The sarcolemmal mechanisms involved in the control of diastolic intracellular calcium in isolated rat cardiac trabeculae

Pflugers Archiv European Journal of Physiology

Volumn 432, Issue 6, 1996, Pages 961-969

  Lamont, Christine ^a   Eisner, David A ^a  

^a UNIVERSITY OF LIVERPOOL   (United Kingdom)

Author keywords

Background calcium entry; Cardiac trabeculae; Indo 1; Na Ca exchange

Indexed keywords

ANIMAL TISSUE; ARTICLE; CALCIUM CELL LEVEL; CONTROLLED STUDY; HEART RIGHT VENTRICLE; IN VITRO STUDY; NONHUMAN; PRIORITY JOURNAL; RAT; SARCOPLASMIC RETICULUM; SODIUM CALCIUM EXCHANGE;

ANIMALS; CALCIUM; CARRIER PROTEINS; DIASTOLE; ELECTRIC STIMULATION; ENZYME INHIBITORS; FLUORESCENT DYES; INDOLES; MALE; MYOCARDIUM; NA(+)-K(+)-EXCHANGING ATPASE; RATS; RATS, WISTAR; RYANODINE; SARCOLEMMA; SARCOPLASMIC RETICULUM; SODIUM; SODIUM-CALCIUM EXCHANGER;

EID: 0029817195     PISSN: 00316768     EISSN: None     Source Type: Journal    
DOI: 10.1007/s004240050223     Document Type: Article

References (26)

1. Allen DG, Eisner DA, Lab MJ, Orchard CH (1983) The effects of low sodium solutions on intracellular calcium concentration and tension in ferret ventricular muscle. J Physiol (Lond) 345:391-407
2. Allen DG, Eisner DA, Orchard CH (1984) Factors influencing free intracellular calcium concentration in quiescent ferret ventricular muscle. J Physiol (Lond) 350:615-630
3. Backx PH, ter Keurs HEDJ (1993) Fluorescent properties of rat cardiac trabeculae microinjected with fura-2 salt. Am J Physiol 264:H1098-H1110
4. Bassani JW, Bassani RA, Bers DM (1994) Relaxation in rabbit and rat cardiac cells: species-dependent differences in cellular mechanisms. J Physiol (Lond) 476:279-295
5. 2+-pumping system in dog heart sarcolemma. Nature 283:765-767
6. Coulombe A, Lefevre IA, Baró I, Coraboeuf E (1989) Barium-and calcium-permeable channels open at negative membrane potentials in rat ventricular myocytes. J Membr Biol 111:57-67
7. Deitmer JW, Ellis D (1978) Changes in the intracellular sodium activity of sheep heart purkinje fibres produced by calcium and other divalent cations. J Physiol (Lond) 277:437-453
8. Eisner DA, Allen DG, Orchard CH (1984) Control of intracellular ionized calcium concentration by sarcolemmal and intracellular mechanisms. J Mol Cell Cardiol 16:137-146
9. Kim D, Okada A, Smith TW (1987) Control of cytosolic calcium activity during low sodium exposure in cultured chick heart cells. Circ Res 61:29-41
10. Lamont C, Eisner DA (1994) The effect of changes of extracellular calcium on intracellular calcium concentration in isolated rat ventricular trabeculae. J Physiol (Lond) 477P:P21
11. Lefevre T, Coraboeuf E, Ghazi A, Coulombe A (1995) Divalent cation channels activated by phenothiazines in membrane of rat ventricular myocytes. J Membr Biol 147:147-158
12. Lewartowski B, Rozycka M, Janiak R (1994) Effects of thapsigargin in normal and pretreated with ryanodine guinea pig cardiomyocytes. Am J Physiol 266:H1829-H1839
13. McDonald TF, Cavalié A, Trautwein W, Pelzer D (1986) Voltage-dependent properties of macroscopic and elementary calcium channel currents in guinea-pig ventricular myocytes. Pfüugers Arch 406:437-448
14. Miller DJ, Smith GL (1984) EGTA purity and the buffering of calcium ions in physiological solutions. Am J Physiol 246: C160-C166
15. Mitchell MR, Powell T, Terrar DA, Twist VW (1983) Characteristics of the second inward current in cells isolated from rat ventricular muscle. Proc R Soc Lond [Biol] 219:447-469
16. Negretti N, O'Neill SC, Eisner DA (1993) The relative contributions of different intracellular and sarcolemmal systems to relaxation in rat ventricular myocytes. Cardiovasc Res 27: 1826-1830
17. Niedergerke R (1963) Movements of Ca in frog heart ventricles at rest and during contractures. J Physiol (Lond) 167:515-550
18. i. J Physiol (Lond) 425: 55-70
19. 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
20. 2+ electrochemical gradients in cardiac muscle and their relationship to force development. J Gen Physiol 80:325-351
21. Smith GL, Miller DJ (1985) Potentiometric measurements of stoichiometric and apparent affinity constants of EGTA for protons and divalent ions including calcium. Biochim Biophys Acta 839:287-299
22. Strobeck JE, Krueger J, Sonnenblick EH (1980) Load and time considerations in the force-length relation of cardiac muscle. Fed Proc 39:175-182
23. i) in resting and stimulated heart cells. Fed Proc 43:1022
24. Wier WG, Kort AA, Stern MD, Lakatta EG, Marban E (1983) Cellular calcium fluctuations in mammalian heart: direct evidence from noise analysis of aequorin signals in Purkinje fibers. Proc Natl Acad Sci USA 80:7367-7371
25. 2+ transients in mammalian cardiac muscle. Fed Proc 44:2989-2993
26. 2+) in tetanized mammalian heart muscle. J Gen Physiol 87:223-242