Effect of temperature on the activation of myocardial KATP channel in guinea pig ventricular myocytes: A pilot study by whole cell patch clamp recording

Chinese Medical Journal

Volumn 119, Issue 20, 2006, Pages 1721-1726

  Jin, San Qing ^a   Niu, Li Jun ^a   Deng, Chun Yu ^b   Yao, Zhi Bin ^a   Zhou, Ying Jie ^c  

^a SUN YAT SEN UNIVERSITY   (China)

^b GUANGDONG PROVINCIAL PEOPLE'S HOSPITAL   (China)

^c SOUTHERN MEDICAL UNIVERSITY   (China)

Author keywords

ATP sensitive potassium channel; Guinea pigs; Heart ventricles; Myocardium; Nicorandil; Patch clamp techniques; Temperature

Indexed keywords

ADENOSINE TRIPHOSPHATE SENSITIVE POTASSIUM CHANNEL; COLLAGENASE; GLIBENCLAMIDE; NICORANDIL;

ANIMAL CELL; ARTICLE; CELL ISOLATION; CONTROLLED STUDY; CORRELATION COEFFICIENT; CURVE FITTING; DRUG ACTIVITY; ELECTROPHYSIOLOGY; FEMALE; GUINEA PIG; HEART MUSCLE CELL; HEART VENTRICLE; HIGH TEMPERATURE; LOW TEMPERATURE; MALE; MONITORING; NONHUMAN; PATCH CLAMP; PERFUSION; PHARMACOLOGICAL BLOCKING; TEMPERATURE SENSITIVITY;

EID: 33750707887     PISSN: 03666999     EISSN: None     Source Type: Journal    
DOI: 10.1097/00029330-200610020-00009     Document Type: Article

References (23)

1. + channels in cardiac muscle. Nature 1983; 305: 147-148.
2. McLarnon JG, Harriman BN, Tibbits GF. Temperature dependence of unitary properties of an ATP-dependent potassium channel in cardiac myocytes. Biophys J 1993; 65: 2013-2020.
3. + channels in cardiac myocytes in an ATP- and temperature-dependent manner. J Cardiovasc Pharmacol 1990; 15: 510-514.
4. Hoenicke EM, Damiano RJ Jr. Superior 12-hour heart preservation with pinacidil hyperpolarizing solution compared to University of Wisconsin solution. J Heart Lung Transplant 2001; 20: 1106-1114.
5. Steensrud T, Nordhaug D, Husnes KV, Aghajani E, Sorlie DG.. Replacing potassium with nicorandil in cold St. Thomas' Hospital cardioplegia improves preservation of energetics and function in pig hearts. Ann Thorac Surg 2004; 77: 1391-1397.
6. Ikizler M, Dernek S, Sevin B, Maxey TS, Kural T. Improved myocardial function with the addition of pinacidil to custadiol. Transplantation 2002; 74: 1666-1671.
7. Yin X, Shan Q, Deng C, Bourreau JP. Effect of SIN-1 in rat ventricular myocytes: interference with betaadrenergic stimulation. Life Sci 2002; 71: 287-297.
8. ATP channels in guinea-pig ventricular myocytes. Br J Pharmacol 2000; 131: 1097-1104.
9. Muraki K, Sasaoka A, Watanabe M, Imaizumi Y. Effects of KRN2391 on ionic currents in rabbit femoral arterial myocytes. Br J Pharmacol 2001; 132: 1154-1160.
10. Hamill OP, Marty A, Neher E, Sakmann B, Sigworth FJ. Improved patch-clamp techniques for high-resolution current recording from cells and cell-free membrane patches. Pflugers Arch 1981; 391: 85-100.
11. ATP channel openers. Trends Pharmacol Sci 2000; 21: 439-445.
12. Smits P. Cardiovascular effects of sulphonylurea derivatives. Diabetologia 1997; 40 Suppl 2: s160-s161.
13. + channels via pertussis-toxin- sensitive G-proteins. Cardiovasc Res 1997; 33: 123-130.
14. + channels. Basis for channel opening. J Gen Physiol 1998; 111: 381-394.
15. Patel DJ, Purcell HJ, Fox KM. Cardioprotection by opening of the K(ATP) channel in unstable angina. Is this a clinical manifestation of myocardial preconditioning? Results of a randomized study with nicorandil. CESAR 2 investigation. Clinical European studies in angina and revascularization. Eur Heart J 1999; 20: 51-57.
16. Sugimoto S, Puddu PE, Monti F, Schiariti M, Campa PP, Marino B. Pretreatment with the adenosine triphosphate-sensitive potassium channel opener nicorandil and improved myocardial protection during high-potassium cardioplegic hypoxia. J Thorac Cardiovasc Surg 1994; 108:455-466.
17. Qiu Y, Galinanes M, Hearse DJ. Protective effect of nicorandil as an additive to the solution for continuous warm cardioplegia. J Thorac Cardiovasc Surg 1995; 110 (4 Pt 1): 1063-1072.
18. Jayawant AM, Lawton JS, Hsia PW, Damiano RJ Jr. Hyperpolarized cardioplegic arrest with nicorandil: advantages over other potassium channel openers. Circulation 1997; 96 (9 Suppl): 11240-11246.
19. Cohen NM, Damiano RJ Jr, Wechsler AS. Is there an alternative to potassium arrest? Ann Thorac Surg 1995; 60: 858-863.
20. Jayawant M, Stephenson ER Jr, Damiano RJ Jr. Advantages of continuous hyperpolarized arrest with pinacidil over St. Thomas' Hospital solution during prolonged ischernia. J Thorac Cardiovasc Surg 1998; 116: 131-138.
21. Hoenicke EM, Peterseim DS, Ducko CT, Sun X, Damiano RJ. Donor heart preservation with the potassium channel opener pinacidil: comparison with University of Wisconsin and St. Thomas'solution. J Heart Lung Transplant 2000; 19: 286-297.
22. Yu T, Yu Z, Liu X, Yang S, Ye Y. Myocardial protection with pinacidil induced hyperpolarized arrest during cardiopulmonary bypass. Chin Med J 2001; 114: 1245-1248.
23. Chambers DJ, Hearse DJ. Developments in cardio protection: "Polarized" arrest as an alternative to "Depolarized" arrest. Ann Thorac Surg 1999; 68: 1960-1966.