Protein kinase A does not alter unloaded velocity of sarcomere shortening in skinned rat cardiac trabeculae

American Journal of Physiology - Heart and Circulatory Physiology

Volumn 273, Issue 5 42-5, 1997, Pages

  Janssen, Paul M L ^a,b   De Tombe, Pieter P ^a  

^a UNIVERSITY OF ILLINOIS AT CHICAGO   (United States)

^b UNIVERSITY OF FREIBURG   (Germany)

Author keywords

Calcium sensitivity; Contractile protein phosphorylation; Cross bridge cycling; Edman slack test; adrenergic stimulation

Indexed keywords

CALCIUM ION; CYCLIC AMP DEPENDENT PROTEIN KINASE;

ANIMAL TISSUE; ARTICLE; BETA ADRENERGIC STIMULATION; CALCIUM HOMEOSTASIS; CONTROLLED STUDY; HEART MUSCLE CELL; HEART MUSCLE CONTRACTILITY; NONHUMAN; PRIORITY JOURNAL; PROTEIN PHOSPHORYLATION; RAT; SARCOMERE;

EID: 0030715344     PISSN: 03636135     EISSN: None     Source Type: Journal    
DOI: 10.1152/ajpheart.1997.273.5.h2415     Document Type: Article

References (18)

1. Backx, P. H., and H. E. D. J. ter Keurs. The force response to sudden length changes in rat myocardium (Abstract). Biophys. J. 53: 167a, 1988.
2. Herman, M. R., J. N. Peterson, D. T. Yue, and W. C. Hunter. Effect of isoproterenol on force transient time course and on stiffness spectra in rabbit papillary muscle in barium contracture. J. Mol. Cell. Cardiol. 20: 415-426, 1988.
3. Campbell, K. B., H. Taheri, R. D. Kirkpatrick, T. Burton, and W. C. Hunter. Similarities between dynamic elastance of left ventricular chamber and papillary muscle of rabbit heart. Am. J. Physiol. 264 (Heart Circ. Physiol. 33): H1926-H1941, 1993.
4. Chiu, Y. C., E. W. Ballou, and L. E. Ford. Force, velocity, and power changes during normal and potentiated contractions of cat papillary muscle. Circ. Res. 60: 446-458, 1987.
5. Cooke, R., and E. Pate. The effects of ADP and phosphate on the contraction of muscle fibers. Biophys. J. 48: 789-798, 1985.
6. De Tombe, P. P., and W. C. Little. Inotropic effects of ejection are myocardial properties. Am. J. Physiol. 266 (Heart Circ. Physiol. 35): H1202-H1213, 1994.
7. De Tombe, P. P., and G. J. M. Stienen. Protein kinase A does not alter economy of force maintenance in skinned rat cardiac trabeculae. Circ. Res. 76: 734-741, 1995.
8. De Tombe, P. P., and H. E. D. J. ter Keurs. Force and velocity of sarcomere shortening in trabeculae from rat heart: effects of temperature. Circ. Res. 66: 1239-1254, 1990.
9. De Tombe, P. P., and H. E. D. J. ter Keurs. Lack of effect of isoproterenol on unloaded velocity of sarcomere shortening in rat cardiac trabeculae. Circ. Res. 68: 382-391, 1991.
10. De Tombe, P. P., and H. E. D. J. ter Keurs. An internal viscous element limits unloaded velocity of sarcomere shortening in rat myocardium. J. Physiol. (Lond.) 454: 619-642, 1992.
11. De Tombe, P. P., T. Wannenburg, D. Fan, and W. C. Little. Right ventricular contractile protein function in rats with left ventricular myocardial infarction. Am. J. Physiol. 271 (Heart Circ. Physiol. 40): H73-H79, 1996.
12. Edman, K. A. P. The velocity of unloaded shortening and its relation to sarcomere length and isometric force in vertebrate muscle fibres. J. Physiol. (Lond.) 291: 143-159, 1979.
13. ++ mediated through α- and β-adrenoceptors. Circ. Res. 62: 247-265, 1988.
14. Fabiato, A., and F. Fabiato. Computer programs for calculating total from specified free or free from specified total ionic concentrations in aqueous solutions containing multiple metals and ligands. J. Physiol. Paris 75: 463-505, 1979.
15. Ford, L. E., A. F. Huxley, and R. M. Simmons. Tension response to sudden length change in stimulated frog muscle fibres near slack length. J. Physiol. (Lond.) 269: 441-515, 1977.
16. Garvey, J. L., E. G. Kranias, and R. J. Solaro. Phosphorylation of C protein, troponin-I, and phospholamban in isolated rabbit hearts. Biochem. J. 249: 709-714, 1988.
17. Glantz, S. A., and B. K. Slinker. Primer of Applied Regression and Analysis of Variance. New York: McGraw-Hill, 1990.
18. ++ and c-AMP. Basic Res. Cardiol. 75: 26-33, 1980.