou, S, Panagiotou, A, Saoulidou, N, Tziaferi, E, Evangelou, I, Flouris, G, Foudas, C, Kokkas, P, Loukas, N, Manthos, N, Papadopoulos, I, Paradas, E, Strologas, J, Bencze, G, Hajdu, C, Hazi, A, Hidas, P, Horvath, D, Sikler, F, Veszpremi, V, Vesztergombi, G, Zsigmond, A J, Beni, N, Czellar, S, Karancsi, J, Molnar, J, Szillasi, Z, Bartók, M, Makovec, A, Raics, P, Trocsanyi, Z L, Ujvari, B, Mal, P, Mandal, K, Sahoo, D K, Sahoo, N, Swain, S K, Bansal, S, Beri, S B, Bhatnagar, V, Chawla, R, Gupta, R, Bhawandeep, U, Kalsi, A K, Kaur, A, Kaur, M, Kumar, R, Mehta, A, Mittal, M, Singh, J B, Walia, G, Kumar, Ashok, Bhardwaj, A, Choudhary, B C, Garg, R B, Kumar, A, Malhotra, S, Naimuddin, M, Nishu, N, Ranjan, K, Sharma, R, Sharma, V, Bhattacharya, S, Chatterjee, K, Dey, S, Dutta, S, Jain, Sa, Majumdar, N, Modak, A, Mondal, K, Mukherjee, S, Mukhopadhyay, S, Roy, A, Roy, D, Roy Chowdhury, S, Sarkar, S, Sharan, M, Abdulsalam, A, Chudasama, R, Dutta, D, Jha, V, Kumar, V, Mohanty, A K, Pant, L M, Shukla, P, Topkar, A, Aziz, T, Banerjee, S, Bhowmik, S, Chatterjee, R M, Dewanjee, R K, Dugad, S, Ganguly, S, Ghosh, S, Guchait, M, Gurtu, A, Kole, G, Kumar, S, Mahakud, B, Maity, M, Majumder, G, Mazumdar, K, Mitra, S, Mohanty, G B, Parida, B, Sarkar, T, Sur, N, Sutar, B, Wickramage, N, Chauhan, S, Dube, S, Kapoor, A, Kothekar, K, Sharma, S, Bakhshiansohi, H, Behnamian, H, Etesami, S M, Fahim, A, Goldouzian, R, Khakzad, M, Mohammadi Najafabadi, M, Naseri, M, Paktinat Mehdiabadi, S, Rezaei Hosseinabadi, F, Safarzadeh, B, Zeinali, M, Felcini, M, Grunewald, M, Abbrescia, M, Calabria, C, Caputo, C, Colaleo, A, Creanza, D, Cristella, L, De Filippis, N, De Palma, M, Fiore, L, Iaselli, G, Maggi, G, Miniello, G, Maggi, M, My, S, Nuzzo, S, Pompili, A, Pugliese, G, Radogna, R, Ranieri, A, Selvaggi, G, Silvestris, L, Venditti, R, Verwilligen, P, Abbiendi, G, Battilana, C, Benvenuti, A C, Bonacorsi, D, Braibant-Giacomelli, S, Brigliadori, L, Campanini, R, Capiluppi, P, Castro, A, Cavallo, F R, Chhibra, S S, Codispoti, G, Cuffiani, M, Dallavalle, G M, Fabbri, F, Fanfani, A, Fasanella, D, Giacomelli, P, Grandi, C, Guiducci, L, Marcellini, S, Masetti, G, Montanari, A, Navarria, F L, Perrotta, A, Rossi, A M, Primavera, F, Rovelli, T, Siroli, G P, Tosi, N, Travaglini, R, Cappello, G, Chiorboli, M, Costa, S, Mattia, A Di, Giordano, F, Potenza, R, Tricomi, A, Tuve, C, Barbagli, G, Ciulli, V, Civinini, C, D'Alessandro, R, Focardi, E, Gonzi, S, 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Bourilkov, D, Carnes, A, Carver, M, Curry, D, Das, S, Field, R D, Furic, I K, Gleyzer, S V, Hugon, J, Konigsberg, J, Korytov, A, Kotov, K, Low, J F, Ma, P, Matchev, K, Mei, H, Milenovic, P, Mitselmakher, G, Rank, D, Rossin, R, Shchutska, L, Snowball, M, Sperka, D, Terentyev, N, Thomas, L, Wang, J, Wang, S, Yelton, J, Hewamanage, S, Linn, S, Markowitz, P, Martinez, G, Rodriguez, J L, Adams, J R, Ackert, A, Adams, T, Askew, A, Bein, S, Bochenek, J, Diamond, B, Haas, J, Hagopian, S, Hagopian, V, Johnson, K F, Khatiwada, A, Prosper, H, Weinberg, M, Baarmand, M M, Bhopatkar, V, Colafranceschi, S, Hohlmann, M, Kalakhety, H, Noonan, D, Roy, T, Yumiceva, F, Adams, M R, Apanasevich, L, Berry, D, Betts, R R, Bucinskaite, I, Cavanaugh, R, Evdokimov, O, Gauthier, L, Gerber, C E, Hofman, D J, Kurt, P, O'Brien, C, Sandoval Gonzalez, L D, Silkworth, C, Turner, P, Varelas, N, Wu, Z, Zakaria, M, Bilki, B, Clarida, W, Dilsiz, K, Durgut, S, Gandrajula, R P, Haytmyradov, M, Khristenko, V, Merlo, J-P, Mermerkaya, H, Mestvirishvili, A, Moeller, A, Nachtman, J, Ogul, H, Onel, Y, Ozok, F, Penzo, A, Snyder, C, Tiras, E, Wetzel, J, Yi, K, Anderson, I, Anderson, I, Barnett, B A, Blumenfeld, B, Eminizer, N, Fehling, D, Feng, L, Gritsan, A V, Maksimovic, P, Martin, C, Osherson, M, Roskes, J, Sady, A, Sarica, U, Swartz, M, Xiao, M, Xin, Y, You, C, Xiao, M, Baringer, P, Bean, A, Benelli, G, Bruner, C, Kenny, R P, Majumder, D, Majumder, D, Malek, M, Murray, M, Sanders, S, Stringer, R, Wang, Q, Ivanov, A, Kaadze, K, Khalil, S, Makouski, M, Maravin, Y, Mohammadi, A, Saini, L K, Skhirtladze, N, Toda, S, Lange, D, Rebassoo, F, Wright, D, Anelli, C, Baden, A, Baron, O, Belloni, A, Calvert, B, Eno, S C, Ferraioli, C, Gomez, J A, Hadley, N J, Jabeen, S, Jabeen, S, Kellogg, R G, Kolberg, T, Kunkle, J, Lu, Y, Mignerey, A C, Shin, Y H, Skuja, A, Tonjes, M B, Tonwar, S C, Apyan, A, Barbieri, R, Baty, A, Bierwagen, K, Brandt, S, Bierwagen, K, Busza, W, Cali, I A, Demiragli, Z, Di Matteo, L, Gomez Ceballos, G, Goncharov, M, Gulhan, D, Iiyama, Y, Innocenti, G M, Klute, M, Kovalskyi, D, Lai, Y S, Lee, Y-J, Levin, A, Luckey, P D, Marini, A C, Mcginn, C, Mironov, C, Narayanan, S, Niu, X, Paus, C, Ralph, D, Roland, C, Roland, G, Salfeld-Nebgen, J, Stephans, G S F, Sumorok, K, Varma, M, Velicanu, D, Veverka, J, Wang, J, Wang, T W, Wyslouch, B, Yang, M, Zhukova, V, Dahmes, B, Evans, A, Finkel, A, Gude, A, Hansen, P, Kalafut, S, Kao, S C, Klapoetke, K, Kubota, Y, Lesko, Z, Mans, J, Nourbakhsh, S, Ruckstuhl, N, Rusack, R, Tambe, N, Turkewitz, J, Acosta, J G, Oliveros, S, Avdeeva, E, Bloom, K, Bose, S, Claes, D R, Dominguez, A, Fangmeier, C, Gonzalez Suarez, R, Kamalieddin, R, Keller, J, Knowlton, D, Kravchenko, I, Meier, F, Monroy, J, Ratnikov, F, Siado, J E, Snow, G R, Alyari, M, Dolen, J, George, J, Godshalk, A, Harrington, C, Iashvili, I, Kaisen, J, Kharchilava, A, Kumar, A, Rappoccio, S, Roozbahani, B, Alverson, G, Barberis, E, Baumgartel, D, Chasco, M, Hortiangtham, A, Massironi, A, Morse, D M, Nash, D, Orimoto, T, Teixeira De Lima, R, Trocino, D, Wang, R-J, Wood, D, Zhang, J, Hahn, K A, Kubik, A, Mucia, N, Odell, N, Pollack, B, Pozdnyakov, A, Schmitt, M, Stoynev, S, Sung, K, Trovato, M, Velasco, M, Brinkerhoff, A, Dev, N, Hildreth, M, Jessop, C, Karmgard, D J, Kellams, N, Lannon, K, Marinelli, N, Meng, F, Mueller, C, Musienko, Y, Planer, M, Reinsvold, A, Ruchti, R, Smith, G, Taroni, S, Valls, N, Wayne, M, Wolf, M, Woodard, A, Antonelli, L, Brinson, J, Bylsma, B, Durkin, L S, Flowers, S, Hart, A, Hill, C, Hughes, R, Ji, W, Ling, T Y, Liu, B, Luo, W, Puigh, D, Rodenburg, M, Winer, B L, Wulsin, H W, Driga, O, Elmer, P, Hardenbrook, J, Hebda, P, Koay, S A, Lujan, P, Marlow, D, Medvedeva, T, Mooney, M, Olsen, J, Palmer, C, Piroué, P, Saka, H, Stickland, D, Tully, C, Zuranski, A, Malik, S, Barnes, V E, Benedetti, D, Bortoletto, D, Gutay, L, Jha, M K, Jones, M, Jung, K, Miller, D H, Neumeister, N, Primavera, F, Radburn-Smith, B C, Shi, X, Shipsey, I, Silvers, D, Sun, J, Svyatkovskiy, A, Wang, F, Xie, W, Xu, L, Parashar, N, Stupak, J, Adair, A, Akgun, B, Chen, Z, Ecklund, K M, Geurts, F J M, Guilbaud, M, Li, W, Michlin, B, Northup, M, Padley, B P, Redjimi, R, Roberts, J, Rorie, J, Tu, Z, Zabel, J, Betchart, B, Bodek, A, de Barbaro, P, Demina, R, Eshaq, Y, Ferbel, T, Galanti, M, Galanti, M, Garcia-Bellido, A, Han, J, Harel, A, Hindrichs, O, Hindrichs, O, Khukhunaishvili, A, Petrillo, G, Tan, P, Verzetti, M, Arora, S, Barker, A, Chou, J P, Contreras-Campana, C, Contreras-Campana, E, Ferencek, D, Gershtein, Y, Gray, R, Halkiadakis, E, Hidas, D, Hughes, E, Kaplan, S, Kunnawalkam Elayavalli, R, Lath, A, Nash, K, Panwalkar, S, Park, M, Salur, S, Schnetzer, S, Sheffield, D, Somalwar, S, Stone, R, Thomas, S, Thomassen, P, Walker, M, Foerster, M, Riley, G, Rose, K, Spanier, S, York, A, Bouhali, O, Castaneda Hernandez, A, Celik, A, Dalchenko, M, De Mattia, M, Delgado, A, Dildick, S, Dildick, S, Eusebi, R, Gilmore, J, Huang, T, Kamon, T, Krutelyov, V, Krutelyov, V, Mueller, R, Osipenkov, I, Pakhotin, Y, Patel, R, Patel, R, Perloff, A, Rose, A, Safonov, A, Tatarinov, A, Ulmer, K A, Akchurin, N, Cowden, C, Damgov, J, Dragoiu, C, Dudero, P R, Faulkner, J, Kunori, S, Lamichhane, K, Lee, S W, Libeiro, T, Undleeb, S, Volobouev, I, Appelt, E, Delannoy, A G, Greene, S, Gurrola, A, Janjam, R, Johns, W, Maguire, C, Mao, Y, Melo, A, Ni, H, Sheldon, P, Snook, B, Tuo, S, Velkovska, J, Xu, Q, Arenton, M W, Cox, B, Francis, B, Goodell, J, Hirosky, R, Ledovskoy, A, Li, H, Lin, C, Neu, C, Sinthuprasith, T, Sun, X, Wang, Y, Wolfe, E, Wood, J, Xia, F, Clarke, C, Harr, R, Karchin, P E, Kottachchi Kankanamge Don, C, Lamichhane, P, Sturdy, J, Belknap, D A, Carlsmith, D, Cepeda, M, Dasu, S, Dodd, L, Duric, S, Gomber, B, Grothe, M, Hall-Wilton, R, Herndon, M, Hervé, A, Klabbers, P, Lanaro, A, Levine, A, Long, K, Loveless, R, Mohapatra, A, Ojalvo, I, Perry, T, Pierro, G A, Polese, G, Ruggles, T, Sarangi, T, Savin, A, Sharma, A, Smith, N, Smith, W H, Taylor, D, Woods, N
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Abstract/Description: New sets of parameters ("tunes") for the underlying-event (UE) modelling of the pythia8, pythia6 and herwig++ Monte Carlo event generators are constructed using different parton distribution functions. Combined fits to CMS UE proton-proton ([Formula: see text]) data at [Formula: see text] and to UE proton-antiproton ([Formula: see text]) data from the CDF experiment at lower [Formula: see text], are used to study the UE models and constrain their parameters, providing thereby improved...
Show moreNew sets of parameters ("tunes") for the underlying-event (UE) modelling of the pythia8, pythia6 and herwig++ Monte Carlo event generators are constructed using different parton distribution functions. Combined fits to CMS UE proton-proton ([Formula: see text]) data at [Formula: see text] and to UE proton-antiproton ([Formula: see text]) data from the CDF experiment at lower [Formula: see text], are used to study the UE models and constrain their parameters, providing thereby improved predictions for proton-proton collisions at 13[Formula: see text]. In addition, it is investigated whether the values of the parameters obtained from fits to UE observables are consistent with the values determined from fitting observables sensitive to double-parton scattering processes. Finally, comparisons are presented of the UE tunes to "minimum bias" (MB) events, multijet, and Drell-Yan ([Formula: see text] lepton-antilepton+jets) observables at 7 and 8[Formula: see text], as well as predictions for MB and UE observables at 13[Formula: see text].
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Date Issued: 2016-01-01
Identifier: FSU_pmch_27471433, 10.1140/epjc/s10052-016-3988-x, PMC4946872, 27471433, 27471433, 3988
Format: Citation

