Mechanism of inhibitory action of ethanol on endothelium-dependent relaxation in rat aorta
Using isolated rat aortic strips, we investigated the inhibitory effect of ethanol on endothelium-dependent relaxation induced by acetylcholine, especially on the mediated by endothelium-derived relaxing factor. Ethanol depressed the relaxation induced by acetylcholine and inhibited the increase in...
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Published in | European journal of pharmacology Vol. 238; no. 2; pp. 441 - 444 |
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Main Authors | , , |
Format | Journal Article |
Language | English |
Published |
Amsterdam
Elsevier B.V
20.07.1993
Elsevier |
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Abstract | Using isolated rat aortic strips, we investigated the inhibitory effect of ethanol on endothelium-dependent relaxation induced by acetylcholine, especially on the mediated by endothelium-derived relaxing factor. Ethanol depressed the relaxation induced by acetylcholine and inhibited the increase in the content of intravascular cyclic GMP induced by acetylcholine, but not that induced by sodium nitroprusside or calcimycin. Ethanol also inhibited the acetylcholine-induced relaxation resistant to nitro-L-arginine. These results suggest that ethanol can inhibit the cyclic GMP-dependent relaxation mediated by endothelium-derived relaxing factor. Furthermore, ethanol seems to depress the cyclic GMP-independent relaxation mechanism. |
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AbstractList | Using isolated rat aortic strips, we investigated the inhibitory effect of ethanol on endothelium-dependent relaxation induced by acetylcholine, especially on that mediated by endothelium-derived relaxing factor. Ethanol depressed the relaxation induced by acetylcholine and inhibited the increase in the content of intravascular cyclic GMP induced by acetylcholine, but not that induced by sodium nitroprusside or calcimycin. Ethanol also inhibited the acetylcholine-induced relaxation resistant to nitro-L-arginine. These results suggest that ethanol can inhibit the cyclic GMP-dependent relaxation mediated by endothelium-derived relaxing factor. Furthermore, ethanol seems to depress the cyclic GMP-independent relaxation mechanism. Using isolated rat aortic strips, we investigated the inhibitory effect of ethanol on endothelium-dependent relaxation induced by acetylcholine, especially on the mediated by endothelium-derived relaxing factor. Ethanol depressed the relaxation induced by acetylcholine and inhibited the increase in the content of intravascular cyclic GMP induced by acetylcholine, but not that induced by sodium nitroprusside or calcimycin. Ethanol also inhibited the acetylcholine-induced relaxation resistant to nitro-L-arginine. These results suggest that ethanol can inhibit the cyclic GMP-dependent relaxation mediated by endothelium-derived relaxing factor. Furthermore, ethanol seems to depress the cyclic GMP-independent relaxation mechanism. |
Author | Wakabayashi, Ichiro Hishida, Shigeru Hatake, Katsuhiko |
Author_xml | – sequence: 1 givenname: Katsuhiko surname: Hatake fullname: Hatake, Katsuhiko organization: Department of Hygiene, Hyogo College of Medicine, 1-1 Mukogawa-cho, Nishinomiya, Hyogo 663, Japan – sequence: 2 givenname: Ichiro surname: Wakabayashi fullname: Wakabayashi, Ichiro organization: Department of Legal Medicine, Hyogo College of Medicine, 1-1 Mukogawa-cho, Nishinomiya, Hyogo 663, Japan – sequence: 3 givenname: Shigeru surname: Hishida fullname: Hishida, Shigeru organization: Department of Legal Medicine, Hyogo College of Medicine, 1-1 Mukogawa-cho, Nishinomiya, Hyogo 663, Japan |
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Cites_doi | 10.1113/jphysiol.1989.sp017522 10.1161/01.RES.53.5.557 10.1152/ajplegacy.1970.219.6.1698 10.1113/jphysiol.1992.sp018928 10.1161/01.HYP.13.6.964 10.1161/01.RES.65.1.1 10.1111/j.2042-7158.1990.tb06599.x 10.1146/annurev.pa.24.040184.001135 10.1016/0014-2999(89)90788-7 |
