Shock-induced changes of Cai2+ and Vm in myocyte cultures and computer model: Dependence on the timing of shock application

Cardiovascular Research

Volumn 73, Issue 1, 2007, Pages 101-110

  Raman, Vidya ^a   Pollard, Andrew E ^a   Fast, Vladimir G ^a  

^a and Radiation Oncology   (United States)

Author keywords

Calcium; Computer modeling; Defibrillation; Mapping; Membrane potential

Indexed keywords

CALCIUM CHANNEL L TYPE; CALCIUM ION; SODIUM CALCIUM EXCHANGE PROTEIN;

ACTION POTENTIAL; ANIMAL CELL; ARTICLE; CALCIUM CURRENT; CALCIUM TRANSPORT; CELL CULTURE; COMPUTER MODEL; CONTROLLED STUDY; ELECTRIC SHOCK; MEMBRANE POTENTIAL; MOUSE; MUSCLE FIBER CULTURE; NEWBORN PERIOD; NONHUMAN; PRIORITY JOURNAL; SIMULATION;

ACTION POTENTIALS; ANIMALS; ARRHYTHMIA; CALCIUM CHANNELS, L-TYPE; CELLS, CULTURED; COMPUTER SIMULATION; ELECTRIC COUNTERSHOCK; MEMBRANE POTENTIALS; MODELS, CARDIOVASCULAR; MYOCYTES, CARDIAC; RATS; SODIUM-CALCIUM EXCHANGER; TIME FACTORS;

EID: 33845591765     PISSN: 00086363     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.cardiores.2006.10.028     Document Type: Article

References (27)

1. Zhou X.H., Smith W.M., Rollins D.L., and Ideker R.E. Transmembrane potential changes caused by shocks in guinea pig papillary muscle. Am J Physiol 271 (1996) H2536-H2546
2. Cheng Y., Mowrey K.A., Van Wagoner D.R., Tchou P.J., and Efimov I.R. Virtual electrode-induced reexcitation: a mechanism of defibrillation. Circ Res 85 (1999) 1056-1066
3. Efimov I.R., Aguel F., Cheng Y., Wollenzier B., and Trayanova N. Virtual electrode polarization in the far field: implications for external defibrillation. Am J Physiol 279 (2000) H1055-H1070
4. Fast V.G., Sharifov O.F., Cheek E.R., Newton J., and Ideker R.E. Intramural virtual electrodes during defibrillation shocks in left ventricular wall assessed by optical mapping of membrane potential. Circulation 106 (2002) 1007-1014
5. Sharifov O.F., and Fast V.G. Intramural virtual electrodes in ventricular wall: effects on epicardial polarizations. Circulation 109 (2004) 2349-2356
6. Krauthamer V., and Jones J.L. Calcium dynamics in cultured heart cells exposed to defibrillator-type electric shocks. Life Sci 60 (1997) 1977-1985
7. Rosborough J., and Deno D. Electrical therapy for pulseless electrical activity. PACE 23 (2000) 591 [Part II]
8. Walcott G.P., Melnick S.B., Killingsworth C.R., Smith W.M., and Ideker R.E. Effects of burst stimulation during ventricular fibrillation on cardiac function after defibrillation. Am J Physiol 285 (2003) H766-H774
9. m in myocyte cultures. Circ Res 94 (2004) 1589-1597
10. Rohr S., Fluckiger-Labrada R., and Kucera J.P. Photolithographically defined deposition of attachment factors as a versatile method for patterning the growth of different cell types in culture. Pflugers Arch 446 (2003) 125-132
11. Fast V.G., and Ideker R.E. Simultaneous optical mapping of transmembrane potential and intracellular calcium in myocyte cultures. J Cardiovasc Electrophysiol 11 (2000) 547-556
12. Fast V.G., Rohr S., and Ideker R.E. Non-linear changes of transmembrane potential caused by defibrillation shocks in strands of cultured myocytes. Am J Physiol 278 (2000) H688-H697
13. 2+ current. Circ Res 87 (2000) 453-459
14. Pandit S.V., Clark R.B., Giles W.R., and Demir S.S. A mathematical model of action potential heterogeneity in adult rat left ventricular myocytes. Biophys J 81 (2001) 3029-3051
15. Pollard A.E., Cascio W.E., Fast V.G., and Knisley S.B. Modulation of triggered activity by uncoupling in the ischemic border. A model study with phase 1b-like conditions. Cardiovasc Res 56 (2002) 381-392
16. Fast V.G., and Kléber A.G. Anisotropic conduction in monolayers of neonatal rat heart cells cultured on collagen substrate. Circ Res 75 (1994) 591-595
17. Darrow B.J., Fast V.G., Kléber A.G., Beyer E.C., and Saffitz J.E. Functional and structural assessment of intercellular communication: increased conduction velocity and enhanced connexin expression in dibutyryl cAMP-treated cultured cardiac myocytes. Circ Res 79 (1996) 174-183
18. Gillis A., Fast V., Rohr S., and Kléber A. Effects of defibrillation shocks on the spatial distribution of the transmembrane potential in strands and monolayers of cultured neonatal rat ventricular myocytes. Circ Res 79 (1996) 676-690
19. Zhou X.H., Rollins D.L., Smith W.M., and Ideker R.E. Responses of the transmembrane potential of myocardial cells during a shock. J Cardiovasc Electrophysiol 6 (1995) 252-263
20. Cheng D.K., Tung L., and Sobie E.A. Nonuniform responses of transmembrane potential during electric field stimulation of single cardiac cells. Am J Physiol 277 (1999) H351-H362
21. Mohri S., He K.L., Dickstein M., Mika Y., Shimizu J., Shemer I., et al. Cardiac contractility modulation by electric currents applied during the refractory period. Am J Physiol 282 (2002) H1642-H1647
22. Cohen N.M., and Lederer W.J. Changes in the calcium current of rat heart ventricular myocytes during development. J Physiol 406 (1988) 115-146
23. Shattock M.J., and Bers D.M. Rat vs. rabbit ventricle: Ca flux and intracellular Na assessed by ion-selective microelectrodes. Am J Physiol 256 (1989) C813-C822
24. Wibo M., Bravo G., and Godfraind T. Postnatal maturation of excitation-contraction coupling in rat ventricle in relation to the subcellular localization and surface density of 1,4-dihydropyridine and ryanodine receptors. Circ Res 68 (1991) 662-673
25. + currents in fetal, neonatal, and adult rabbit ventricular myocytes. Circ Res 70 (1992) 508-515
26. Chiesi M., Wrzosek A., and Grueninger S. The role of the sarcoplasmic reticulum in various types of cardiomyocytes. Mol Cell Biochem 130 (1994) 159-171
27. 2+ currents from newborn rat cardiomyocytes in primary culture. Pflugers Arch 428 (1994) 241-249