Title: Heterogeneity in ADHD: Neurocognitive predictors of peer, family, and academic functioning..
Creator: Kofler, Michael J, Sarver, Dustin E, Spiegel, Jamie A, Day, Taylor N, Harmon, Sherelle L, Wells, Erica L
Abstract/Description: Childhood attention-deficit/hyperactivity disorder (ADHD) is associated with impairments in peer, family, and academic functioning. Although impairment is required for diagnosis, children with ADHD vary significantly in the areas in which they demonstrate clinically significant impairment. However, relatively little is known about the mechanisms and processes underlying these individual differences. The current study examined neurocognitive predictors of heterogeneity in peer, family, and...
Show moreChildhood attention-deficit/hyperactivity disorder (ADHD) is associated with impairments in peer, family, and academic functioning. Although impairment is required for diagnosis, children with ADHD vary significantly in the areas in which they demonstrate clinically significant impairment. However, relatively little is known about the mechanisms and processes underlying these individual differences. The current study examined neurocognitive predictors of heterogeneity in peer, family, and academic functioning in a well-defined sample of 44 children with ADHD aged 8-13 years (M = 10.31, SD = 1.42; 31 boys, 13 girls; 81% Caucasian). Reliable change analysis indicated that 98% of the sample demonstrated objectively-defined impairment on at least one assessed outcome measure; 65% were impaired in two or all three areas of functioning. ADHD children with quantifiable deficits in academic success and family functioning performed worse on tests of working memory (d = 0.68 to 1.09), whereas children with impaired parent-reported social functioning demonstrated slower processing speed (d = 0.53). Dimensional analyses identified additional predictors of peer, family, and academic functioning. Working memory abilities were associated with individual differences in all three functional domains, processing speed predicted social functioning, and inhibitory control predicted family functioning. These results add to a growing literature implicating neurocognitive abilities not only in explaining behavioral differences between ADHD and non-ADHD groups, but also in the substantial heterogeneity in ecologically-valid functional outcomes associated with the disorder.
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Date Issued: 2017-08-01
Identifier: FSU_pmch_27472007, 10.1080/09297049.2016.1205010, PMC6083022, 27472007, 27472007
Format: Citation

Title: Proteomic Upregulation of Fatty Acid Synthase and Fatty Acid Binding Protein 5 and Identification of Cancer- and Race-Specific Pathway Associations in Human Prostate Cancer Tissues.
Creator: Myers, Jennifer S, von Lersner, Ariana K, Sang, Qing-Xiang Amy
Abstract/Description: Protein profiling studies of prostate cancer have been widely used to characterize molecular differences between diseased and non-diseased tissues. When combined with pathway analysis, profiling approaches are able to identify molecular mechanisms of prostate cancer, group patients by cancer subtype, and predict prognosis. This strategy can also be implemented to study prostate cancer in very specific populations, such as African Americans who have higher rates of prostate cancer incidence...
Show moreProtein profiling studies of prostate cancer have been widely used to characterize molecular differences between diseased and non-diseased tissues. When combined with pathway analysis, profiling approaches are able to identify molecular mechanisms of prostate cancer, group patients by cancer subtype, and predict prognosis. This strategy can also be implemented to study prostate cancer in very specific populations, such as African Americans who have higher rates of prostate cancer incidence and mortality than other racial groups in the United States. In this study, age-, stage-, and Gleason score-matched prostate tumor specimen from African American and Caucasian American men, along with non-malignant adjacent prostate tissue from these same patients, were compared. Protein expression changes and altered pathway associations were identified in prostate cancer generally and in African American prostate cancer specifically. In comparing tumor to non-malignant samples, 45 proteins were significantly cancer-associated and 3 proteins were significantly downregulated in tumor samples. Notably, fatty acid synthase (FASN) and epidermal fatty acid-binding protein (FABP5) were upregulated in human prostate cancer tissues, consistent with their known functions in prostate cancer progression. Aldehyde dehydrogenase family 1 member A3 (ALDH1A3) was also upregulated in tumor samples. The Metastasis Associated Protein 3 (MTA3) pathway was significantly enriched in tumor samples compared to non-malignant samples. While the current experiment was unable to detect statistically significant differences in protein expression between African American and Caucasian American samples, differences in overrepresentation and pathway enrichment were found. Structural components (Cytoskeletal Proteins and Extracellular Matrix Protein protein classes, and Biological Adhesion Gene Ontology (GO) annotation) were overrepresented in African American but not Caucasian American tumors. Additionally, 5 pathways were enriched in African American prostate tumors: the Small Cell Lung Cancer, Platelet-Amyloid Precursor Protein, Agrin, Neuroactive Ligand-Receptor Interaction, and Intrinsic pathways. The protein components of these pathways were either basement membrane proteins or coagulation proteins.
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Date Issued: 2016-07-05
Identifier: FSU_pmch_27471561, 10.7150/jca.15860, PMC4964129, 27471561, 27471561, jcav07p1452
Format: Citation

Title: Distress intolerance as a moderator of the relationship between daily stressors and affective symptoms: Tests of incremental and prospective relationships..
Creator: Macatee, Richard J, Albanese, Brian J, Allan, Nicholas P, Schmidt, Norman B, Cougle, Jesse R
Abstract/Description: Distress intolerance (DI) is conceptualized as an individual difference reflective of the ability to tolerate aversive psychological states. Although high DI has demonstrated cross-sectional associations with multiple forms of psychopathology, few studies have tested key facets of its theoretical conceptualization. Specifically, little research has been conducted on DI's theorized role as an incrementally valid prospective moderator of the relationship between daily stressful events and...
Show moreDistress intolerance (DI) is conceptualized as an individual difference reflective of the ability to tolerate aversive psychological states. Although high DI has demonstrated cross-sectional associations with multiple forms of psychopathology, few studies have tested key facets of its theoretical conceptualization. Specifically, little research has been conducted on DI's theorized role as an incrementally valid prospective moderator of the relationship between daily stressful events and affective symptoms reflective of preoccupation with aversive internal (e.g., depression, worry) rather than external stimuli (e.g., social anxiety). A non-clinical sample (N = 147; 77% female; M age = 19.32) in which high DI individuals were oversampled was recruited. Participants completed baseline measures of DI and trait negative affect followed by six diary entries over a two-week period in which participants reported on daily stressors, negative affect, worry, depressive, and social anxiety symptoms. Hierarchical linear models revealed that DI positively predicted depressive and worry, but not social anxiety symptoms, independent of daily stressors and negative affect. Further, a significant interaction effect was found such that the positive association between daily stressor(s) occurrence and daily worry was significant at high, but not low DI, and a similar trend-level interaction effect was observed for depressive symptoms. The interaction for social anxiety symptoms was non-significant LIMITATIONS: Utilization of a non-clinical sample precludes generalization of results to clinical samples. Only self-reported DI was assessed, limiting conclusions to perceived as opposed to behaviorally-indexed DI. Results largely supported DI's theoretical conceptualization as an incrementally valid moderator of stress responding with relevance to particular affective symptoms.
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Date Issued: 2016-12-01
Identifier: FSU_pmch_27472414, 10.1016/j.jad.2016.07.035, PMC5334116, 27472414, 27472414, S0165-0327(16)30636-X
Format: Citation

Title: Wavy membranes and the growth rate of a planar chemical garden: Enhanced diffusion and bioenergetics..
Creator: Ding, Yang, Batista, Bruno, Steinbock, Oliver, Cartwright, Julyan H E, Cardoso, Silvana S S
Abstract/Description: To model ion transport across protocell membranes in Hadean hydrothermal vents, we consider both theoretically and experimentally the planar growth of a precipitate membrane formed at the interface between two parallel fluid streams in a 2D microfluidic reactor. The growth rate of the precipitate is found to be proportional to the square root of time, which is characteristic of diffusive transport. However, the dependence of the growth rate on the concentrations of hydroxide and metal ions is...
Show moreTo model ion transport across protocell membranes in Hadean hydrothermal vents, we consider both theoretically and experimentally the planar growth of a precipitate membrane formed at the interface between two parallel fluid streams in a 2D microfluidic reactor. The growth rate of the precipitate is found to be proportional to the square root of time, which is characteristic of diffusive transport. However, the dependence of the growth rate on the concentrations of hydroxide and metal ions is approximately linear and quadratic, respectively. We show that such a difference in ionic transport dynamics arises from the enhanced transport of metal ions across a thin gel layer present at the surface of the precipitate. The fluctuations in transverse velocity in this wavy porous gel layer allow an enhanced transport of the cation, so that the effective diffusivity is about one order of magnitude higher than that expected from molecular diffusion alone. Our theoretical predictions are in excellent agreement with our laboratory measurements of the growth of a manganese hydroxide membrane in a microfluidic channel, and this enhanced transport is thought to have been needed to account for the bioenergetics of the first single-celled organisms.
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Date Issued: 2016-08-16
Identifier: FSU_pmch_27486248, 10.1073/pnas.1607828113, PMC4995959, 27486248, 27486248, 1607828113
Format: Citation

Title: Influence of Repressive Histone and DNA Methylation upon D4Z4 Transcription in Non-Myogenic Cells.
Creator: Das, Sunny, Chadwick, Brian P
Abstract/Description: We looked at a disease-associated macrosatellite array D4Z4 and focused on epigenetic factors influencing its chromatin state outside of the disease-context. We used the HCT116 cell line that contains the non-canonical polyadenylation (poly-A) signal required to stabilize somatic transcripts of the human double homeobox gene DUX4, encoded from D4Z4. In HCT116, D4Z4 is packaged into constitutive heterochromatin, characterized by DNA methylation and histone H3 tri-methylation at lysine 9 ...
Show moreWe looked at a disease-associated macrosatellite array D4Z4 and focused on epigenetic factors influencing its chromatin state outside of the disease-context. We used the HCT116 cell line that contains the non-canonical polyadenylation (poly-A) signal required to stabilize somatic transcripts of the human double homeobox gene DUX4, encoded from D4Z4. In HCT116, D4Z4 is packaged into constitutive heterochromatin, characterized by DNA methylation and histone H3 tri-methylation at lysine 9 (H3K9me3), resulting in low basal levels of D4Z4-derived transcripts. However, a double knockout (DKO) of DNA methyltransferase genes, DNMT1 and DNMT3B, but not either alone, results in significant loss of DNA and H3K9 methylation. This is coupled with upregulation of transcript levels from the array, including DUX4 isoforms (DUX4-fl) that are abnormally expressed in somatic muscle in the disease Facioscapulohumeral muscular dystrophy (FSHD) along with DUX4 protein, as indicated indirectly by upregulation of bondafide targets of DUX4 in DKO but not HCT116 cells. Results from treatment with a chemical inhibitor of histone methylation in HCT116 suggest that in the absence of DNA hypomethylation, H3K9me3 loss alone is sufficient to facilitate DUX4-fl transcription. Additionally, characterization of a cell line from a patient with Immunodeficiency, Centromeric instability and Facial anomalies syndrome 1 (ICF1) possessing a non-canonical poly-A signal and DNA hypomethylation at D4Z4 showed DUX4 target gene upregulation in the patient when compared to controls in spite of retention of H3K9me3. Taken together, these data suggest that both DNA methylation and H3K9me3 are determinants of D4Z4 silencing. Moreover, we show that in addition to testis, there is appreciable expression of spliced and polyadenylated D4Z4 derived transcripts that contain the complete DUX4 open reading frame (ORF) along with DUX4 target gene expression in the thymus, suggesting that DUX4 may provide normal function in this somatic tissue.
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Date Issued: 2016-07-28
Identifier: FSU_pmch_27467759, 10.1371/journal.pone.0160022, PMC4965136, 27467759, 27467759, PONE-D-15-54558
Format: Citation