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Keywords | Aorta Acetylcholine Ethanol Rat Vasorelaxation Endothelium Rodentia 3',5'-GMP Smooth muscle In vitro Parasympathomimetic Relaxation Vertebrata Mammalia Animal Blood vessel Circulatory system Endothelium derived relaxing factor Inhibition Mechanism of action |
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References | Hatake, Wakabayashi, Kakishita, Taniguchi, Ouchi, Sakaki, Hishida (BIB6) 1989; 168 Furchgott (BIB5) 1984; 24 Ignarro (BIB7) 1989; 65 Komori, Vanhoutte (BIB8) 1990; 27 Chen, Suzuki (BIB2) 1989; 410 Nagao, Vanhoutte (BIB10) 1992; 445 Wakabayashi, Hatake, Kakishita, Hishida (BIB12) 1990; 42 Furchgott (BIB4) 1983; 53 Altula, Altula (BIB1) 1970; 219 Richard, Tanner, Tschudi, Luscher (BIB11) 1990; 259 Criscione, Powell, Burdet, Engesser, Schlager, Schoepfer (BIB3) 1989; 13 Moncada, Palmer, Higgs (BIB9) 1991; 43 Furchgott (10.1016/0014-2999(93)90883-J_BIB5) 1984; 24 Furchgott (10.1016/0014-2999(93)90883-J_BIB4) 1983; 53 Moncada (10.1016/0014-2999(93)90883-J_BIB9) 1991; 43 Chen (10.1016/0014-2999(93)90883-J_BIB2) 1989; 410 Komori (10.1016/0014-2999(93)90883-J_BIB8) 1990; 27 Altula (10.1016/0014-2999(93)90883-J_BIB1) 1970; 219 Nagao (10.1016/0014-2999(93)90883-J_BIB10) 1992; 445 Hatake (10.1016/0014-2999(93)90883-J_BIB6) 1989; 168 Wakabayashi (10.1016/0014-2999(93)90883-J_BIB12) 1990; 42 Criscione (10.1016/0014-2999(93)90883-J_BIB3) 1989; 13 Ignarro (10.1016/0014-2999(93)90883-J_BIB7) 1989; 65 Richard (10.1016/0014-2999(93)90883-J_BIB11) 1990; 259 |
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Res. doi: 10.1161/01.RES.53.5.557 contributor: fullname: Furchgott – volume: 259 start-page: H1433 year: 1990 ident: 10.1016/0014-2999(93)90883-J_BIB11 article-title: Different activation of L-arginine pathway by bradykinin, serotonin, and clonidine in coronary arteries publication-title: Am. J. Physiol. contributor: fullname: Richard – volume: 219 start-page: 1698 year: 1970 ident: 10.1016/0014-2999(93)90883-J_BIB1 article-title: Differential effects of substrate depletion on drug-induced contractions of rabbit aorta publication-title: Am. J. Physiol. doi: 10.1152/ajplegacy.1970.219.6.1698 contributor: fullname: Altula – volume: 445 start-page: 355 year: 1992 ident: 10.1016/0014-2999(93)90883-J_BIB10 article-title: Hyperpolarization as a mechanism for endothelium-dependent relaxations in the porcine coronary artery publication-title: J. 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Res. doi: 10.1161/01.RES.65.1.1 contributor: fullname: Ignarro – volume: 42 start-page: 477 year: 1990 ident: 10.1016/0014-2999(93)90883-J_BIB12 article-title: Influence of the endothelium on vascular responses of aortae from endotoxic rats publication-title: J. Pharm. Pharmacol. doi: 10.1111/j.2042-7158.1990.tb06599.x contributor: fullname: Wakabayashi – volume: 24 start-page: 175 year: 1984 ident: 10.1016/0014-2999(93)90883-J_BIB5 article-title: The role of endothelium in responses of vascular smooth muscle to drugs publication-title: Annu. Rev. Pharmacol. Toxicol. doi: 10.1146/annurev.pa.24.040184.001135 contributor: fullname: Furchgott – volume: 168 start-page: 277 year: 1989 ident: 10.1016/0014-2999(93)90883-J_BIB6 article-title: Inhibitory effect of ethanol on endothelium-dependent vascular responsiveness publication-title: Eur. J. Pharmacol. doi: 10.1016/0014-2999(89)90788-7 contributor: fullname: Hatake |
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SubjectTerms | Acetylcholine Acetylcholine - pharmacology Alcoholism and acute alcohol poisoning Animals Aorta Aorta, Thoracic - drug effects Aorta, Thoracic - physiology Arginine - analogs & derivatives Arginine - pharmacology Biological and medical sciences Calcimycin - pharmacology Cyclic GMP - metabolism Endothelium Endothelium, Vascular - drug effects Ethanol Ethanol - pharmacology In Vitro Techniques Male Medical sciences Muscle Relaxation - drug effects Muscle, Smooth, Vascular - drug effects Muscle, Smooth, Vascular - physiology Nitric Oxide - physiology Nitroarginine Nitroprusside - pharmacology Rat Rats Rats, Wistar Toxicology Vasorelaxation |
Title | Mechanism of inhibitory action of ethanol on endothelium-dependent relaxation in rat aorta |
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