Endurance training does not affect intrinsic calcium current characteristics in rat myocardium

American Journal of Physiology - Heart and Circulatory Physiology

Volumn 273, Issue 3 42-3, 1997, Pages

  Mokelke, Eric A ^b   Palmer, Bradley M ^b   Cheung, Joseph Y ^b   Moore, Russell L ^a  

^a UNIVERSITY OF COLORADO   (United States)

^b NONE

Author keywords

Capacitance; Exercise; Heart; L type channel

Indexed keywords

CALCIUM CHANNEL; CALCIUM ION;

ANIMAL CELL; ANIMAL EXPERIMENT; ANIMAL TISSUE; ARTICLE; CALCIUM CURRENT; CALCIUM TRANSPORT; CONTROLLED STUDY; ENDURANCE; EXCITATION CONTRACTION COUPLING; FEMALE; HEART LEFT VENTRICLE MUSCLE; HEART MUSCLE; HEART MUSCLE FIBER MEMBRANE; HEART VENTRICLE HYPERTROPHY; NONHUMAN; PRIORITY JOURNAL; RAT; TRAINING; TREADMILL EXERCISE;

EID: 33751296567     PISSN: 03636135     EISSN: None     Source Type: Journal    
DOI: 10.1152/ajpheart.1997.273.3.h1193     Document Type: Article

References (16)

1. Bersohn, M. M., and J. Scheuer. Effects of physical training on end-diastolic volume and myocardial performance of isolated rat hearts. Circ. Res. 40: 510-516, 1977.
2. Blomqvist, C. G., and B. Saltin. Cardiovascular adaptations to physical training. Annu. Rev. Physiol. 45: 169-189, 1983.
3. Bowles, K. D., and J. W. Starnes. Exercise training improves metabolic response after ischemia in isolated working rat heart. J. Appl. Physiol. 76: 1608-1614, 1994.
4. Fabiato, A. Time and calcium dependence of activation and inactivation of calcium-induced release of calcium from the sarcoplasmic reticulum of a skinned canine cardiac purkinje cell. J. Gen. Physiol. 85: 247-289, 1985.
5. Gerdes, A. M., S. E. Kellerman, K. B. Malec, and D. D. Schocken. Transverse shape characteristics of cardiac myocytes from rats and humans. Cardioscience 5: 31-36, 1994.
6. Gwathmey, J. K., M. T. Slawsky, C. L. Perreault, G. M. Briggs, J. P. Morgan, and J. Y. Wei. Effect of exercise conditioning on excitation-contraction coupling in aged rats. J. Appl. Physiol. 69: 1366-1371, 1990.
7. Hamill, D. P., E. Neher, B. Sakmann, and F. J. Sigworth. Improved patch-clamp technique for high-resolution current recording from cells and cell-free membrane patches. Pflügers Arch. 391: 85-100, 1981.
8. Keung, E. C. Calcium current is increased in isolated adult myocytes from hypertrophied rat myocardium. Circ. Res. 64: 753-763, 1989.
9. Klug, G. A., and G. F. Tibbits. The Effect of Activity on Calcium-Mediated Events in Striated Muscle. New York: MacMillan, 1988.
10. Laughlin, M. H., C. C. Hale, L. Novela, D. Gute, N. Hamilton, and C. D. Ianuzzo. Biochemical characterization of exercise-trained porcine myocardium. J. Appl. Physiol. 71: 229-235, 1991.
11. 2+ transients in ventricular myocytes of rats. J. Appl. Physiol. 73: 1441-1448, 1992.
12. Mole, P. A. Increased contractile potential of papillary muscles from exercise-trained rat hearts. Am. J. Physiol. 234 (Heart Circ. Physiol. 3): H421-H425, 1978.
13. Moore, R. L., T. I. Musch, R. V. Yelamarty, R. C. Scaduto, Jr., A. M. Semanchick, M. Elensky, and J. Y. Cheung. Chronic exercise alters contractility and morphology of isolated rat cardiac myocytes. Am. J. Physiol. 264 (Cell Physiol. 33): C1180-C1189, 1993.
14. Oscai, L. B., P. A. Mole, and J. O. Holloszy. Effects of exercise on cardiac weight and mitochondria in male and female rats. Am. J. Physiol. 220: 1944-1948, 1971.
15. Pierce, G. N., P. S. Sekhon, H. Meng, and T. G. Maddaford. Effects of chronic swimming training on cardiac sarcolemmal function and composition. J. Appl. Physiol. 66: 1715-1721, 1989.
16. Press, W. H., S. A. Teukolsky, W. T. Vetterling, and B. P. Flannery. Numerical Recipes in C. New York: Cambridge Univ. Press, 1992.