Title: An investigation of the association of genetic susceptibility risk with somatic mutation burden in breast cancer.
Creator: Zhu, Bin, Mukherjee, Anwesha, Machiela, Mitchell J, Song, Lei, Hua, Xing, Shi, Jianxin, Garcia-Closas, Montserrat, Chanock, Stephen J, Chatterjee, Nilanjan
Abstract/Description: Genome-wide association studies have reported nearly 100 common germline susceptibility loci associated with the risk for breast cancer. Tumour sequencing studies have characterised somatic mutation profiles in breast cancer patients. The relationship between breast cancer susceptibility loci and somatic mutation patterns in breast cancer remains largely unexplored. We used single-nucleotide polymorphism (SNP) genotyping array data and tumour exome sequencing data available from 638 breast...
Show moreGenome-wide association studies have reported nearly 100 common germline susceptibility loci associated with the risk for breast cancer. Tumour sequencing studies have characterised somatic mutation profiles in breast cancer patients. The relationship between breast cancer susceptibility loci and somatic mutation patterns in breast cancer remains largely unexplored. We used single-nucleotide polymorphism (SNP) genotyping array data and tumour exome sequencing data available from 638 breast cancer patients of European ancestry from The Cancer Genome Atlas (TCGA) project. We analysed both genotype data and, when necessary, imputed genotypes for 90 known breast cancer susceptibility loci. We performed linear regression models to investigate possible associations between germline risk variants with total somatic mutation count (TSMC), as well as specific mutation types. We examined individual SNP genotypes, as well as a multi-SNP polygenic risk score (PRS). Models were statistically adjusted for age at diagnosis, stage, oestrogen-receptor (ER) and progesterone-receptor (PR) status of breast cancer. We also performed stratified analyses by ER and PR status. We observed a significant inverse association (P=8.75 × 10(-6); FDR=0.001) between the risk allele in rs2588809 of the gene RAD51B and TSMC across all breast cancer patients, for both ER(+) and ER(-) tumours. This association was also evident for different types of mutations. The PRS analysis for all patients, with or without rs2588809, showed a significant inverse association (P=0.01 and 0.04, respectively) with TSMC. This inverse association was significant in ER(+) patients with the ER(+)-specific PRS (P=0.02), but not among ER(-) patients for the ER(-)-specific PRS (P=0.39). We observed an inverse association between common germline risk variants and TSMC, which, if confirmed, could provide new insights into how germline variation informs our understanding of somatic mutation patterns in breast cancer.
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Date Issued: 2016-09-06
Identifier: FSU_pmch_27467053, 10.1038/bjc.2016.223, PMC5023771, 27467053, 27467053, bjc2016223
Format: Citation

Title: Mississippi River Plume Enriches Microbial Diversity in the Northern Gulf of Mexico.
Creator: Mason, Olivia U, Canter, Erin J, Gillies, Lauren E, Paisie, Taylor K, Roberts, Brian J
Abstract/Description: The Mississippi River (MR) serves as the primary source of freshwater and nutrients to the northern Gulf of Mexico (nGOM). Whether this input of freshwater also enriches microbial diversity as the MR plume migrates and mixes with the nGOM serves as the central question addressed herein. Specifically, in this study physicochemical properties and planktonic microbial community composition and diversity was determined using iTag sequencing of 16S rRNA genes in 23 samples collected along a...
Show moreThe Mississippi River (MR) serves as the primary source of freshwater and nutrients to the northern Gulf of Mexico (nGOM). Whether this input of freshwater also enriches microbial diversity as the MR plume migrates and mixes with the nGOM serves as the central question addressed herein. Specifically, in this study physicochemical properties and planktonic microbial community composition and diversity was determined using iTag sequencing of 16S rRNA genes in 23 samples collected along a salinity (and nutrient) gradient from the mouth of the MR, in the MR plume, in the canyon, at the Deepwater Horizon wellhead and out to the loop current. Analysis of these datasets revealed that the MR influenced microbial diversity as far offshore as the Deepwater Horizon wellhead. The MR had the highest microbial diversity, which decreased with increasing salinity. MR bacterioplankton communities were distinct compared to the nGOM, particularly in the surface where Actinobacteria and Proteobacteria dominated, while the deeper MR was also enriched in Thaumarchaeota. Statistical analyses revealed that nutrients input by the MR, along with salinity and depth, were the primary drivers in structuring the microbial communities. These results suggested that the reduced salinity, nutrient enriched MR plume could act as a seed bank for microbial diversity as it mixes with the nGOM. Whether introduced microorganisms are active at higher salinities than freshwater would determine if this seed bank for microbial diversity is ecologically significant. Alternatively, microorganisms that are physiologically restricted to freshwater habitats that are entrained in the plume could be used as tracers for freshwater input to the marine environment.
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Date Issued: 2016-07-07
Identifier: FSU_pmch_27458442, 10.3389/fmicb.2016.01048, PMC4936242, 27458442, 27458442
Format: Citation

Title: Nearly massless Dirac fermions hosted by Sb square net in BaMnSb2.
Creator: Liu, Jinyu, Hu, Jin, Cao, Huibo, Zhu, Yanglin, Chuang, Alyssa, Graf, D, Adams, D J, Radmanesh, S M A, Spinu, L, Chiorescu, I, Mao, Zhiqiang
Abstract/Description: Layered compounds AMnBi2 (A = Ca, Sr, Ba, or rare earth element) have been established as Dirac materials. Dirac electrons generated by the two-dimensional (2D) Bi square net in these materials are normally massive due to the presence of a spin-orbital coupling (SOC) induced gap at Dirac nodes. Here we report that the Sb square net in an isostructural compound BaMnSb2 can host nearly massless Dirac fermions. We observed strong Shubnikov-de Haas (SdH) oscillations in this material. From the...
Show moreLayered compounds AMnBi2 (A = Ca, Sr, Ba, or rare earth element) have been established as Dirac materials. Dirac electrons generated by the two-dimensional (2D) Bi square net in these materials are normally massive due to the presence of a spin-orbital coupling (SOC) induced gap at Dirac nodes. Here we report that the Sb square net in an isostructural compound BaMnSb2 can host nearly massless Dirac fermions. We observed strong Shubnikov-de Haas (SdH) oscillations in this material. From the analyses of the SdH oscillations, we find key signatures of Dirac fermions, including light effective mass (~0.052m0; m0, mass of free electron), high quantum mobility (1280 cm(2)V(-1)S(-1)) and a π Berry phase accumulated along cyclotron orbit. Compared with AMnBi2, BaMnSb2 also exhibits much more significant quasi two-dimensional (2D) electronic structure, with the out-of-plane transport showing nonmetallic conduction below 120 K and the ratio of the out-of-plane and in-plane resistivity reaching ~670. Additionally, BaMnSb2 also exhibits a G-type antiferromagnetic order below 283 K. The combination of nearly massless Dirac fermions on quasi-2D planes with a magnetic order makes BaMnSb2 an intriguing platform for seeking novel exotic phenomena of massless Dirac electrons.
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Date Issued: 2016-07-28
Identifier: FSU_pmch_27466151, 10.1038/srep30525, PMC4964361, 27466151, 27466151, srep30525
Format: Citation

Title: Local Optima in Mixture Modeling.
Creator: Shireman, Emilie M, Steinley, Douglas, Brusco, Michael J
Abstract/Description: It is common knowledge that mixture models are prone to arrive at locally optimal solutions. Typically, researchers are directed to utilize several random initializations to ensure that the resulting solution is adequate. However, it is unknown what factors contribute to a large number of local optima and whether these coincide with the factors that reduce the accuracy of a mixture model. A real-data illustration and a series of simulations are presented that examine the effect of a variety...
Show moreIt is common knowledge that mixture models are prone to arrive at locally optimal solutions. Typically, researchers are directed to utilize several random initializations to ensure that the resulting solution is adequate. However, it is unknown what factors contribute to a large number of local optima and whether these coincide with the factors that reduce the accuracy of a mixture model. A real-data illustration and a series of simulations are presented that examine the effect of a variety of data structures on the propensity of local optima and the classification quality of the resulting solution. We show that there is a moderately strong relationship between a solution that has a high proportion of local optima and one that is poorly classified.
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Date Issued: 2016-07-01
Identifier: FSU_pmch_27494191, 10.1080/00273171.2016.1160359, PMC5534344, 27494191, 27494191
Format: Citation

Title: Does Exercise Improve Cognitive Performance? A Conservative Message from Lord's Paradox.
Creator: Liu, Sicong, Lebeau, Jean-Charles, Tenenbaum, Gershon
Abstract/Description: Although extant meta-analyses support the notion that exercise results in cognitive performance enhancement, methodology shortcomings are noted among primary evidence. The present study examined relevant randomized controlled trials (RCTs) published in the past 20 years (1996-2015) for methodological concerns arise from Lord's paradox. Our analysis revealed that RCTs supporting the positive effect of exercise on cognition are likely to include Type I Error(s). This result can be attributed to...
Show moreAlthough extant meta-analyses support the notion that exercise results in cognitive performance enhancement, methodology shortcomings are noted among primary evidence. The present study examined relevant randomized controlled trials (RCTs) published in the past 20 years (1996-2015) for methodological concerns arise from Lord's paradox. Our analysis revealed that RCTs supporting the positive effect of exercise on cognition are likely to include Type I Error(s). This result can be attributed to the use of gain score analysis on pretest-posttest data as well as the presence of control group superiority over the exercise group on baseline cognitive measures. To improve accuracy of causal inferences in this area, analysis of covariance on pretest-posttest data is recommended under the assumption of group equivalence. Important experimental procedures are discussed to maintain group equivalence.
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Date Issued: 2016-07-21
Identifier: FSU_pmch_27493637, 10.3389/fpsyg.2016.01092, PMC4954852, 27493637, 27493637
Format: Citation

Title: Temperature Influences Chorda Tympani Nerve Responses to Sweet, Salty, Sour, Umami, and Bitter Stimuli in Mice.
Creator: Lu, Bo, Breza, Joseph M, Contreras, Robert J
Abstract/Description: Temperature profoundly affects the perceived intensity of taste, yet we know little of the extent of temperature's effect on taste in the peripheral nervous system. Accordingly, we investigated the influence of temperature from 23 °C to 43 °C in 4 °C intervals on the integrated responses of the chorda tympani (CT) nerve to a large series of chemical stimuli representing sweet, salty, sour, bitter, and umami tastes in C57BL/J6 mice. We also measured neural responses to NaCl, Na-gluconate, Na...
Show moreTemperature profoundly affects the perceived intensity of taste, yet we know little of the extent of temperature's effect on taste in the peripheral nervous system. Accordingly, we investigated the influence of temperature from 23 °C to 43 °C in 4 °C intervals on the integrated responses of the chorda tympani (CT) nerve to a large series of chemical stimuli representing sweet, salty, sour, bitter, and umami tastes in C57BL/J6 mice. We also measured neural responses to NaCl, Na-gluconate, Na-acetate, Na-sulfate, and MSG with and without 5 µM benzamil, an epithelial sodium channel (ENaC) antagonist, to assess the influence of temperature on ENaC-dependent and ENaC-independent response components. Our results showed that for most stimuli (0.5M sucrose, glucose, fructose, and maltose; 0.02M saccharin and sucralose; 0.5M NaCl, Na-gluconate, Na-acetate, Na-sulfate, KCl, K-gluconate, K-acetate, and K-sulfate; 0.05M citric acid, acetic acid, and HCl; 0.1M MSG and 0.05M quinine hydrochloride: QHCl), CT response magnitudes were maximal between 35 °C and 39 °C and progressively smaller at cooler or warmer temperatures. In contrast, the weakest responses to NHCl, (NH)SO4, and K-sulfate were at the lowest temperature, with response magnitude increasing monotonically with increasing temperature, while the largest responses to acetic acid were at the lowest temperature, with response magnitude decreasing with increasing temperature. The response to sweet and umami stimuli across temperatures were similar reflecting the involvement of TRPM5 activity, in contrast to bitter stimuli, which were weakly affected by temperature. Temperature-modulated responses to salts and acids most likely operate through mechanisms independent of ENaC and TRPM5.
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Date Issued: 2016-08-06
Identifier: FSU_pmch_27497433, 10.1093/chemse/bjw082, PMC5070488, 27497433, 27497433, bjw082
Format: Citation

Title: Emergency total proctocolectomy in an uninsured patient with Familial Adenomatous Polyposis Syndrome and acute lower gastrointestinal hemorrhage in a community hospital: A case report..
Creator: Oviedo, Rodolfo J, Dixon, Bruce M, Sofiak, Chase W
Abstract/Description: Rectal bleeding is the most common symptom of Familial Adenomatous Polyposis (FAP). This case investigates the efficacy of emergency surgery for FAP with total proctocolectomy end ileostomy for recurrent lower gastrointestinal (GI) hemorrhage in an uninsured patient in a 266-bed community hospital. The optimal treatment for FAP with acute lower GI hemorrhage and hemodynamic compromise unresponsive to conservative management is unclear. A 41-year-old uninsured African American man with no past...
Show moreRectal bleeding is the most common symptom of Familial Adenomatous Polyposis (FAP). This case investigates the efficacy of emergency surgery for FAP with total proctocolectomy end ileostomy for recurrent lower gastrointestinal (GI) hemorrhage in an uninsured patient in a 266-bed community hospital. The optimal treatment for FAP with acute lower GI hemorrhage and hemodynamic compromise unresponsive to conservative management is unclear. A 41-year-old uninsured African American man with no past medical or family history presented to the emergency department with hematochezia lasting three days. A clinical diagnosis of FAP made on colonoscopy with biopsies revealed villous and tubulovillous adenomas without dysplasia. After blood products resuscitation, an emergency total proctocolectomy with end ileostomy was performed. A staged ileal J pouch to anal anastomosis and creation of protective loop ileostomy was performed months later after securing state funding. A final loop ileostomy reversal occurred six weeks later. His self reported quality of life is improved. Lower GI hemorrhage from FAP unresponsive to blood products may require emergency total proctocolectomy and end ileostomy with a staged ileal J pouch to anal anastomosis, which can be done in a community acute care hospital for an uninsured patient. A total proctocolectomy is feasible in the emergency setting in an uninsured patient with lower GI bleeding and FAP. A staged ileal J pouch-anal anastomosis is easier to justify to the hospital compared to a staged completion colectomy with proctectomy. It is essential to monitor the ileo-anal anastomosis with anoscopy.
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Date Issued: 2016-01-01
Identifier: FSU_pmch_27497040, 10.1016/j.ijscr.2016.07.052, PMC4976607, 27497040, 27497040, S2210-2612(16)30290-5
Format: Citation

