A disrupter of actin microfilaments impairs sulfonylurea-inhibitory gating of cardiac KATP channels

American Journal of Physiology

Volumn 271, Issue 6 PART 2, 1996, Pages

  Brady, Peter A ^a   Alekseev, Alexey E ^a   Aleksandrova, Luba A ^a   Gomez, Luis A ^a   Terzic, Andre ^a  

^a MAYO CLINIC   (United States)

Author keywords

Adenosine 5' triphosphate sensitive potassium channels; Cytoskeleton; Deoxyribonuclease i; Glyburide; Heart

Indexed keywords

ADENOSINE TRIPHOSPHATE; DEOXYRIBONUCLEASE; GLIBENCLAMIDE; POTASSIUM CHANNEL;

ACTIN FILAMENT; ANIMAL TISSUE; ARTICLE; CHANNEL GATING; CYTOSKELETON; GUINEA PIG; HEART MUSCLE CONTRACTILITY; NONHUMAN; POTASSIUM CURRENT; PRIORITY JOURNAL; SARCOLEMMA;

ACTINS; ADENOSINE TRIPHOSPHATE; ANIMALS; DEOXYRIBONUCLEASE I; DOSE-RESPONSE RELATIONSHIP, DRUG; GLYBURIDE; GUINEA PIGS; HEAT; ION CHANNEL GATING; KINETICS; MICROFILAMENTS; MYOCARDIUM; OSMOLAR CONCENTRATION; POTASSIUM CHANNEL BLOCKERS; POTASSIUM CHANNELS; SULFONYLUREA COMPOUNDS;

EID: 0030474243     PISSN: 00029513     EISSN: None     Source Type: Journal    
DOI: 10.1152/ajpheart.1996.271.6.h2710     Document Type: Article

References (34)

1. Aguilar-Bryan, L ., C. G. Nichols, S. W. Wechsler, J. P. Clement, A. E. Boyd, G. Gonzalez, H. Herrera-Sosa, K. Ngyuy, J. Bryan, and D. A. Nelson. Cloning of the beta cell high-affinity sulfonylurea receptor: a regulator of insulin secretion. Science Wash. DC 268: 423-426, 1995.
2. +-induced membrane depolarization in ventricular cardiomyocytes: possible implication in hyperkalemic cardioplegia. J. Mol. Cell. Cardiol. 28: 1193-1202, 1996.
3. Cantiello, H. Role of the actin cytoskeleton on epithelial Na+ channel regulation. Kidney Int. 48: 970-984, 1995.
4. + channel modification by metabolic inhibition in isolated guinea-pig ventricular myocytes. J. Physiol. Land. 465:163-179, 1993.
5. + channnels in cardiac muscle by the sulphonylurea drug glibenclamide. J. Pharmacol. Exp. Ther. 261: 540-545, 1992.
6. + channels during metabolic stress in cardiac muscle. J. Pharmacol. Exp. Ther. 266: 456-467, 1993.
7. + channels in heart muscle. Spare channels. FEES Lett. 279: 95-97, 1991.
8. + channels. J. Biol. Chem. 263: 7933-7936, 1988.
9. + channel to the actin cytoskeleton, Pfluegers Arch. 431: 504-512, 1996.
10. Ganote, C ., and S. Armstrong. Ischaemia and the myocyte cytoskeleton: review and speculation. Cardiovasc. Res. 27:13871403, 1993.
11. Gross, G. ATP-sensitive potassium channels and myocardial preconditioning. Basic Res. Cardiol. 90: 85-88, 1995.
12. Grover, G. J. Protective effects of ATP-sensitive potassiumchannel openers in experimental myocardial ischemia. J. Cardiovasc. Pharmacol. 24: S18-S27, 1994.
13. + channel current in atrial myocytes of guinea pig heart. Jpn. J. Pharmacol. 54: 473-477, 1990.
14. Hamill, O. P ., A. Marty, E. Neher, B. Sakmann, and F. J. Sigworth. Improved patch-clamp techniques for the highresolution current recording from cells and cell-free membrane patches. Pfluegers Arch. 391: 85-100, 1981.
15. Horber, J. K ., J. Mosbacher, W. Haberle, and J. P. Ruppersberg. A look at membrane patches with a scanning force microscope. Biophys. J. 68: 1687-1693, 1995.
16. ATP: an inward rectifier subunit plus the sulphonylurea receptor. Science Wash. DC 270:1166-1170, 1995.
17. + channels. Neuron 16:1011-1017, 1996.
18. Kabsch, W ., H. G. Mannherz, D. Suck, E. F. Pai, and K. C. Holmes. Atomic structure of the actin: DNase I complex. Nature Land. 347: 37-44, 1990.
19. Nichols, C. G ., and W. J. Lederer. Adenosine triphosphatesensitive potassium channels in the cardiovascular system. Am. J. Physiol 261 (Heart Circ. Physiol. 30): H1675-H1686, 1991.
20. Nichols, C. G ., S. L. Shyng, A. Nestorowicz, B. Glaser, J. P. Clement, G. Gonzalez, L. Aguilar-Bryan, M. A. Permutt, and J. Bryan. Adenosine diphosphate as an intracellular regulator of insulin secretion. Science Wash. DC 272: 1785-1787, 1996.
21. Post, J. A, , J, Leunissen-Bijvelt, T. J. C. Ruigrok, and A. J. Verkeij. Ultrastructural changes of sarcolemma and mitochondria in the isolated rabbit heart during ischemia and reperfusion. Biochim. Biophys. Acta 845:119-123, 1985.
22. ATP channels by glibenclamide in rat ventricular myocytes. J. Cardiovasc. Electrophysiol. 4: 38-47, 1992.
23. Rosenmund, C ., and G. L. Westbrook. Calcium-induced actin depolymerization reduces NMDA channel activity. Neuron 10: 805-814, 1993.
24. Ruknudin, A ., M. J. Song, and F. Sachs. The ultrastructure of patch-clamped membranes: a study using voltage electron microscopy. J. Cell Biol. 112:125-134, 1991.
25. Steenbergen, C ., M. L. Hill, and R. B. Jennings. Cytoskeletal damage during myocardial ischemia: changes in vinculin immunofluoresence staining during total in vitro ischemia in canine heart. Circ. Res. 60: 478-486, 1987.
26. +opening drugs. Am. J. Physiol. 269 (Cell Physiol. 38): C525C545, 1995.
27. ATP channel opening in patches from guinea-pig cardiomyocytes. J. Physiol. Land. 492: 395-404, 1996.
28. + channel in ventricular cell of guinea-pig. J. Physiol. Land. 437: 239-256, 1991.
29. Undrovinas, A ., G. S. Shander, and J. C. Makielski. Cytoskeleton modulates gating of voltage-dependent sodium channel in heart. Am. J. Physiol. 269 (Heart Circ. Physiol. 38): H203-H214, 1995.
30. Van Wagoner, D ., and M. Lamorgese. Ischemia potentiates the mechanosensitive modulation of atrial ATP-sensitive potassium channels. Aren. NYAcad. Sei. 723: 392-395, 1994.
31. Van Wagoner, D. Mechanosensitive gating of atrial ATPsensitive potassium channels. Circ. Res. 72: 973-983, 1993.
32. + loss during hypoxia, ischemia, and metabolic inhibition in mammalian ventricle. Circ. Res. 69: 623-637, 1991.
33. Weber, A ., C. R. Pennise, and M. Pring. DNase I increases the rate constant of depolymerization at the pointed (-) end of actin filaments. Biochemistry 33: 4780-4786, 1994.
34. + channels. Cardiovasc. Drugs Ther. 7: 499-505, 1993.