Cytoplasmic sodium, calcium and free energy change of the Na+/Ca2+-exchanger in rat ventricular myocytes

Journal of Molecular and Cellular Cardiology

Volumn 30, Issue 11, 1998, Pages 2437-2447

  Baartscheer, A ^a   Schumacher, C A ^b   Fiolet, J W T ^b  

^a UNIVERSITY OF AMSTERDAM   (Netherlands)

^b NONE

Author keywords

Free energy; Intracellular calcium; Intracellular sodium; Myocytes; Na+ Ca2+ exchanger

Indexed keywords

ADENOSINE TRIPHOSPHATASE (POTASSIUM SODIUM); OUABAIN; RYANODINE; THAPSIGARGIN; VERAPAMIL;

ANIMAL CELL; ARTICLE; CALCIUM CELL LEVEL; CALCIUM TRANSPORT; ENERGY; FLUORESCENCE ANALYSIS; HEART DEPOLARIZATION; HEART MUSCLE CELL; HEART VENTRICLE; HUMAN; MALE; PRIORITY JOURNAL; PROPRIOCEPTION; RAT; SARCOPLASMIC RETICULUM; SODIUM CALCIUM EXCHANGE; SODIUM CELL LEVEL; STEADY STATE;

ANIMALIA; STROPHANTHUS GRATUS;

EID: 0032213802     PISSN: 00222828     EISSN: None     Source Type: Journal    
DOI: 10.1006/jmcc.1998.0803     Document Type: Article

References (44)