Title: Synthesis of "neoprofen", a rigidified analogue of ibuprofen, exemplifying synthetic methodology for altering the 3-D topology of pharmaceutical substances.
Creator: Ramsubhag, Ron R, Massaro, Chelsea L, Dadich, Christina M, Janeczek, Andrew J, Hoang, Tung T, Mazzio, Elizabeth A, Eyunni, Suresh, Soliman, Karam F A, Dudley, Gregory B
Abstract/Description: 3,3-Dimethylcyclopentanes (neopentylenes) are ubiquitous in Nature but largely absent from synthetic pharmaceutical libraries. Neopentylenes define a hydrophobic and rigid 3-D topology with distinct molecular pharmacology, as exemplified here with two neopentylene-fused analogues of the synthetic anti-inflammatory drug, ibuprofen.
Date Issued: 2016-08-16
Identifier: FSU_pmch_27492587, 10.1039/c6ob01351a, PMC5008855, 27492587, 27492587
Format: Citation

Title: Influence of grain boundary characteristics on thermal stability in nanotwinned copper.
Creator: Niu, Rongmei, Han, Ke, Su, Yi-Feng, Besara, Tiglet, Siegrist, Theo M, Zuo, Xiaowei
Abstract/Description: High density grain boundaries provide high strength, but may introduce undesirable features, such as high Fermi levels and instability. We investigated the kinetics of recovery and recrystallization of Cu that was manufactured to include both nanotwins (NT) and high-angle columnar boundaries. We used the isothermal Johnson-Mehl-Avrami-Kolmogorov (JMAK) model to estimate activation energy values for recovery and recrystallization and compared those to values derived using the non-isothermal...
Show moreHigh density grain boundaries provide high strength, but may introduce undesirable features, such as high Fermi levels and instability. We investigated the kinetics of recovery and recrystallization of Cu that was manufactured to include both nanotwins (NT) and high-angle columnar boundaries. We used the isothermal Johnson-Mehl-Avrami-Kolmogorov (JMAK) model to estimate activation energy values for recovery and recrystallization and compared those to values derived using the non-isothermal Kissinger equation. The JMAK model hinges on an exponent that expresses the growth mechanism of a material. The exponent for this Cu was close to 0.5, indicating low-dimensional microstructure evolution, which is associated with anisotropic twin coarsening, heterogeneous recrystallization, and high stability. Since this Cu was of high purity, there was a negligible impurity-drag-effect on boundaries. The twin coarsening and heterogeneous recrystallization resulted from migration of high-angle columnar boundaries with their triple junctions in one direction, assisted by the presence of high concentration vacancies at boundaries. Analyses performed by electron energy loss spectroscopy of atomic columns at twin boundaries (TBs) and in the interior showed similar plasma peak shapes and L3 edge positions. This implies that values for conductivity and Fermi level are equal for atoms at TBs and in the interior.
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Date Issued: 2016-08-12
Identifier: FSU_pmch_27514474, 10.1038/srep31410, PMC4981844, 27514474, 27514474, srep31410
Format: Citation

Title: Generalized Ensemble Sampling of Enzyme Reaction Free Energy Pathways.
Creator: Wu, D, Fajer, M I, Cao, L, Cheng, X, Yang, W
Abstract/Description: Free energy path sampling plays an essential role in computational understanding of chemical reactions, particularly those occurring in enzymatic environments. Among a variety of molecular dynamics simulation approaches, the generalized ensemble sampling strategy is uniquely attractive for the fact that it not only can enhance the sampling of rare chemical events but also can naturally ensure consistent exploration of environmental degrees of freedom. In this review, we plan to provide a...
Show moreFree energy path sampling plays an essential role in computational understanding of chemical reactions, particularly those occurring in enzymatic environments. Among a variety of molecular dynamics simulation approaches, the generalized ensemble sampling strategy is uniquely attractive for the fact that it not only can enhance the sampling of rare chemical events but also can naturally ensure consistent exploration of environmental degrees of freedom. In this review, we plan to provide a tutorial-like tour on an emerging topic: generalized ensemble sampling of enzyme reaction free energy path. The discussion is largely focused on our own studies, particularly ones based on the metadynamics free energy sampling method and the on-the-path random walk path sampling method. We hope that this minipresentation will provide interested practitioners some meaningful guidance for future algorithm formulation and application study.
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Date Issued: 2016-01-01
Identifier: FSU_pmch_27498634, 10.1016/bs.mie.2016.05.012, PMC4978182, 27498634, 27498634, S0076-6879(16)30047-7
Format: Citation

Title: Prevalence and Factors Associated With Statin Use Among a Nationally Representative Sample of US Adults: National Health and Nutrition Examination Survey, 2011-2012..
Creator: Adedinsewo, Demilade, Taka, Nchang, Agasthi, Pradyumna, Sachdeva, Rajesh, Rust, George, Onwuanyi, Anekwe
Abstract/Description: The 2013 American College of Cardiology/American Heart Association guidelines recommend statins for adults age ≤75 years who have clinical atherosclerotic cardiovascular disease (IA) and adults age 40 to 75 years with diabetes mellitus and LDL-C 70-189 mg/dl (IA). Our aim was to estimate the prevalence and likelihood of statin use among selected statin benefit groups. Using data from the National Health and Nutrition Examination Survey (NHANES) 2011-2012, we examined 5319 adults age ≥20 years...
Show moreThe 2013 American College of Cardiology/American Heart Association guidelines recommend statins for adults age ≤75 years who have clinical atherosclerotic cardiovascular disease (IA) and adults age 40 to 75 years with diabetes mellitus and LDL-C 70-189 mg/dl (IA). Our aim was to estimate the prevalence and likelihood of statin use among selected statin benefit groups. Using data from the National Health and Nutrition Examination Survey (NHANES) 2011-2012, we examined 5319 adults age ≥20 years. We estimated weighted frequencies and prevalence of statin use for adults with diabetes mellitus and dyslipidemia (or low-density lipoprotein cholesterol ≥70 mg/dL), defined as statin benefit group 1 (SBG1); and for adults with atherosclerotic cardiovascular disease, defined as statin benefit group 2 (SBG2). We constructed a logistic regression model to estimate odds of statin use in SBG1. Overall, an estimated 38.6 million Americans are on a statin. In adjusted models, uninsured and Hispanic adults were less likely to be on a statin compared with white adults; 59.5% (95% confidence interval [CI]: 53.0-66.1) of all adults in SBG1, 58.8% (95% CI: 51.5-66.1) of adults age 40 to 75 in SBG1, and 63.5% (95% CI: 55.6-71.4) of all adults in SBG2 were on a statin. Although the prevalence of statin use has increased over time, Hispanic ethnicity and lack of insurance remain barriers to statin use. Black-white racial disparities were not significant. Our study provides a baseline estimate of statin use in the noninstitutionalized population just prior to introduction of the new guidelines and provides a reference for evaluating the impact of the new guidelines on statin utilization.
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Date Issued: 2016-09-01
Identifier: FSU_pmch_27505443, 10.1002/clc.22577, PMC5030167, 27505443, 27505443
Format: Citation

Title: Psychometric analysis of the Systematic Observation of Red Flags for autism spectrum disorder in toddlers.
Creator: Dow, Deanna, Guthrie, Whitney, Stronach, Sheri T, Wetherby, Amy M
Abstract/Description: The purpose of this study was to examine the utility of the Systematic Observation of Red Flags as an observational level-two screening measure to detect risk for autism spectrum disorder in toddlers when used with a video-recorded administration of the Communication and Symbolic Behavior Scales. Psychometric properties of the Systematic Observation of Red Flags were examined in a sample of 247 toddlers of 16- to 24 months old: 130 with autism spectrum disorder, 61 with developmental delays,...
Show moreThe purpose of this study was to examine the utility of the Systematic Observation of Red Flags as an observational level-two screening measure to detect risk for autism spectrum disorder in toddlers when used with a video-recorded administration of the Communication and Symbolic Behavior Scales. Psychometric properties of the Systematic Observation of Red Flags were examined in a sample of 247 toddlers of 16- to 24 months old: 130 with autism spectrum disorder, 61 with developmental delays, and 56 typically developing. Individual items were examined for performance to create an algorithm with improved sensitivity and specificity, yielding a total Composite score and Domain scores for Social Communication and Restricted Repetitive Behaviors. Codes indicating clear symptom presence were collapsed to yield a count of the number of Red Flags for the overall scale and each symptom domain. Results indicated significant group differences with large effects for the Composite, both Domain scores, and Red Flags score, and good discrimination (area under the curve = 0.84-0.87) between autism spectrum disorder and nonspectrum groups for the Composite, Social Communication Domain, and Social Communication Red Flags score. The Systematic Observation of Red Flags provides an observational screening measure for 16- to 24-month-olds with good discrimination, sensitivity, and specificity. A cutoff of 20 on the Composite is recommended to optimally detect autism spectrum disorder risk.
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Date Issued: 2017-04-01
Identifier: FSU_pmch_27132013, 10.1177/1362361316636760, PMC5734914, 27132013, 27132013, 1362361316636760
Format: Citation

Title: Interplay of dysphoria and anxiety sensitivity in relation to emotion regulatory cognitions of smoking among treatment-seeking smokers.
Creator: Garey, Lorra, Bakhshaie, Jafar, Brandt, Charles P, Langdon, Kirsten J, Kauffman, Brooke Y, Schmidt, Norman B, Leventhal, Adam M, Zvolensky, Michael J
Abstract/Description: There is evidence that anxiety sensitivity (AS) plays a role in the maintenance of smoking, yet there is little understanding of how AS interplays with other affective symptomatology variables that are also related to smoking, such as dysphoria. Therefore, the current cross-sectional study evaluated the interactive effects of AS and dysphoria on emotion regulatory cognitions, including smoking negative affect reduction expectancies, perceived barriers for cessation, and smoking-specific...
Show moreThere is evidence that anxiety sensitivity (AS) plays a role in the maintenance of smoking, yet there is little understanding of how AS interplays with other affective symptomatology variables that are also related to smoking, such as dysphoria. Therefore, the current cross-sectional study evaluated the interactive effects of AS and dysphoria on emotion regulatory cognitions, including smoking negative affect reduction expectancies, perceived barriers for cessation, and smoking-specific experiential avoidance. A total of 448 adult treatment-seeking daily smokers, who responded to study advertisements, were recruited to participate in a smoking cessation treatment trial (47.8% female; Mage = 37.2, SD = 13.5). The current study utilized self-report baseline data from trial participants. After accounting for covariates, simple slope analyses revealed that AS was positively related to negative affect reduction expectancies (β = .03, p = .01), perceived barriers to cessation (β = .22, p = .002), and smoking avoidance and inflexibility (β = .07, p = .04), among smokers with lower (vs. higher) levels of dysphoria. The current findings suggest that higher levels of dysphoria may mitigate the relation between AS and emotion regulatory cognitions of smoking. The current findings highlight the unique and additive clinical relevance of AS and dysphoria regarding emotion regulatory smoking cognitions that may impede quit success. (Am J Addict 2016;25:267-274).
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Date Issued: 2016-06-01
Identifier: FSU_pmch_27122303, 10.1111/ajad.12379, PMC5531598, 27122303, 27122303
Format: Citation

Title: Patient Opinions About Screening for Suicide Risk in the Adult Medical Inpatient Unit.
Creator: Snyder, Deborah J, Ballard, Elizabeth D, Stanley, Ian H, Ludi, Erica, Kohn-Godbout, Julie, Pao, Maryland, Horowitz, Lisa M
Abstract/Description: As hospital clinicians and administrators consider implementing suicide risk screening on medical inpatient units, patient reactions to screening can provide essential input. This post hoc analysis examined patient opinions about screening for suicide risk in the medical setting. This analysis includes a subsample of a larger quality improvement project designed to screen medically hospitalized patients for suicide risk. Fifty-three adult medical inpatients at a clinical research hospital...
Show moreAs hospital clinicians and administrators consider implementing suicide risk screening on medical inpatient units, patient reactions to screening can provide essential input. This post hoc analysis examined patient opinions about screening for suicide risk in the medical setting. This analysis includes a subsample of a larger quality improvement project designed to screen medically hospitalized patients for suicide risk. Fifty-three adult medical inpatients at a clinical research hospital provided opinions about suicide risk screening. A qualitative analysis of responses to an opinion question about screening was conducted to identify major themes. Forty-three (81%) patients supported screening medical inpatients for suicide risk. Common themes emphasized asking patients directly about suicide, connection between mental/physical health, and the role of screening in suicide prevention. Adult medical inpatients supported screening for suicide risk on medical/surgical inpatient units. Behavioral health clinicians are uniquely poised to champion suicide detection and intervention in the general medical hospital setting. Patient opinions can be utilized to inform thoughtful implementation of universal suicide risk screening in the medical setting.
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Date Issued: 2017-07-01
Identifier: FSU_pmch_27072154, 10.1007/s11414-016-9498-7, PMC5199619, 27072154, 27072154, 10.1007/s11414-016-9498-7
Format: Citation

