Differential sensitivity of atrial and ventricular KATP channels to metabolic inhibition

Cardiovascular Research

Volumn 57, Issue 2, 2003, Pages 468-476

  Poitry, Serge ^a   Van Bever, Laurianne ^a   Coppex, Fabrice ^a   Roatti, Angela ^a   Baertschi, Alex J ^a  

^a UNIVERSITY OF GENEVA   (Switzerland)

Author keywords

Atrial function; K ATP channel; Membrane currents; Myocytes

Indexed keywords

ADENOSINE DIPHOSPHATE; ADENOSINE TRIPHOSPHATE; DIAZOXIDE; GRAMICIDIN; POTASSIUM CHANNEL;

ANIMAL CELL; ARTICLE; CELL CULTURE; CELL STIMULATION; CONTROLLED STUDY; HEART ATRIUM; HEART MITOCHONDRION; HEART MUSCLE CELL; HEART VENTRICLE; METABOLIC INHIBITION; NEWBORN; NONHUMAN; PATCH CLAMP; PIPETTE; PRIORITY JOURNAL; RAT;

ADENOSINE TRIPHOSPHATE; ANIMALS; ANIMALS, NEWBORN; CARBONYL CYANIDE M-CHLOROPHENYL HYDRAZONE; CELLS, CULTURED; DIAZOXIDE; DOSE-RESPONSE RELATIONSHIP, DRUG; DRUG SYNERGISM; GRAMICIDIN; HEART ATRIA; HEART VENTRICLES; ION CHANNEL GATING; IONOPHORES; MEMBRANE POTENTIALS; MYOCYTES, CARDIAC; PATCH-CLAMP TECHNIQUES; POTASSIUM CHANNELS; RATS; VASODILATOR AGENTS;

EID: 0037307339     PISSN: 00086363     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0008-6363(02)00715-0     Document Type: Article

References (25)

1. +-channels in cardiac muscle. Nature. 305:1983;147-148.
2. + channels in pancreatic, cardiac and vascular smooth muscle cells. Am J Physiol. 274:1998;C25-C37.
3. Seino S. ATP-sensitive potassium channels: a model of heteromultimeric potassium channel/receptor assemblies. Annu Rev Physiol. 61:1999;337-362.
4. Aguilar-Bryan L., Bryan J. Molecular biology of adenosine triphosphate-sensitive potassium channels. Endocr Rev. 20:(2):1999;101-135.
5. ATP channels. Annu Rev Physiol. 60:1998;667-687.
6. + channels. Possible mechanism of cardioprotection. Circ Res. 81:1997;1072-1082.
7. Babenko A.P., Gonzalez G., Aguilar-Bryan L., Bryan J. Reconstituted human cardiac K-ATP channels: functional identity with the native channels from the sarcolemma of human ventricular cells. Circ Res. 30:1998;1132-1143.
8. ATP current in cultured neonatal rat atrial appendage cardiomyocytes. Circ Res. 85:1999;707-715.
9. Ogbaghebriel A., Shrier A. Differential responsiveness of atrial and ventricular myocytes to potassium channel openers. J Cardiovasc. Pharmacol. 25:1995;65-74.
10. D'hahan N., Moreau C., Prost A.L., et al. Pharmacological plasticity of cardiac ATP-sensitive potassium channels toward diazoxide revealed by ADP. Proc Natl Acad Sci USA. 96:(21):1999;12162-12167.
11. + loss during hypoxia, ischemia, and metabolic inhibition in mammalian ventricle. Circ Res. 69:1991;623-637.
12. ATP channel activity by diazoxide and MgADP. Distinct functions of the two nucleotide binding folds of the sulfonylurea receptor. J Gen Physiol. 110:(6):1997;643-654.
13. + channels. Circ. Res. 87:2000;873-880.
14. D'Hahan N., Jacquet H., Moreau C., Catty P., Vivaudou M. A transmembrane domain of the sulfonylurea receptor mediates activation of ATP-sensitive K(+) channels by K(+) channel openers. Mol Pharmacol. 56:(2):1999;308-315.
15. + channel opening drugs. Am J Physiol. 269:1995;C525-545.
16. Kyrozis A., Reichling D.B. Perforated-patch recording with gramicidin avoids artifactual changes in intracellular chloride concentration. J Neurosci. Methods. 57:1995;27-35.
17. Tajima Y., Ono K., Akaike N. Perforated patch-clamp recording in cardiac myocytes using cation-selective ionophore gramicidin. Am J Physiol. 271:1996;C524-532.
18. Jiao J.H., Baumann P., Baron A., et al. Sulfonylurea receptor ligands modulate stretch-induced ANF secretion in rat atrial myocyte culture. Am J Physiol Heart Circ Physiol. 278:2000;H2028-2038.
19. Baertschi A.J., Monnier D., Schmidt U., et al. Acid prohormone sequence determines size, shape, and docking of secretory vesicles in atrial myocytes. Circ Res. 89:2001;E23-E29.
20. Sadoshima J., Jahn L., Takahashi T., Kulik T.J., Izumo S. Molecular characterization of the stretch-induced adaptation of cultured cardiac cells. J Biol Chem. 267:1992;10551-10560.
21. Push M., Neher E. Rates of diffusional exchange between small cells and a measuring patch pipette. Pflugers Arch. 411:1988;204-211.
22. ATP current in rat atrial myocytes. Am J Physiol Heart Circ Physiol. 280:2001;H1058-H1065.
23. ATP channels shape triggered calcium transients in metabolically impaired rat atrial myocytes. Am J Physiol Heart Circ Physiol 2002, in press.
24. Schaub M.C., Hefti M.A., Harder B.A., Eppenberger H.M. Various hypertrophic stimuli induce distinct phenotypes in cardiomyocytes. J Mol Med. 75:1997;901-920.
25. ATP channels. J Biol Chem. 276:2001;49083-49092.