Functional activity of Ca2+-dependent K+ channels is increased in basilar artery during chronic hypertension

American Journal of Physiology - Heart and Circulatory Physiology

Volumn 272, Issue 3 41-3, 1997, Pages

  Paternò, Roberto ^a   Heistad, Donald D ^a   Faraci, Frank M ^a  

^a UNIVERSITY OF IOWA   (United States)

Author keywords

iberiotoxin; N(G) nitro L arginine methyl ester; serotonin; stroke prone spontaneously hypertensive rat; tetraethylammonium

Indexed keywords

15 HYDROXY 11ALPHA,9ALPHA EPOXYMETHANOPROSTA 5,13 DIENOIC ACID; CALCIUM ION; IBERIOTOXIN; N(G) NITROARGININE METHYL ESTER; NITRIC OXIDE SYNTHASE INHIBITOR; POTASSIUM CHANNEL; POTASSIUM CHANNEL BLOCKING AGENT; POTASSIUM ION; SEROTONIN; TETRYLAMMONIUM; CALCIUM; DRUG DERIVATIVE; PEPTIDE; PROSTAGLANDIN ENDOPEROXIDE; THROMBOXANE A2; VASOCONSTRICTOR AGENT; WASP VENOM;

ANIMAL MODEL; ARTERIAL PRESSURE; ARTERY DIAMETER; ARTICLE; BASILAR ARTERY; CALCIUM CELL LEVEL; CHRONIC DISEASE; CONTROLLED STUDY; ENZYME INHIBITION; HYPERTENSION; NONHUMAN; PRIORITY JOURNAL; RAT; SPONTANEOUSLY HYPERTENSIVE RAT; STROKE; VASCULAR SMOOTH MUSCLE; ANIMAL; DRUG EFFECT; MUSCLE CONTRACTION; PATHOPHYSIOLOGY; PHYSIOLOGY; VASOCONSTRICTION; WISTAR KYOTO RAT;

15-HYDROXY-11 ALPHA,9 ALPHA-(EPOXYMETHANO)PROSTA-5,13-DIENOIC ACID; ANIMALS; BASILAR ARTERY; CALCIUM; HYPERTENSION; MUSCLE CONTRACTION; PEPTIDES; POTASSIUM CHANNEL BLOCKERS; POTASSIUM CHANNELS; PROSTAGLANDIN ENDOPEROXIDES, SYNTHETIC; RATS; RATS, INBRED SHR; RATS, INBRED WKY; SEROTONIN; TETRAETHYLAMMONIUM; TETRAETHYLAMMONIUM COMPOUNDS; THROMBOXANE A2; VASOCONSTRICTION; VASOCONSTRICTOR AGENTS; WASP VENOMS;

EID: 0031087753     PISSN: 03636135     EISSN: None     Source Type: Journal    
DOI: 10.1152/ajpheart.1997.272.3.h1287     Document Type: Article

References (27)

