Biophysical Society 59th Annual Meeting Program Guide

1339-P os B oard B290 DYNAMICS OF CA 2+ -DEPENDENT REGULATION OF THE CARDIAC NA + /CA 2+ EXCHANGER. Lulu Chu , Joseph L. Greenstein, George S.B. Williams, Liron Boyman, Eric A. Legenzov, Brian M. Hagen, W J. Lederer, Raimond L. Winslow 1340-P os B oard B291 NA-CA EXCHANGER CURRENT DURING THE CARDIAC CYCLE IN INTACT PERFUSED MOUSE HEART. Josefina Ramos- Franco, Yuriana Aguilar-Sanchez , Ariel L. Escobar 1341-P os B oard B292 STRUCTURAL AND FUNCTIONAL IMPACT OF AMINO ACID SUBSTITUTION ON CALMODULIN BINDING IN CARDIAC MYOCYTES. Matthew D. McCoy , Saleet Jafri, Iosif Vaisman 1342-P os B oard B293 THE FUNCTIONAL COMPLEX COMPOSED OF THE SODIUM/ BICARBONATE COTRANSPORTER AND THE SOLUBLE ADENYLATE CYCLASE (SAC) MODULATES BASAL CARDIAC CONTRACTILITY. María S. Espejo, María C. Ciancio, Alejandro Orlowski, Verónica C. De Giusti, Ernesto A. Aiello 1343-P os B oard B294 DMSO PROTECTS AGAINST STRESS-INDUCED SEALING OF CARDIAC T-TUBULES. Keita Uchida , Ian Moench, Anatoli N. Lopatin 1344-P os B oard B295 DUAL ROLE OF FUNCTIONALLY INTACT DYADIC JUNCTIONS IN CARDIAC EXCITATION-CONTRACTION COUPLING. Prakash Subramanyam , Donald D. Chang, Henry M. Colecraft 1345-P os B oard B296 SUPER-RESOLUTION ANALYSIS OF THE DISTRIBUTION OF RYR, CAV1.2 AND NCX WITHIN THE MAMMALIAN COUPLON. David R.L. Scriven , Reza Tafteh, Keng C. Chou, Edwin D.W. Moore 1346-P os B oard B297 SUPERRESOLUTION MICROSCOPE IMAGE RECONSTRUCTION BY SPATIOTEMPORAL OBJECT DECOMPOSITION AND ASSOCIATION: APPLICATION IN RESOLVING T-TUBULE STRUCTURE IN SKELETAL MUSCLE. Mingzhai Sun , Jiaqing Huang, Filiz Bunyak, Kristyn Gumpper, Gejing De, Matthew Sermersheim, George Liu, Pei-Hui Lin, Kannappan Palaniappan, Jianjie Ma 1347-P os B oard B298 VOLTAGE-GATED CALCIUM INFLUX CONTRIBUTES TO SARCOPLASMIC RETICULUM CALCIUM LOADING IN SKELETAL MUSCLE. Gaelle Robin, Bruno Allard 1348-P os B oard B299 CONTRIBUTION OF L496-L500-W503 MOTIF OF DHPR- β 1A SUBUNIT TO SKELETAL-TYPE EC-COUPLING. Jose M. Eltit, Clara Franzini-Armstrong, Claudio F. Perez 1349-P os B oard B300 FRET-BASED STRUCTURAL ANALYSIS OF THE SKELETAL MUSCLE DHPR USING BIARSENICAL LABELING. Mohana Mahalingam , Claudio F. Perez, James D. Fessenden 1350-P os B oard B301 DEPENDENCY OF CA 2+ ALTERNANS ON ION CHANNEL LOCALIZATION IN HUMAN ATRIAL CELLS. Kelly C. Chang , Natalia A. Trayanova

1351-P os B oard B302 AGEING CAUSES SEVERE ULTRA-STRUCTURAL

MODIFICATION OF CALCIUM RELEASE UNITS AND MITOCHONDRIA IN CARDIOMYOCYTES. Laura d’Onofrio, Alessia Di Fonso, Feliciano Protasi, Simona Boncompagni 1352-P os B oard B303 THE EFFECT OF AGING ON CALCIUM TRANSIENTS IN RAT CARDIOMYOCYTES: IMPACT OF NOX INHIBITION. Daniel R. Gonzalez , Guillermo B. Barrios 1353-P os B oard B304 OPTOGENETIC MANIPULATION OF CA 2+ TRANSIENTS AND CONTRACTION IN A MATHEMATICAL MODEL OF CARDIOMYOCYTE FUNCTION. Yasser Aboelkassem , Stuart G. Campbell 1354-P os B oard B305 MG29/SYPL2 CONTRIBUTES TO DYSREGULATION OF LIPID COMPOSITION AND STORE OPERATED CA 2+ ENTRY IN AGING SKELETAL MUSCLE. Julian A. Vallejo , Liubov V. Gushchina, Sainath Kotha, Leticia Brotto, Narasimham Parinandi, Noah Weisleder, Marco Brotto 1355-P os B oard B306 DIFFERENTIAL ROLE OF CALSEQUESTRIN ISOFORMS ON CALCIUM ENTRY IN SKELETAL MUSCLE FDB FIBRES. Francesco Zorzato , Barbara Mosca, Leda Beergamelli, Giorgia Valle, Alessandra Nori, Susan Treves, Feliciano Protasi, Pomeo Volpe 1356-P os B oard B307 ELEVATION OF NO INCREASES CA 2+ ENTRY AND RESTING CA 2+ AND NA + CONCENTRATIONS IN SKELETAL MUSCLE CELLS. Gaelle Robin , Francisco Altamirano, Rui Zhang, Enrique Jaimovich, Paul D. Allen, Jose R. Lopez 1357-P os B oard B308 A COMPARTMENT MODEL TO INVESTIGATE THE ROLES OF SR MEMBRANE CHANNELS DURING E-C COUPLING. Claudio Berti , Michael Fill, Dirk Gillespie 1358-P os B oard B309 MODEL OF A PROPAGATING ACTION POTENTIAL (AP) IN A TWITCH SKELETAL MUSCLE FIBER MOUNTED IN A DOUBLE-VASELINE-GAP CHAMBER - CURRENTS INVOLVED IN SHAPING THE AP. Fatou Touré, Gabor Gyurkovics, Cedric R.H. Lamboley, Paul C. Pape 1359-P os B oard B310 CAMKII-DEPENDENT PHOSPHORYLATION OF RYR2 CAUSES DOMAIN UNZIPPING AND REDUCED CALMODULIN BINDING, BUT DANTROLENE REVERSES THESE EFFECTS. Hitoshi Uchinoumi , Yi Yang, Jose L. Puglisi, Ye Chen-Izu, Razvan L. Cornea, Xander H. T. Wehrens, Donald M. Bers 1360-P os B oard B311 DETERMINATION OF THE JUNCTIONAL SPACE [CA 2+ ] SET BY RYANODINE RECEPTOR LEAK IN SLOW- AND FAST-TWITCH MUSCLE FIBRES. Tanya R. Cully, Bradley S. Launikonis 1361-P os B oard B312 EFFECT OF CALCIUM IN THE CARDIAC RYANODINE RECEPTOR INTER-MOLECULAR CONTACTS. Vanessa Cabra , Montserrat Samso

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Biophysical Society 59 th Annual Meeting, Baltimore, Maryland

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