1. 2+-exchanger in isolated rat ventricular myocytes. J Mol Cell Cardiol 28: 1963-1996.
2. BAARTSCHEER A, SCHUMACHER CA, FIOLET JWT, 1997. Small changes of cytosolic sodium in rat ventricular myocytes measured with SBFI in emission ratio mode. J Mol Cell Cardiol 29: 3375-3385.
3. i in intact rabbit cardiac myocytes. Biophys J 480: 411-421.
4. BARRY HW, BRIDGE JHB, 1993. Intracellular calcium homeostasis in cardiac myocytes. Circulation 87: 1806-1815.
5. BERS DM, 1987a. Ryanodine and the calcium content of cardiac SR assessed by caffeine and rapid cooling contracture. Am J Physiol 253: C408-C411.
6. BERS DM, 1987b. Mechanisms contributing to the cardiac inotropic effect of Na pump inhibition and reduction of extracellular Na. J Gen Physiol 90: 479-504.
7. BERS DM, BRIDGE JHB, SPITZER KW, 1989. Intracellular calcium transients during rapid cooling contractures in guinea-pig ventricular myocytes. J Physiol 417: 537-553.
8. BEUCKELMANN DJ, WIER WG, 1988. Mechanism of release of calcium from sarcoplasmic reticulum of guinea pig cardiac muscle. J Physiol 405: 233-255.
9. BEUCKELMANN DJ, WIER WG, 1989. Sodium-calcium exchange in guinea-pig cardiac cells: exchange current and changes in intracellular calcium. J Physiol 414: 499-520.
10. BLATTER LA, WIER WG, 1990. Intracellular diffusion, binding, and compartmentalization of the calcium indicators indo-1 and fura-2. Biophysic J 58: 1491-1499.
11. +-binding benzofuran isophalate. Am J Physiol 263: H866-H874.
12. BRADLEY H, HOUSER SR, 1992. Sodium-calcium exchange mediated contractions in feline ventricular myocytes. Am J Physiol 263: H1161-H1169.
13. BRIDGE JH, SPITZER KW, ERSHLER PR, 1988. Relaxation of isolated ventricular cardiomyocytes by a voltage-dependent process. Science 241: 823-825.
14. CARAFOLI E, 1988. Intracellular calcium regulation, with special attention to the role of the plasma membrane calcium pump. J Cardio Pharmacology 12: suppl 3 S77-84.
15. CARMELIET E, 1992. A fuzzy subsarcolemmal space for intracellular Na+ in cardiac cells. Cardiovasc Res 26: 433-442.
16. CHAPMAN RA, CORAY A, MCGUIGAN JAS, 1983. Sodium/ Calcium exchange in mammalian ventricular muscle: a study with sodium-sensitive micro-electrodes. J Physiol 343: 253-276.
17. CHAPMAN RA, 1986. Sodium/Calcium exchange and intracellular calcium buffering in ferret myocardium. J Physiol 373: 163-179.
18. COBBOLD PH, RINK TJ, 1987. Fluorescence and bioluminescence measurement of cytoplasmic free calcium. Biochem J 248: 313-328.
19. CRESPO LM, GRANTHAM J, CANNEL MB, 1990. Kinetics, stoichiometry and role of the Na-Ca exchange mechanism in isolated cardiac myocytes. Nature 345: 618-621.
20. DONOSO P, MILL JG, O'NEILL SC, EISNER DA, 1992. Fluorescence measurement of cytoplasmic and mitochondrial sodium concentrations in rat ventricular myocytes. J Physiol 448: 493-509.
21. FIOLET JWT, BAARTSCHEER A, SCHUMACHER CA, 1991. Transsarcolemmal sodium-calcium exchange and myocardial oxygen consumption in isolated rat ventricular myocytes. J Mol Cell Cardiol 23: 735-748.
22. 2+ exchanger in isolated rat ventricular myocytes. J Mol Cell Cardiol 27: 1513-1525.
23. FOZZARD HA, 1986. Cytosolic sodium ion activity in heart cells. In: Stone HL and Weglicki WB (eds). Pathobiology of Cardiovascular Injury. Boston, MA: Nijhoff, 84-97.
24. 2+ indicators with greatly improved fluorescence properties. J Biol Chem 260: 3440-3450.
25. + in individual flbroblast and lymphocytes. J Biol Chem 264: 19458-19467.
26. HOVE-MADSEN L, BERS DM, 1989. Passive Ca buffering and SR Ca uptake in permeabilized rabbit ventricular myocytes. Am J Physiol 33: C677-C686.
27. 2+. Cell Calcium 12: 415-422.
28. + in isolated heart mitochondria estimated using a fluorescent probe. Am J Physiol 262: C1047-C105.
29. KLEBER AG, 1983. Resting membrane potential, extracellular potassium activity, and intracellular sodium activity during acute global ischemia in isolated perfused guinea pig hearts. Circ Res 52: 442-450.
30. KOLAR F, COLE WC, OSTADAL B, DHALLA NS, 1990. Transient inotropic effects of low extracellular sodium in perfused rat heart. Am J Physiol 259: H712-H719.
31. LANGER GA, RICH TL, 1992. Identification and characterization of a discrete Na-Ca-exchange dependent calcium compartment in rat ventricular cell. Am J Physiol 262: C1149-C1153.
32. LE BLANC N, HUME JR, 1990. Sodium current induced release of calcium from cardiac sarcoplasmic reticulum. Science 248: 372-375.
33. LEVI AJ, LEE CO, BROOKSBY P, 1994. Properties of the fluorescent sodium indicator 'SBFI' in rat and rabbit cardiac myocytes. J Cardiovasc Electrophysiol 5: 241-257.
34. LEVI AJ, BROOKSBY P, HANCOX JC, 1993. A role for depolarization induced calcium entry on the Na-Ca exchange in triggering intracellular calcium release and contractions in rat ventricular myocytes. Cardiovas Res 27: 1677-1690.
35. LOPEZ-LOPEZ JR, SHATLOCK S, BALKE CW, WIER WG, 1995. Local calcium transients triggered by single L-type calcium channels currents in cardiac cells. Science 263: 1042-1045.
36. 2+ concentration in living single rat cardiac myocytes. Am J Physiol 261: H1123-H1134.
37. POST JA, KUWATA JH, LANGER GA, 1993. Discrete Na-Ca exchange compartment in cultured neonatal rat cells. Characteristics, localization and possible physiological function. Cell Calcium 14: 61-71.
38. SHATTOCK MJ, BERS DM, 1989. Rat vs. Rabbit ventricle: Ca flux and intracellular Na assessed by ion-selective microelectrodes. Am J Physiol 256: C813-C822.
39. 2+ release from the sarcoplasmic reticulum. Circ Res 81: 1034-1044.
40. 2+. Am J Physiol 262: H1941-H1949.
41. 2+, contraction and potential in cardiac myocytes.Am J Physiol 258: H574-H586.
42. TER WELLE HF, BAARTSCHEER A, FIOLET JWT, SCHUMACHER CA, 1988. The cytoplasmic free energy of ATP hydrolysis in isolated rod-shaped rat ventricular myocytes. J Mol Cell Cardiol 20: 435-441.
43. 2+ measurement with indo-1 in substrate-attached cells: advantages and special considerations. Cell Calcium 11: 487-500.
44. i overload in rat ventricular muscle. Am J Physiol 253: H737-H744.