1. + channels in resting state carotid arteries from SHR. Am. J. Physiol. 265 (Heart Circ. Physiol. 34): H843-H851, 1993.
2. + channels in resting state of femoral arteries from spontaneously hypertensive rats at prehypertensive stage. J. Pharmacol. Exp. Ther. 275: 775-783, 1995.
3. Brayden, J. E., and M. T. Nelson. Regulation of arterial tone by activation of calcium-dependent potassium channels. Science 256: 532-535, 1992.
4. + channels. Am. J. Physiol 267 (Heart Circ. Physiol. 36): H1455-H1460, 1994.
5. Davis, M. J., G. A. Meininger, and D. C. Zawieja. Stretch-induced increases in intracellular calcium of isolated vascular smooth muscle cells. Am. J. Physiol. 263 (Heart Circ. Physiol. 32): H1292-H1299, 1992.
6. + current in arterial membranes from genetically hypertensive. Am. J. Physiol. 264 (Heart Circ. Physiol. 33): H1337-H1345, 1993.
7. Faraci, F. M., D. D. Heistad, and W. G. Mayhan. Role of large arteries in regulation of blood flow to brain stem in cats. J. Physiol. (Lond.) 387: 115-123, 1987.
8. Galvez, A., G. Gimenez-Gallego, J. P. Reuben, L. Roy-Contancin, P. Feigenbaum, G. J. Kaczorowski, and M. L. Garcia. Purification and characterization of a unique, potent, peptidyl probe for the high conductance calcium-activated potassium channel from venom of the scorpion Bithus talamus. J. Biol. Chem. 256: 11083-11090, 1990.
9. + channels in cat cerebral arterial muscle cell membranes. Pflügers Arch. 428: 621-630, 1994.
10. Kitazono, T., F. M. Faraci, H. Taguchi, and D. D. Heistad. Role of potassium channels in cerebral blood vessels. Stroke 26: 1713-1726, 1995.
11. + channels in rabbit myogenic cerebral arteries. Am. J. Physiol. 269 (Heart Circ. Physiol. 38): H348-H355, 1995.
12. Kolias, T. J., S. Chai, and R. C. Webb. Potassium channel antagonists and vascular reactivity in stroke-prone spontaneously hypertensive rats. Am. J. Hypertens. 6: 528-533, 1993.
13. Kontos, H. A., E. P. Wei, R. M. Navari, J. E. LeVasseur, W. I. Rosenblum, and J. L. Patterson, Jr. Responses of cerebral arteries and arterioles to acute hypotension and hypertension. Am. J. Physiol. 234 (Heart Circ. Physiol. 3): H371-H383, 1978.
14. Kuriyama, H., K. Kitamura, and H. Nabata. Pharmacological and physiological significance of ion channels and factors that modulate them in vascular tissues. Pharmacol. Rev. 47: 387-573, 1995.
15. Laher, I., C. Van Breemen, and J. A. Bevan. Stretch-dependent calcium uptake associated with myogenic tone in rabbit facial vein. Circ. Res. 63: 669-672, 1988.
16. + current in arterial smooth muscle cells from aldosterone-salt hypertensive rats. Am. J. Physiol. 269 (Heart Circ. Physiol. 38): H1246-H1257, 1995.
17. Lograno, M. D., E. Daniele, V. Vulpis, and A. Pirelli. Calcium channels in the vascular smooth muscle of spontaneously hypertensive rats. J. Hypertens. 11, Suppl. 50: S124-S125, 1993.
18. Mayhan, W. G. Response of the basilar artery to products released by platelets during chronic hypertension. Brain Res. 545: 97-102, 1991.
19. Meininger, G. A., and M. J. Davis. Cellular mechanisms involved in the vascular myogenic response. Am. J. Physiol. 263 (Heart Circ. Physiol. 32): H647-H659, 1992.
20. 2+-activated potassium channels and ATP-sensitive potassium channels as modulators of vascular tone. Trends Cardiovasc. Med. 3: 54-60, 1993.
21. Nelson, M. T., H. Cheng, M. Rubart, L. F. Santana, A. D. Bonev, H. J. Knot, and W. J. Lederer. Relaxation of arterial smooth muscle by calcium sparks. Science 270: 633-637, 1995.
22. Nelson, M. T., J. B. Patlak, J. F. Worley, and N. B. Standen. Calcium channels, potassium channels, and voltage dependence of arterial smooth muscle tone. Am. J. Physiol. 259 (Cell Physiol. 28): C3-C18, 1990.
23. Nishiye, E., K. Nakao, I. Itoh, and H. Kuriyama. Factors inducing endothelium-dependent relaxation in the guinea pig basilar artery as estimated from the actions of haemoglobin. Br. J. Pharmacol. 96: 645-655, 1989.
24. Rusch, N. J., and A. M. Runnels. Remission of high blood pressure reverses arterial potassium channel alterations. Hypertension 23: 941-945, 1994.
25. Smith, J. M., and A. W. Jones. Calcium antagonists inhibit elevated potassium efflux from aorta of aldosterone-salt hypertensive rats. Hypertension 15: 78-83, 1990.
26. Worley, J. F., J. M. Quayle, N. B. Standen, and M. T. Nelson. Regulation of single calcium channels in cerebral arteries by voltage, serotonin, and dihydropyridines. Am. J. Physiol. 261 (Heart Circ. Physiol. 30): H1951-H1960, 1991.
27. Yokota, Y., Y. Imaizumi, M. Asano, T. Matsuda, and M. Watanabe. Endothelium-derived relaxing factor released by 5-HT: distinct from nitric oxide in basilar arteries of normotensive and hypertensive rats. Br. J. Pharmacol. 113: 324-330, 1994.