Title: Developing Asthma-Friendly Childcare Centers with Online Training and Evaluation.
Creator: Nowakowski, Alexandra Catherine Hayes, Carretta, Henry Joseph, Pineda, Nicole, Dudley, Julie Kurlfink, Forrest, Jamie R
Abstract/Description: In 2011, the Florida Asthma Coalition (FAC) began offering its Asthma-Friendly Childcare Center (AFCC) training online. This course teaches childcare center employees the fundamentals of effective asthma management. It covers basic asthma physiology, ways to recognize asthma attacks, techniques to help children experiencing attacks, and strategies to create healthy environments for asthmatics. A team of health services researchers evaluated both years of the online training. Evaluators used a...
Show moreIn 2011, the Florida Asthma Coalition (FAC) began offering its Asthma-Friendly Childcare Center (AFCC) training online. This course teaches childcare center employees the fundamentals of effective asthma management. It covers basic asthma physiology, ways to recognize asthma attacks, techniques to help children experiencing attacks, and strategies to create healthy environments for asthmatics. A team of health services researchers evaluated both years of the online training. Evaluators used a quasi-experimental design with pretest, posttest, and follow-up assessment. Questions measured knowledge gain and retention, user satisfaction, and implementation of management strategies. Over 650 people from nearly all 67 Florida counties took AFCC training online between 2011 and 2013. Test scores improved by a minimum of 11% points in all program years evaluated. Gains in both knowledge and confidence were substantial and highly significant across years. While individual trainees did forget some content on follow-up, they seemed to retain the specific messages most relevant for their own workplaces. Most trainees also planned to implement multiple management strategies recommended by the training. A large majority of participants rated the training as excellent on all quality metrics, including relevance of content and time efficiency of the online format. Nearly all respondents perceived the training as useful for both providing improved care and fulfilling licensure or certification requirements. Many participants also indicated that their centers would pursue formal certification as AFCCs via the program offered by FAC. The online AFCC course performed strongly in its first years, yielding both high participant satisfaction and substantial improvement in workplace asthma management activity. This training holds promise for introducing and improving multidimensional asthma management strategies at childcare facilities nationwide.
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Date Issued: 2016-03-16
Identifier: FSU_pmch_27014676, 10.3389/fpubh.2016.00039, PMC4792866, 27014676, 27014676
Format: Citation

Title: Characterizing Positive and Negative Emotional Experiences in Young Adults With Borderline Personality Disorder Symptoms.
Creator: Chu, Carol, Victor, Sarah E, Klonsky, E David
Abstract/Description: Some researchers suggest that borderline personality disorder (BPD) is characterized by elevated negative emotion; others argue that BPD involves both reduced positive and increased negative emotion. This study characterizes the emotional experiences of individuals with BPD symptoms in a combined university and community sample. Participants (N = 150) completed a clinical interview assessing BPD symptoms and self-report measures of positive and negative emotion. A subset (n = 106) completed a...
Show moreSome researchers suggest that borderline personality disorder (BPD) is characterized by elevated negative emotion; others argue that BPD involves both reduced positive and increased negative emotion. This study characterizes the emotional experiences of individuals with BPD symptoms in a combined university and community sample. Participants (N = 150) completed a clinical interview assessing BPD symptoms and self-report measures of positive and negative emotion. A subset (n = 106) completed a measure of emotion daily for 2 weeks. Pearson's correlations and multilevel modeling were used to examine the cross-sectional and longitudinal relationships between BPD symptoms and emotions. BPD symptoms were robustly related to increased negative emotion; this relationship remained after accounting for positive emotion. BPD symptoms were weakly related to decreased positive emotion; this relationship was no longer significant after accounting for negative emotion. BPD symptoms predicted higher levels of negative and not positive emotion over 14 days. These patterns held for subscales assessing intensity, frequency, and duration of negative and positive emotions. Findings suggest that individuals with BPD features are chiefly distinguished by elevated negative emotional experience.
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Date Issued: 2016-09-01
Identifier: FSU_pmch_27018783, 10.1002/jclp.22299, PMC5014710, 27018783, 27018783
Format: Citation

Title: Autonomic Nervous System Responses During Perception of Masked Speech may Reflect Constructs other than Subjective Listening Effort.
Creator: Francis, Alexander L, MacPherson, Megan K, Chandrasekaran, Bharath, Alvar, Ann M
Abstract/Description: Typically, understanding speech seems effortless and automatic. However, a variety of factors may, independently or interactively, make listening more effortful. Physiological measures may help to distinguish between the application of different cognitive mechanisms whose operation is perceived as effortful. In the present study, physiological and behavioral measures associated with task demand were collected along with behavioral measures of performance while participants listened to and...
Show moreTypically, understanding speech seems effortless and automatic. However, a variety of factors may, independently or interactively, make listening more effortful. Physiological measures may help to distinguish between the application of different cognitive mechanisms whose operation is perceived as effortful. In the present study, physiological and behavioral measures associated with task demand were collected along with behavioral measures of performance while participants listened to and repeated sentences. The goal was to measure psychophysiological reactivity associated with three degraded listening conditions, each of which differed in terms of the source of the difficulty (distortion, energetic masking, and informational masking), and therefore were expected to engage different cognitive mechanisms. These conditions were chosen to be matched for overall performance (keywords correct), and were compared to listening to unmasked speech produced by a natural voice. The three degraded conditions were: (1) Unmasked speech produced by a computer speech synthesizer, (2) Speech produced by a natural voice and masked byspeech-shaped noise and (3) Speech produced by a natural voice and masked by two-talker babble. Masked conditions were both presented at a -8 dB signal to noise ratio (SNR), a level shown in previous research to result in comparable levels of performance for these stimuli and maskers. Performance was measured in terms of proportion of key words identified correctly, and task demand or effort was quantified subjectively by self-report. Measures of psychophysiological reactivity included electrodermal (skin conductance) response frequency and amplitude, blood pulse amplitude and pulse rate. Results suggest that the two masked conditions evoked stronger psychophysiological reactivity than did the two unmasked conditions even when behavioral measures of listening performance and listeners' subjective perception of task demand were comparable across the three degraded conditions.
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Date Issued: 2016-03-01
Identifier: FSU_pmch_26973564, 10.3389/fpsyg.2016.00263, PMC4772584, 26973564, 26973564
Format: Citation

Title: Role of cardiac troponin I carboxy terminal mobile domain and linker sequence in regulating cardiac contraction.
Creator: Meyer, Nancy L, Chase, P Bryant
Abstract/Description: Inhibition of striated muscle contraction at resting Ca(2+) depends on the C-terminal half of troponin I (TnI) in thin filaments. Much focus has been on a short inhibitory peptide (Ip) sequence within TnI, but structural studies and identification of disease-associated mutations broadened emphasis to include a larger mobile domain (Md) sequence at the C-terminus of TnI. For Md to function effectively in muscle relaxation, tight mechanical coupling to troponin's core-and thus tropomyosin-is...
Show moreInhibition of striated muscle contraction at resting Ca(2+) depends on the C-terminal half of troponin I (TnI) in thin filaments. Much focus has been on a short inhibitory peptide (Ip) sequence within TnI, but structural studies and identification of disease-associated mutations broadened emphasis to include a larger mobile domain (Md) sequence at the C-terminus of TnI. For Md to function effectively in muscle relaxation, tight mechanical coupling to troponin's core-and thus tropomyosin-is presumably needed. We generated recombinant, human cardiac troponins containing one of two TnI constructs: either an 8-amino acid linker between Md and the rest of troponin (cTnILink8), or an Md deletion (cTnI1-163). Motility assays revealed that Ca(2+)-sensitivity of reconstituted thin filament sliding was markedly increased with cTnILink8 (∼0.9 pCa unit leftward shift of speed-pCa relation compared to WT), and increased further when Md was missing entirely (∼1.4 pCa unit shift). Cardiac Tn's ability to turn off filament sliding at diastolic Ca(2+) was mostly (61%), but not completely eliminated with cTnI1-163. TnI's Md is required for full inhibition of unloaded filament sliding, although other portions of troponin-presumably including Ip-are also necessary. We also confirm that TnI's Md is not responsible for superactivation of actomyosin cycling by troponin.
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Date Issued: 2016-07-01
Identifier: FSU_pmch_26971468, 10.1016/j.abb.2016.03.010, PMC4899117, 26971468, 26971468, S0003-9861(16)30062-5
Format: Citation

Title: Low rates of nitrogen fixation in eastern tropical South Pacific surface waters.
Creator: Knapp, Angela N, Casciotti, Karen L, Berelson, William M, Prokopenko, Maria G, Capone, Douglas G
Abstract/Description: An extensive region of the Eastern Tropical South Pacific (ETSP) Ocean has surface waters that are nitrate-poor yet phosphate-rich. It has been proposed that this distribution of surface nutrients provides a geochemical niche favorable for N2fixation, the primary source of nitrogen to the ocean. Here, we present results from two cruises to the ETSP where rates of N2fixation and its contribution to export production were determined with a suite of geochemical and biological measurements....
Show moreAn extensive region of the Eastern Tropical South Pacific (ETSP) Ocean has surface waters that are nitrate-poor yet phosphate-rich. It has been proposed that this distribution of surface nutrients provides a geochemical niche favorable for N2fixation, the primary source of nitrogen to the ocean. Here, we present results from two cruises to the ETSP where rates of N2fixation and its contribution to export production were determined with a suite of geochemical and biological measurements. N2fixation was only detectable using nitrogen isotopic mass balances at two of six stations, and rates ranged from 0 to 23 µmol N m(-2)d(-1)based on sediment trap fluxes. Whereas the fractional importance of N2fixation did not change, the N2-fixation rates at these two stations were several-fold higher when scaled to other productivity metrics. Regardless of the choice of productivity metric these N2-fixation rates are low compared with other oligotrophic locations, and the nitrogen isotope budgets indicate that N2fixation supports no more than 20% of export production regionally. Although euphotic zone-integrated short-term N2-fixation rates were higher, up to 100 µmol N m(-2)d(-1), and detected N2fixation at all six stations, studies of nitrogenase gene abundance and expression from the same cruises align with the geochemical data and together indicate that N2fixation is a minor source of new nitrogen to surface waters of the ETSP. This finding is consistent with the hypothesis that, despite a relative abundance of phosphate, iron may limit N2fixation in the ETSP.
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Date Issued: 2016-04-19
Identifier: FSU_pmch_26976587, 10.1073/pnas.1515641113, PMC4843426, 26976587, 26976587, 1515641113
Format: Citation

Title: Utilization of Alcohol Treatment Among HIV-Positive Women with Hazardous Drinking.
Creator: Hu, Xingdi, Harman, Jeffrey, Winterstein, Almut G, Zhong, Yue, Wheeler, Amber L, Taylor, Tonya N, Plankey, Michael, Rubtsova, Anna, Cropsey, Karen, Cohen, Mardge H, Adimora,...
Show moreHu, Xingdi, Harman, Jeffrey, Winterstein, Almut G, Zhong, Yue, Wheeler, Amber L, Taylor, Tonya N, Plankey, Michael, Rubtsova, Anna, Cropsey, Karen, Cohen, Mardge H, Adimora, Adaora A, Milam, Joel, Adedimeji, Adebola, Cook, Robert L
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Abstract/Description: Hazardous alcohol consumption has been frequently reported among women with HIV infection and is associated with a variety of negative health consequences. Treatments to reduce alcohol use may bring in health benefits. However, little is known regarding the utilization of alcohol treatment services among HIV+ women with hazardous drinking. Using data from the Women's Interagency HIV Study (WIHS), this study assessed utilization of any alcohol treatment in the past 6 months and performed...
Show moreHazardous alcohol consumption has been frequently reported among women with HIV infection and is associated with a variety of negative health consequences. Treatments to reduce alcohol use may bring in health benefits. However, little is known regarding the utilization of alcohol treatment services among HIV+ women with hazardous drinking. Using data from the Women's Interagency HIV Study (WIHS), this study assessed utilization of any alcohol treatment in the past 6 months and performed multivariable logistic regression to determine correlates of receipt of any alcohol treatment. Among 474 HIV+ women reporting recent hazardous drinking, less than one in five (19%) reported recent utilization of any alcohol treatment. Alcoholics Anonymous (AA) was the most commonly reported (12.9%), followed by inpatient detoxification (9.9%) and outpatient alcohol treatment program (7.0%). Half (51%) receiving any alcohol treatment reported utilization of multiple treatments. Multivariable analyses found alcohol treatment was more often utilized by those who had social support (odds ratio [OR]=1.68, 95% confidence interval [CI]=1.00 to 2.83), fewer economic resources (income ≤$12,000 vs. >$12,000, OR=3.10, 95% CI=1.53 to 6.27), higher levels of drinking (16-35 drinks/week vs. 12-15 drinks/week, OR=3.02, 95% CI=1.47 to 6.21; 36+ drinks/week vs. 12-15 drinks/week, OR=4.41, 95% CI=2.03 to 9.59), and those who reported any illicit drug use (OR=2.77, 95% CI=1.44 to 5.34). More efforts are needed to enhance the utilization of alcohol treatment. Our findings highlight the unique profile of those who utilized alcohol treatment. Such information is vital to improve treatment delivery to address unmet need in this particular population.
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Date Issued: 2016-05-01
Identifier: FSU_pmch_26961420, 10.1016/j.jsat.2016.01.011, PMC4943324, 26961420, 26961420, S0740-5472(16)00043-X
Format: Citation

Title: Maternal residential exposure to agricultural pesticides and birth defects in a 2003 to 2005 North Carolina birth cohort.
Creator: Rappazzo, Kristen M, Warren, Joshua L, Meyer, Robert E, Herring, Amy H, Sanders, Alison P, Brownstein, Naomi C, Luben, Thomas J
Abstract/Description: Birth defects are responsible for a large proportion of disability and infant mortality. Exposure to a variety of pesticides have been linked to increased risk of birth defects. We conducted a case-control study to estimate the associations between a residence-based metric of agricultural pesticide exposure and birth defects. We linked singleton live birth records for 2003 to 2005 from the North Carolina (NC) State Center for Health Statistics to data from the NC Birth Defects Monitoring...
Show moreBirth defects are responsible for a large proportion of disability and infant mortality. Exposure to a variety of pesticides have been linked to increased risk of birth defects. We conducted a case-control study to estimate the associations between a residence-based metric of agricultural pesticide exposure and birth defects. We linked singleton live birth records for 2003 to 2005 from the North Carolina (NC) State Center for Health Statistics to data from the NC Birth Defects Monitoring Program. Included women had residence at delivery inside NC and infants with gestational ages from 20 to 44 weeks (n = 304,906). Pesticide exposure was assigned using a previously constructed metric, estimating total chemical exposure (pounds of active ingredient) based on crops within 500 meters of maternal residence, specific dates of pregnancy, and chemical application dates based on the planting/harvesting dates of each crop. Logistic regression was used to estimate odds ratios (ORs) and 95% confidence intervals for four categories of exposure (<10(th) , 10-50(th) , 50-90(th) , and >90(th) percentiles) compared with unexposed. Models were adjusted for maternal race, age at delivery, education, marital status, and smoking status. We observed elevated ORs for congenital heart defects and certain structural defects affecting the gastrointestinal, genitourinary and musculoskeletal systems (e.g., OR [95% confidence interval] [highest exposure vs. unexposed] for tracheal esophageal fistula/esophageal atresia = 1.98 [0.69, 5.66], and OR for atrial septal defects: 1.70 [1.34, 2.14]). Our results provide some evidence of associations between residential exposure to agricultural pesticides and several birth defects phenotypes. Birth Defects Research (Part A) 106:240-249, 2016. © 2016 Wiley Periodicals, Inc.
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Date Issued: 2016-04-01
Identifier: FSU_pmch_26970546, 10.1002/bdra.23479, PMC4833532, 26970546, 26970546
Format: Citation

Title: Status of underrepresented minority and female faculty at medical schools located within Historically Black Colleges and in Puerto Rico.
Creator: Mader, Emily M, Rodríguez, José E, Campbell, Kendall M, Smilnak, Timothy, Bazemore, Andrew W, Petterson, Stephen, Morley, Christopher P
Abstract/Description: To assess the impact of medical school location in Historically Black Colleges and Universities (HBCU) and Puerto Rico (PR) on the proportion of underrepresented minorities in medicine (URMM) and women hired in faculty and leadership positions at academic medical institutions. AAMC 2013 faculty roster data for allopathic medical schools were used to compare the racial/ethnic and gender composition of faculty and chair positions at medical schools located within HBCU and PR to that of other...
Show moreTo assess the impact of medical school location in Historically Black Colleges and Universities (HBCU) and Puerto Rico (PR) on the proportion of underrepresented minorities in medicine (URMM) and women hired in faculty and leadership positions at academic medical institutions. AAMC 2013 faculty roster data for allopathic medical schools were used to compare the racial/ethnic and gender composition of faculty and chair positions at medical schools located within HBCU and PR to that of other medical schools in the United States. Data were compared using independent sample t-tests. Women were more highly represented in HBCU faculty (mean HBCU 43.5% vs. non-HBCU 36.5%, p=0.024) and chair (mean HBCU 30.1% vs. non-HBCU 15.6%, p=0.005) positions and in PR chair positions (mean PR 38.23% vs. non-PR 15.38%, p=0.016) compared with other allopathic institutions. HBCU were associated with increased African American representation in faculty (mean HBCU 59.5% vs. non-HBCU 2.6%, p=0.011) and chair (mean HBCU 73.1% vs. non-HBCU 2.2%, p≤0.001) positions. PR designation was associated with increased faculty (mean PR 75.40% vs. non-PR 3.72%, p≤0.001) and chair (mean PR 75.00% vs. non-PR 3.54%, p≤0.001) positions filled by Latinos/Hispanics. Women and African Americans are better represented in faculty and leadership positions at HBCU, and women and Latino/Hispanics at PR medical schools, than they are at allopathic peer institutions.
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Date Issued: 2016-03-09
Identifier: FSU_pmch_26968254, 10.3402/meo.v21.29535, PMC4788771, 26968254, 26968254, 29535
Format: Citation

Title: Genetic variants associated with subjective well-being, depressive symptoms, and neuroticism identified through genome-wide analyses.
Creator: Okbay, Aysu, Baselmans, Bart M L, De Neve, Jan-Emmanuel, Turley, Patrick, Nivard, Michel G, Fontana, Mark Alan, Meddens, S Fleur W, Linnér, Richard Karlsson, Rietveld, Cornelius...
Show moreOkbay, Aysu, Baselmans, Bart M L, De Neve, Jan-Emmanuel, Turley, Patrick, Nivard, Michel G, Fontana, Mark Alan, Meddens, S Fleur W, Linnér, Richard Karlsson, Rietveld, Cornelius A, Derringer, Jaime, Gratten, Jacob, Lee, James J, Liu, Jimmy Z, de Vlaming, Ronald, Ahluwalia, Tarunveer S, Buchwald, Jadwiga, Cavadino, Alana, Frazier-Wood, Alexis C, Furlotte, Nicholas A, Garfield, Victoria, Geisel, Marie Henrike, Gonzalez, Juan R, Haitjema, Saskia, Karlsson, Robert, van der Laan, Sander W, Ladwig, Karl-Heinz, Lahti, Jari, van der Lee, Sven J, Lind, Penelope A, Liu, Tian, Matteson, Lindsay, Mihailov, Evelin, Miller, Michael B, Minica, Camelia C, Nolte, Ilja M, Mook-Kanamori, Dennis, van der Most, Peter J, Oldmeadow, Christopher, Qian, Yong, Raitakari, Olli, Rawal, Rajesh, Realo, Anu, Rueedi, Rico, Schmidt, Börge, Smith, Albert V, Stergiakouli, Evie, Tanaka, Toshiko, Taylor, Kent, Thorleifsson, Gudmar, Wedenoja, Juho, Wellmann, Juergen, Westra, Harm-Jan, Willems, Sara M, Zhao, Wei, Amin, Najaf, Bakshi, Andrew, Bergmann, Sven, Bjornsdottir, Gyda, Boyle, Patricia A, Cherney, Samantha, Cox, Simon R, Davies, Gail, Davis, Oliver S P, Ding, Jun, Direk, Nese, Eibich, Peter, Emeny, Rebecca T, Fatemifar, Ghazaleh, Faul, Jessica D, Ferrucci, Luigi, Forstner, Andreas J, Gieger, Christian, Gupta, Richa, Harris, Tamara B, Harris, Juliette M, Holliday, Elizabeth G, Hottenga, Jouke-Jan, De Jager, Philip L, Kaakinen, Marika A, Kajantie, Eero, Karhunen, Ville, Kolcic, Ivana, Kumari, Meena, Launer, Lenore J, Franke, Lude, Li-Gao, Ruifang, Liewald, David C, Koini, Marisa, Loukola, Anu, Marques-Vidal, Pedro, Montgomery, Grant W, Mosing, Miriam A, Paternoster, Lavinia, Pattie, Alison, Petrovic, Katja E, Pulkki-Råback, Laura, Quaye, Lydia, Räikkönen, Katri, Rudan, Igor, Scott, Rodney J, Smith, Jennifer A, Sutin, Angelina R, Trzaskowski, Maciej, Vinkhuyzen, Anna E, Yu, Lei, Zabaneh, Delilah, Attia, John R, Bennett, David A, Berger, Klaus, Bertram, Lars, Boomsma, Dorret I, Snieder, Harold, Chang, Shun-Chiao, Cucca, Francesco, Deary, Ian J, van Duijn, Cornelia M, Eriksson, Johan G, Bültmann, Ute, de Geus, Eco J C, Groenen, Patrick J F, Gudnason, Vilmundur, Hansen, Torben, Hartman, Catharine A, Haworth, Claire M A, Hayward, Caroline, Heath, Andrew C, Hinds, David A, Hyppönen, Elina, Iacono, William G, Järvelin, Marjo-Riitta, Jöckel, Karl-Heinz, Kaprio, Jaakko, Kardia, Sharon L R, Keltikangas-Järvinen, Liisa, Kraft, Peter, Kubzansky, Laura D, Lehtimäki, Terho, Magnusson, Patrik K E, Martin, Nicholas G, McGue, Matt, Metspalu, Andres, Mills, Melinda, de Mutsert, Renée, Oldehinkel, Albertine J, Pasterkamp, Gerard, Pedersen, Nancy L, Plomin, Robert, Polasek, Ozren, Power, Christine, Rich, Stephen S, Rosendaal, Frits R, den Ruijter, Hester M, Schlessinger, David, Schmidt, Helena, Svento, Rauli, Schmidt, Reinhold, Alizadeh, Behrooz Z, Sørensen, Thorkild I A, Spector, Tim D, Starr, John M, Stefansson, Kari, Steptoe, Andrew, Terracciano, Antonio, Thorsteinsdottir, Unnur, Thurik, A Roy, Timpson, Nicholas J, Tiemeier, Henning, Uitterlinden, André G, Vollenweider, Peter, Wagner, Gert G, Weir, David R, Yang, Jian, Conley, Dalton C, Smith, George Davey, Hofman, Albert, Johannesson, Magnus, Laibson, David I, Medland, Sarah E, Meyer, Michelle N, Pickrell, Joseph K, Esko, Tõnu, Krueger, Robert F, Beauchamp, Jonathan P, Koellinger, Philipp D, Benjamin, Daniel J, Bartels, Meike, Cesarini, David
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Abstract/Description: Very few genetic variants have been associated with depression and neuroticism, likely because of limitations on sample size in previous studies. Subjective well-being, a phenotype that is genetically correlated with both of these traits, has not yet been studied with genome-wide data. We conducted genome-wide association studies of three phenotypes: subjective well-being (n = 298,420), depressive symptoms (n = 161,460), and neuroticism (n = 170,911). We identify 3 variants associated with...
Show moreVery few genetic variants have been associated with depression and neuroticism, likely because of limitations on sample size in previous studies. Subjective well-being, a phenotype that is genetically correlated with both of these traits, has not yet been studied with genome-wide data. We conducted genome-wide association studies of three phenotypes: subjective well-being (n = 298,420), depressive symptoms (n = 161,460), and neuroticism (n = 170,911). We identify 3 variants associated with subjective well-being, 2 variants associated with depressive symptoms, and 11 variants associated with neuroticism, including 2 inversion polymorphisms. The two loci associated with depressive symptoms replicate in an independent depression sample. Joint analyses that exploit the high genetic correlations between the phenotypes (|ρ^| ≈ 0.8) strengthen the overall credibility of the findings and allow us to identify additional variants. Across our phenotypes, loci regulating expression in central nervous system and adrenal or pancreas tissues are strongly enriched for association.
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Date Issued: 2016-06-01
Identifier: FSU_pmch_27089181, 10.1038/ng.3552, PMC4884152, 27089181, 27089181, ng.3552
Format: Citation

Title: Coral-Associated Bacterial Diversity Is Conserved across Two Deep-Sea Anthothela Species.
Creator: Lawler, Stephanie N, Kellogg, Christina A, France, Scott C, Clostio, Rachel W, Brooke, Sandra D, Ross, Steve W
Abstract/Description: Cold-water corals, similar to tropical corals, contain diverse and complex microbial assemblages. These bacteria provide essential biological functions within coral holobionts, facilitating increased nutrient utilization and production of antimicrobial compounds. To date, few cold-water octocoral species have been analyzed to explore the diversity and abundance of their microbial associates. For this study, 23 samples of the family Anthothelidae were collected from Norfolk (n = 12) and...
Show moreCold-water corals, similar to tropical corals, contain diverse and complex microbial assemblages. These bacteria provide essential biological functions within coral holobionts, facilitating increased nutrient utilization and production of antimicrobial compounds. To date, few cold-water octocoral species have been analyzed to explore the diversity and abundance of their microbial associates. For this study, 23 samples of the family Anthothelidae were collected from Norfolk (n = 12) and Baltimore Canyons (n = 11) from the western Atlantic in August 2012 and May 2013. Genetic testing found that these samples comprised two Anthothela species (Anthothela grandiflora and Anthothela sp.) and Alcyonium grandiflorum. DNA was extracted and sequenced with primers targeting the V4-V5 variable region of the 16S rRNA gene using 454 pyrosequencing with GS FLX Titanium chemistry. Results demonstrated that the coral host was the primary driver of bacterial community composition. Al. grandiflorum, dominated by Alteromonadales and Pirellulales had much higher species richness, and a distinct bacterial community compared to Anthothela samples. Anthothela species (A. grandiflora and Anthothela sp.) had very similar bacterial communities, dominated by Oceanospirillales and Spirochaetes. Additional analysis of core-conserved bacteria at 90% sample coverage revealed genus level conservation across Anthothela samples. This core included unclassified Oceanospirillales, Kiloniellales, Campylobacterales, and genus Spirochaeta. Members of this core were previously recognized for their functional capabilities in nitrogen cycling and suggest the possibility of a nearly complete nitrogen cycle within Anthothela species. Overall, many of the bacterial associates identified in this study have the potential to contribute to the acquisition and cycling of nutrients within the coral holobiont.
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Date Issued: 2016-04-05
Identifier: FSU_pmch_27092120, 10.3389/fmicb.2016.00458, PMC4820459, 27092120, 27092120
Format: Citation

Title: Capturing the Interpersonal Implications of Evolved Preferences? Frequency of Sex Shapes Automatic, but Not Explicit, Partner Evaluations.
Creator: Hicks, Lindsey L, McNulty, James K, Meltzer, Andrea L, Olson, Michael A
Abstract/Description: A strong predisposition to engage in sexual intercourse likely evolved in humans because sex is crucial to reproduction. Given that meeting interpersonal preferences tends to promote positive relationship evaluations, sex within a relationship should be positively associated with relationship satisfaction. Nevertheless, prior research has been inconclusive in demonstrating such a link, with longitudinal and experimental studies showing no association between sexual frequency and relationship...
Show moreA strong predisposition to engage in sexual intercourse likely evolved in humans because sex is crucial to reproduction. Given that meeting interpersonal preferences tends to promote positive relationship evaluations, sex within a relationship should be positively associated with relationship satisfaction. Nevertheless, prior research has been inconclusive in demonstrating such a link, with longitudinal and experimental studies showing no association between sexual frequency and relationship satisfaction. Crucially, though, all prior research has utilized explicit reports of satisfaction, which reflect deliberative processes that may override the more automatic implications of phylogenetically older evolved preferences. Accordingly, capturing the implications of sexual frequency for relationship evaluations may require implicit measurements that bypass deliberative reasoning. Consistent with this idea, one cross-sectional and one 3-year study of newlywed couples revealed a positive association between sexual frequency and automatic partner evaluations but not explicit satisfaction. These findings highlight the importance of automatic measurements to understanding interpersonal relationships.
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Date Issued: 2016-06-01
Identifier: FSU_pmch_27084851, 10.1177/0956797616638650, PMC4899232, 27084851, 27084851, 0956797616638650
Format: Citation

Title: Association between anger rumination and autism symptom severity, depression symptoms, aggression, and general dysregulation in adolescents with autism spectrum disorder.
Creator: Patel, Shivani, Day, Taylor N, Jones, Neil, Mazefsky, Carla A
Abstract/Description: Rumination has a large direct effect on psychopathology but has received relatively little attention in autism spectrum disorder despite the propensity to perseverate in this population. This study provided initial evidence that adolescents with autism spectrum disorder self-report more anger-focused rumination than typically developing controls, though there was substantial within-group variability. Anger rumination was positively correlated with autism symptom severity with both groups...
Show moreRumination has a large direct effect on psychopathology but has received relatively little attention in autism spectrum disorder despite the propensity to perseverate in this population. This study provided initial evidence that adolescents with autism spectrum disorder self-report more anger-focused rumination than typically developing controls, though there was substantial within-group variability. Anger rumination was positively correlated with autism symptom severity with both groups combined. Future studies that include measures of perseveration on special interests are needed to understand whether anger rumination is a manifestation of a perseverative type of repetitive behavior or a distinct trait. Even when controlling for autism symptom severity, however, anger-focused rumination was associated with poorer functioning, including more depression symptoms and overall emotional and behavioral dysregulation. Therefore, further inquiry regarding anger rumination in autism spectrum disorder is clinically important, and the potential impact of rumination-focused interventions should be explored.
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Date Issued: 2017-02-01
Identifier: FSU_pmch_27095831, 10.1177/1362361316633566, PMC6070295, 27095831, 27095831, 1362361316633566
Format: Citation

Title: Saharan dust nutrients promote Vibrio bloom formation in marine surface waters.
Creator: Westrich, Jason R, Ebling, Alina M, Landing, William M, Joyner, Jessica L, Kemp, Keri M, Griffin, Dale W, Lipp, Erin K
Abstract/Description: Vibrio is a ubiquitous genus of marine bacteria, typically comprising a small fraction of the total microbial community in surface waters, but capable of becoming a dominant taxon in response to poorly characterized factors. Iron (Fe), often restricted by limited bioavailability and low external supply, is an essential micronutrient that can limit Vibrio growth. Vibrio species have robust metabolic capabilities and an array of Fe-acquisition mechanisms, and are able to respond rapidly to...
Show moreVibrio is a ubiquitous genus of marine bacteria, typically comprising a small fraction of the total microbial community in surface waters, but capable of becoming a dominant taxon in response to poorly characterized factors. Iron (Fe), often restricted by limited bioavailability and low external supply, is an essential micronutrient that can limit Vibrio growth. Vibrio species have robust metabolic capabilities and an array of Fe-acquisition mechanisms, and are able to respond rapidly to nutrient influx, yet Vibrio response to environmental pulses of Fe remains uncharacterized. Here we examined the population growth of Vibrio after natural and simulated pulses of atmospherically transported Saharan dust, an important and episodic source of Fe to tropical marine waters. As a model for opportunistic bacterial heterotrophs, we demonstrated that Vibrio proliferate in response to a broad range of dust-Fe additions at rapid timescales. Within 24 h of exposure, strains of Vibrio cholerae and Vibrio alginolyticus were able to directly use Saharan dust-Fe to support rapid growth. These findings were also confirmed with in situ field studies; arrival of Saharan dust in the Caribbean and subtropical Atlantic coincided with high levels of dissolved Fe, followed by up to a 30-fold increase of culturable Vibrio over background levels within 24 h. The relative abundance of Vibrio increased from ∼1 to ∼20% of the total microbial community. This study, to our knowledge, is the first to describe Vibrio response to Saharan dust nutrients, having implications at the intersection of marine ecology, Fe biogeochemistry, and both human and environmental health.
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Date Issued: 2016-05-24
Identifier: FSU_pmch_27162369, 10.1073/pnas.1518080113, PMC4889353, 27162369, 27162369, 1518080113
Format: Citation

Title: Is hyperactivity ubiquitous in ADHD or dependent on environmental demands? Evidence from meta-analysis.
Creator: Kofler, Michael J, Raiker, Joseph S, Sarver, Dustin E, Wells, Erica L, Soto, Elia F
Abstract/Description: Hyperactivity, or excess gross motor activity, is considered a core and ubiquitous characteristic of ADHD. Alternate models question this premise, and propose that hyperactive behavior reflects, to a large extent, purposeful behavior to cope with environmental demands that interact with underlying neurobiological vulnerabilities. The present review critically evaluates the ubiquity and environmental modifiability of hyperactivity in ADHD through meta-analysis of 63 studies of mechanically...
Show moreHyperactivity, or excess gross motor activity, is considered a core and ubiquitous characteristic of ADHD. Alternate models question this premise, and propose that hyperactive behavior reflects, to a large extent, purposeful behavior to cope with environmental demands that interact with underlying neurobiological vulnerabilities. The present review critically evaluates the ubiquity and environmental modifiability of hyperactivity in ADHD through meta-analysis of 63 studies of mechanically measured activity level in children, adolescents, and adults with ADHD relative to typically developing groups. Random effects models corrected for publication bias confirmed elevated gross motor activity in ADHD (d=0.86); surprisingly, neither participant age (child vs. adult) nor the proportion of each ADHD sample diagnosed with the inattentive subtype/presentation moderated this effect. In contrast, activity level assessed during high cognitive load conditions in general (d=1.14) and high executive functioning demands in particular (d=1.39) revealed significantly higher effect sizes than activity level during low cognitive load (d=0.36) and in-class schoolwork (d=0.50) settings. Low stimulation environments, more rigorous diagnostic practices, actigraph measurement of movement frequency and intensity, and ADHD samples that included fewer females were also associated with larger effects. Overall, the results are inconsistent with DSM-5 and ADHD models that a) describe hyperactivity as ubiquitous behavior, b) predict a developmental decline in hyperactivity, or c) differentiate subtypes/presentations according to perceived differences in hyperactive behavior. Instead, results suggest that the presence and magnitude of hyperactive behavior in ADHD may be influenced to a considerable extent by environmental factors in general, and cognitive/executive functioning demands in particular.
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Date Issued: 2016-06-01
Identifier: FSU_pmch_27131918, 10.1016/j.cpr.2016.04.004, PMC4902796, 27131918, 27131918, S0272-7358(15)30156-2
Format: Citation

Title: The ties that bond: neurochemistry of attachment in voles..
Creator: Gobrogge, Kyle, Wang, Zuoxin
Abstract/Description: In socially monogamous prairie voles (Microtus ochrogaster), mating induces three primary types of behavior; namely, partner preference, selective aggression toward conspecific strangers, and bi-parental care, making this rodent an ideal model system to study sociality and underlying neurochemical mechanisms associated with monogamous mating strategies. Here, we highlight species differences in neurochemical receptor distributions associated with mating experience leading to the establishment...
Show moreIn socially monogamous prairie voles (Microtus ochrogaster), mating induces three primary types of behavior; namely, partner preference, selective aggression toward conspecific strangers, and bi-parental care, making this rodent an ideal model system to study sociality and underlying neurochemical mechanisms associated with monogamous mating strategies. Here, we highlight species differences in neurochemical receptor distributions associated with mating experience leading to the establishment of stable pair-bonds. Specifically, we illustrate the role of nucleus accumbens dopamine in programming the formation and maintenance of monogamous bonds and describe the role of anterior hypothalamic vasopressin in the regulation of selective aggression. We conclude by discussing recent molecular work in voles and emphasize the importance of this rodent for future research in the behavioral neurobiology field.
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Date Issued: 2016-06-01
Identifier: FSU_pmch_27131991, 10.1016/j.conb.2016.04.011, PMC4921794, 27131991, 27131991, S0959-4388(16)30046-0
Format: Citation

Title: Sliding of centrosome-unattached microtubules defines key features of neuronal phenotype.
Creator: Rao, Anand N, Falnikar, Aditi, O'Toole, Eileen T, Morphew, Mary K, Hoenger, Andreas, Davidson, Michael W, Yuan, Xiaobing, Baas, Peter W
Abstract/Description: Contemporary models for neuronal migration are grounded in the view that virtually all functionally relevant microtubules (MTs) in migrating neurons are attached to the centrosome, which occupies a position between the nucleus and a short leading process. It is assumed that MTs do not undergo independent movements but rather transduce forces that enable movements of the centrosome and nucleus. The present results demonstrate that although this is mostly true, a small fraction of the MTs are...
Show moreContemporary models for neuronal migration are grounded in the view that virtually all functionally relevant microtubules (MTs) in migrating neurons are attached to the centrosome, which occupies a position between the nucleus and a short leading process. It is assumed that MTs do not undergo independent movements but rather transduce forces that enable movements of the centrosome and nucleus. The present results demonstrate that although this is mostly true, a small fraction of the MTs are centrosome-unattached, and this permits limited sliding of MTs. When this sliding is pharmacologically inhibited, the leading process becomes shorter, migration of the neuron deviates from its normal path, and the MTs within the leading process become buckled. Partial depletion of ninein, a protein that attaches MTs to the centrosome, leads to greater numbers of centrosome-unattached MTs as well as greater sliding of MTs. Concomitantly, the soma becomes less mobile and the leading process acquires an elongated morphology akin to an axon.
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Date Issued: 2016-05-09
Identifier: FSU_pmch_27138250, 10.1083/jcb.201506140, PMC4862329, 27138250, 27138250, jcb.201506140
Format: Citation

Title: Neurochemical Mediation of Affiliation and Aggression Associated With Pair-Bonding.
Creator: Gobrogge, Kyle L, Jia, Xixi, Liu, Yan, Wang, Zuoxin
Abstract/Description: The neuropeptides vasopressin and corticotropin-releasing factor facilitate, while serotonin inhibits, aggression. How the brain is wired to coordinate interactions between these functionally opposed neurotransmitters to control behavioral states is poorly understood. Pair-bonded male prairie voles (Microtus ochrogaster) were infused with a retrograde tracer, Fluoro-Gold, and tested for affiliation and aggression toward a female partner or novel female subject. Subsequent immunocytochemical...
Show moreThe neuropeptides vasopressin and corticotropin-releasing factor facilitate, while serotonin inhibits, aggression. How the brain is wired to coordinate interactions between these functionally opposed neurotransmitters to control behavioral states is poorly understood. Pair-bonded male prairie voles (Microtus ochrogaster) were infused with a retrograde tracer, Fluoro-Gold, and tested for affiliation and aggression toward a female partner or novel female subject. Subsequent immunocytochemical experiments examined neuronal activation using Fos and neurochemical/neuroreceptor profiles on brain areas involved in these social behaviors. Finally, a series of behavioral pharmacologic and real-time in vivo brain microdialysis experiments were performed on male prairie voles displaying affiliation or aggression. We localized a subpopulation of excitatory vasopressin neurons in the anterior hypothalamus that may gate corticotropin-releasing factor output from the amygdala to the anterior hypothalamus and then the lateral septum to modulate aggression associated with mate guarding. Conversely, we identified a subset of inhibitory serotonergic projection neurons in the dorsal raphe that project to the anterior hypothalamus and may mediate the spatiotemporal release of neuropeptides and their interactions in modulating aggression and affiliation. Together, this study establishes the medial extended amygdala as a major neural substrate regulating the switch between positive and negative affective states, wherein several neurochemicals converge and interact to coordinate divergent social behaviors.
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Date Issued: 2017-02-01
Identifier: FSU_pmch_27129413, 10.1016/j.biopsych.2016.02.013, PMC4992658, 27129413, 27129413, S0006-3223(16)00100-1
Format: Citation

Title: Pressure and high-Tc superconductivity in sulfur hydrides.
Creator: Gor'kov, Lev P, Kresin, Vladimir Z
Abstract/Description: The paper discusses fundamentals of record-TC superconductivity discovered under high pressure in sulfur hydride. The rapid increase of TC with pressure in the vicinity of Pcr ≈ 123GPa is interpreted as the fingerprint of a first-order structural transition. Based on the cubic symmetry of the high-TC phase, it is argued that the lower-TC phase has a different periodicity, possibly related to an instability with a commensurate structural vector. In addition to the acoustic branches, the phonon...
Show moreThe paper discusses fundamentals of record-TC superconductivity discovered under high pressure in sulfur hydride. The rapid increase of TC with pressure in the vicinity of Pcr ≈ 123GPa is interpreted as the fingerprint of a first-order structural transition. Based on the cubic symmetry of the high-TC phase, it is argued that the lower-TC phase has a different periodicity, possibly related to an instability with a commensurate structural vector. In addition to the acoustic branches, the phonon spectrum of H3S contains hydrogen modes with much higher frequencies. Because of the complex spectrum, usual methods of calculating TC are here inapplicable. A modified approach is formulated and shown to provide realistic values for TC and to determine the relative contributions of optical and acoustic branches. The isotope effect (change of TC upon Deuterium for Hydrogen substitution) originates from high frequency phonons and differs in the two phases. The decrease of TC following its maximum in the high-TC phase is a sign of intermixing with pairing at hole-like pockets which arise in the energy spectrum of the cubic phase at the structural transition. On-pockets pairing leads to the appearance of a second gap and is remarkable for its non-adiabatic regime: hydrogen mode frequencies are comparable to the Fermi energy.
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Date Issued: 2016-05-11
Identifier: FSU_pmch_27167334, 10.1038/srep25608, PMC4863257, 27167334, 27167334, srep25608
Format: Citation

Title: Investigating morphological awareness and the processing of transparent and opaque words in adults with low literacy skills and in skilled readers.
Creator: To, Nancy L, Tighe, Elizabeth L, Binder, Katherine S
Abstract/Description: For adults with low literacy skills, the role of phonology in reading has been fairly well researched, but less is known about the role of morphology in reading. We investigated the contribution of morphological awareness to word reading and reading comprehension and found that for adults with low literacy skills and skilled readers, morphological awareness explained unique variance in word reading and reading comprehension. In addition, we investigated the effects of orthographic and...
Show moreFor adults with low literacy skills, the role of phonology in reading has been fairly well researched, but less is known about the role of morphology in reading. We investigated the contribution of morphological awareness to word reading and reading comprehension and found that for adults with low literacy skills and skilled readers, morphological awareness explained unique variance in word reading and reading comprehension. In addition, we investigated the effects of orthographic and phonological opacity in morphological processing. Results indicated that adults with low literacy skills were more impaired than skilled readers on items containing phonological changes but were spared on items involving orthographic changes. These results are consistent with previous findings of adults with low literacy skills reliance on orthographic codes. Educational implications are discussed.
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Date Issued: 2016-05-01
Identifier: FSU_pmch_27158173, 10.1111/1467-9817.12036, PMC4856052, 27158173, 27158173
Format: Citation

Title: Couple-Level Economic and Career Concerns and Intimate Partner Violence in Young Adulthood.
Creator: Copp, Jennifer E, Giordano, Peggy C, Manning, Wendy D, Longmore, Monica A
Abstract/Description: Family scholars have demonstrated that economic conditions influence marital quality and relationship instability. Similarly, researchers have identified low income and poverty as important risk factors for intimate partner violence (IPV). Yet limited work has examined how economic factors influence the use of violence in the romantic context, particularly during young adulthood. Using the Toledo Adolescent Relationships Study ( = 928), we examine the influence of economic and career concerns...
Show moreFamily scholars have demonstrated that economic conditions influence marital quality and relationship instability. Similarly, researchers have identified low income and poverty as important risk factors for intimate partner violence (IPV). Yet limited work has examined how economic factors influence the use of violence in the romantic context, particularly during young adulthood. Using the Toledo Adolescent Relationships Study ( = 928), we examine the influence of economic and career concerns as specific sources of conflict on IPV among a sample of young adults. Findings suggest that these areas of disagreement within romantic relationships are associated with IPV risk, net of traditional predictors. We discuss the implications of our findings for intervention and prevention efforts.
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Date Issued: 2016-06-01
Identifier: FSU_pmch_27284209, 10.1111/jomf.12282, PMC4894749, 27284209, 27284209
Format: Citation

Title: Acculturation Factors Related to Obesity of Latino American Men Nationwide.
Creator: Ai, Amy L, Appel, Hoa B, Lee, Jungup
Abstract/Description: Obesity is a public health epidemic, particularly among underrepresented populations. With a large proportion of immigrants, Latino Americans comprise the largest minority population in the United States. This study examined the association of acculturation factors with obesity among Latino American men ( n = 1,127) using the National Latino and Asian American Study. The result identified two acculturation-related factors (being U.S.-born and living in the United States for the longest period...
Show moreObesity is a public health epidemic, particularly among underrepresented populations. With a large proportion of immigrants, Latino Americans comprise the largest minority population in the United States. This study examined the association of acculturation factors with obesity among Latino American men ( n = 1,127) using the National Latino and Asian American Study. The result identified two acculturation-related factors (being U.S.-born and living in the United States for the longest period/5-10 years) as positive correlates. In contrast, a different study on obesity in Latino American women demonstrated discrimination, but not the above factors, as significant correlates. The men's pattern suggests that the Hispanic/Latino paradox might have greater implications for men with respect to weight issues. Furthermore, Mexican American and Other Latino American men presented a greater likelihood of being obese than Cuban and Puerto Rican men. The findings, if replicated in prospective research, suggest the need for gender- and ethnic-specific intervention for obesity in Latino American men, particularly for the largest subgroup, Mexican Americans.
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Date Issued: 2018-09-01
Identifier: FSU_pmch_27283432, 10.1177/1557988316653182, PMC6142145, 27283432, 27283432, 1557988316653182
Format: Citation

Title: Early goal-directed therapy in severe sepsis and septic shock: insights and comparisons to ProCESS, ProMISe, and ARISE..
Creator: Nguyen, H Bryant, Jaehne, Anja Kathrin, Jayaprakash, Namita, Semler, Matthew W, Hegab, Sara, Yataco, Angel Coz, Tatem, Geneva, Salem, Dhafer, Moore, Steven, Boka, Kamran, Gill,...
Show moreNguyen, H Bryant, Jaehne, Anja Kathrin, Jayaprakash, Namita, Semler, Matthew W, Hegab, Sara, Yataco, Angel Coz, Tatem, Geneva, Salem, Dhafer, Moore, Steven, Boka, Kamran, Gill, Jasreen Kaur, Gardner-Gray, Jayna, Pflaum, Jacqueline, Domecq, Juan Pablo, Hurst, Gina, Belsky, Justin B, Fowkes, Raymond, Elkin, Ronald B, Simpson, Steven Q, Falk, Jay L, Singer, Daniel J, Rivers, Emanuel P
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Abstract/Description: Prior to 2001 there was no standard for early management of severe sepsis and septic shock in the emergency department. In the presence of standard or usual care, the prevailing mortality was over 40-50 %. In response, a systems-based approach, similar to that in acute myocardial infarction, stroke and trauma, called early goal-directed therapy was compared to standard care and this clinical trial resulted in a significant mortality reduction. Since the publication of that trial, similar...
Show morePrior to 2001 there was no standard for early management of severe sepsis and septic shock in the emergency department. In the presence of standard or usual care, the prevailing mortality was over 40-50 %. In response, a systems-based approach, similar to that in acute myocardial infarction, stroke and trauma, called early goal-directed therapy was compared to standard care and this clinical trial resulted in a significant mortality reduction. Since the publication of that trial, similar outcome benefits have been reported in over 70 observational and randomized controlled studies comprising over 70,000 patients. As a result, early goal-directed therapy was largely incorporated into the first 6 hours of sepsis management (resuscitation bundle) adopted by the Surviving Sepsis Campaign and disseminated internationally as the standard of care for early sepsis management. Recently a trio of trials (ProCESS, ARISE, and ProMISe), while reporting an all-time low sepsis mortality, question the continued need for all of the elements of early goal-directed therapy or the need for protocolized care for patients with severe and septic shock. A review of the early hemodynamic pathogenesis, historical development, and definition of early goal-directed therapy, comparing trial conduction methodology and the changing landscape of sepsis mortality, are essential for an appropriate interpretation of these trials and their conclusions.
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Date Issued: 2016-07-01
Identifier: FSU_pmch_27364620, 10.1186/s13054-016-1288-3, PMC4929762, 27364620, 27364620, 10.1186/s13054-016-1288-3
Format: Citation

Title: Anchored enrichment dataset for true flies (order Diptera) reveals insights into the phylogeny of flower flies (family Syrphidae).
Creator: Young, Andrew Donovan, Lemmon, Alan R, Skevington, Jeffrey H, Mengual, Ximo, Ståhls, Gunilla, Reemer, Menno, Jordaens, Kurt, Kelso, Scott, Lemmon, Emily Moriarty, Hauser, Martin...
Show moreYoung, Andrew Donovan, Lemmon, Alan R, Skevington, Jeffrey H, Mengual, Ximo, Ståhls, Gunilla, Reemer, Menno, Jordaens, Kurt, Kelso, Scott, Lemmon, Emily Moriarty, Hauser, Martin, De Meyer, Marc, Misof, Bernhard, Wiegmann, Brian M
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Abstract/Description: Anchored hybrid enrichment is a form of next-generation sequencing that uses oligonucleotide probes to target conserved regions of the genome flanked by less conserved regions in order to acquire data useful for phylogenetic inference from a broad range of taxa. Once a probe kit is developed, anchored hybrid enrichment is superior to traditional PCR-based Sanger sequencing in terms of both the amount of genomic data that can be recovered and effective cost. Due to their incredibly diverse...
Show moreAnchored hybrid enrichment is a form of next-generation sequencing that uses oligonucleotide probes to target conserved regions of the genome flanked by less conserved regions in order to acquire data useful for phylogenetic inference from a broad range of taxa. Once a probe kit is developed, anchored hybrid enrichment is superior to traditional PCR-based Sanger sequencing in terms of both the amount of genomic data that can be recovered and effective cost. Due to their incredibly diverse nature, importance as pollinators, and historical instability with regard to subfamilial and tribal classification, Syrphidae (flower flies or hoverflies) are an ideal candidate for anchored hybrid enrichment-based phylogenetics, especially since recent molecular phylogenies of the syrphids using only a few markers have resulted in highly unresolved topologies. Over 6200 syrphids are currently known and uncovering their phylogeny will help us to understand how these species have diversified, providing insight into an array of ecological processes, from the development of adult mimicry, the origin of adult migration, to pollination patterns and the evolution of larval resource utilization. We present the first use of anchored hybrid enrichment in insect phylogenetics on a dataset containing 30 flower fly species from across all four subfamilies and 11 tribes out of 15. To produce a phylogenetic hypothesis, 559 loci were sampled to produce a final dataset containing 217,702 sites. We recovered a well resolved topology with bootstrap support values that were almost universally >95 %. The subfamily Eristalinae is recovered as paraphyletic, with the strongest support for this hypothesis to date. The ant predators in the Microdontinae are sister to all other syrphids. Syrphinae and Pipizinae are monophyletic and sister to each other. Larval predation on soft-bodied hemipterans evolved only once in this family. Anchored hybrid enrichment was successful in producing a robustly supported phylogenetic hypothesis for the syrphids. Subfamilial reconstruction is concordant with recent phylogenetic hypotheses, but with much higher support values. With the newly designed probe kit this analysis could be rapidly expanded with further sampling, opening the door to more comprehensive analyses targeting problem areas in syrphid phylogenetics and ecology.
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Date Issued: 2016-06-29
Identifier: FSU_pmch_27357120, 10.1186/s12862-016-0714-0, PMC4928351, 27357120, 27357120, 10.1186/s12862-016-0714-0
Format: Citation

Title: Spatial and Temporal Variation in the Effects of Climatic Variables on Dugong Calf Production.
Creator: Fuentes, Mariana M P B, Delean, Steven, Grayson, Jillian, Lavender, Sally, Logan, Murray, Marsh, Helene
Abstract/Description: Knowledge of the relationships between environmental forcing and demographic parameters is important for predicting responses from climatic changes and to manage populations effectively. We explore the relationships between the proportion of sea cows (Dugong dugon) classified as calves and four climatic drivers (rainfall anomaly, Southern Oscillation El Niño Index [SOI], NINO 3.4 sea surface temperature index, and number of tropical cyclones) at a range of spatially distinct locations in...
Show moreKnowledge of the relationships between environmental forcing and demographic parameters is important for predicting responses from climatic changes and to manage populations effectively. We explore the relationships between the proportion of sea cows (Dugong dugon) classified as calves and four climatic drivers (rainfall anomaly, Southern Oscillation El Niño Index [SOI], NINO 3.4 sea surface temperature index, and number of tropical cyclones) at a range of spatially distinct locations in Queensland, Australia, a region with relatively high dugong density. Dugong and calf data were obtained from standardized aerial surveys conducted along the study region. A range of lagged versions of each of the focal climatic drivers (1 to 4 years) were included in a global model containing the proportion of calves in each population crossed with each of the lagged versions of the climatic drivers to explore relationships. The relative influence of each predictor was estimated via Gibbs variable selection. The relationships between the proportion of dependent calves and the climatic drivers varied spatially and temporally, with climatic drivers influencing calf counts at sub-regional scales. Thus we recommend that the assessment of and management response to indirect climatic threats on dugongs should also occur at sub-regional scales.
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Date Issued: 2016-06-29
Identifier: FSU_pmch_27355367, 10.1371/journal.pone.0155675, PMC4927176, 27355367, 27355367, PONE-D-15-52097
Format: Citation

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