Abstract
We studied the effects of endothelium-derived relaxing factor (EDRF), bovine retractor penis muscle inhibitory factor and sodium nitroprusside, three stimulants of guanylate cyclase, on the in vitro aggregation of washed human platelets. Platelet aggregation induced either by collagen or by the thromboxane A2 analogue U46619 was inhibited by all three agents. The anti-aggregatory effect of each agent was inhibited by haemoglobin. The anti-aggregatory effect of EDRF was potentiated by superoxide dismutase. These findings are discussed in relation to a potential role for EDRF in haemostasis.
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Selected References
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- Angus J. A., Campbell G. R., Cocks T. M., Manderson J. A. Vasodilatation by acetylcholine is endothelium-dependent: a study by sonomicrometry in canine femoral artery in vivo. J Physiol. 1983 Nov;344:209–222. doi: 10.1113/jphysiol.1983.sp014934. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Azuma H., Ishikawa M., Sekizaki S. Endothelium-dependent inhibition of platelet aggregation. Br J Pharmacol. 1986 Jun;88(2):411–415. doi: 10.1111/j.1476-5381.1986.tb10218.x. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Blackwell G. J., Radomski M., Vargas J. R., Moncada S. Prostacyclin prolongs viability of washed human platelets. Biochim Biophys Acta. 1982 Sep 17;718(1):60–65. doi: 10.1016/0304-4165(82)90009-5. [DOI] [PubMed] [Google Scholar]
- Bowman A., Drummond A. H. Cyclic GMP mediates neurogenic relaxation in the bovine retractor penis muscle. Br J Pharmacol. 1984 Apr;81(4):665–674. doi: 10.1111/j.1476-5381.1984.tb16133.x. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Bowman A., Gillespie J. S., Martin W. The inhibitory material in extracts from the bovine retractor penis muscle is not an adenine nucleotide. Br J Pharmacol. 1979 Nov;67(3):327–328. doi: 10.1111/j.1476-5381.1979.tb08683.x. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Bowman A., Gillespie J. S., Pollock D. Oxyhaemoglobin blocks non-adrenergic non-cholinergic inhibition in the bovine retractor penis muscle. Eur J Pharmacol. 1982 Nov 19;85(2):221–224. doi: 10.1016/0014-2999(82)90470-8. [DOI] [PubMed] [Google Scholar]
- De Mey J. G., Vanhoutte P. M. Role of the intima in cholinergic and purinergic relaxation of isolated canine femoral arteries. J Physiol. 1981 Jul;316:347–355. doi: 10.1113/jphysiol.1981.sp013792. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Furchgott R. F., Zawadzki J. V. The obligatory role of endothelial cells in the relaxation of arterial smooth muscle by acetylcholine. Nature. 1980 Nov 27;288(5789):373–376. doi: 10.1038/288373a0. [DOI] [PubMed] [Google Scholar]
- Gillespie J. S., Martin W. A smooth muscle inhibitory material from the bovine retractor penis and rat anococcygeus muscles. J Physiol. 1980 Dec;309:55–64. doi: 10.1113/jphysiol.1980.sp013493. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Gordon J. L., Martin W. Stimulation of endothelial prostacyclin production plays no role in endothelium-dependent relaxation of the pig aorta. Br J Pharmacol. 1983 Sep;80(1):179–186. doi: 10.1111/j.1476-5381.1983.tb11064.x. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Gorman R. R., Bunting S., Miller O. V. Modulation of human platelet adenylate cyclase by prostacyclin (PGX). Prostaglandins. 1977 Mar;13(3):377–388. doi: 10.1016/0090-6980(77)90018-1. [DOI] [PubMed] [Google Scholar]
- Griffith T. M., Edwards D. H., Lewis M. J., Newby A. C., Henderson A. H. The nature of endothelium-derived vascular relaxant factor. Nature. 1984 Apr 12;308(5960):645–647. doi: 10.1038/308645a0. [DOI] [PubMed] [Google Scholar]
- Gryglewski R. J., Palmer R. M., Moncada S. Superoxide anion is involved in the breakdown of endothelium-derived vascular relaxing factor. Nature. 1986 Apr 3;320(6061):454–456. doi: 10.1038/320454a0. [DOI] [PubMed] [Google Scholar]
- Holzmann S. Endothelium-induced relaxation by acetylcholine associated with larger rises in cyclic GMP in coronary arterial strips. J Cyclic Nucleotide Res. 1982;8(6):409–419. [PubMed] [Google Scholar]
- Levin R. I., Weksler B. B., Jaffe E. A. The interaction of sodium nitroprusside with human endothelial cells and platelets: nitroprusside and prostacyclin synergistically inhibit platelet function. Circulation. 1982 Dec;66(6):1299–1307. doi: 10.1161/01.cir.66.6.1299. [DOI] [PubMed] [Google Scholar]
- Lew R., Summers R. J. Autoradiographic localization of beta-adrenoceptor subtypes in guinea-pig kidney. Br J Pharmacol. 1985 Jun;85(2):341–348. doi: 10.1111/j.1476-5381.1985.tb08867.x. [DOI] [PMC free article] [PubMed] [Google Scholar]
- MacIntyre D. E., Pearson J. D., Gordon J. L. Localisation and stimulation of prostacyclin production in vascular cells. Nature. 1978 Feb 9;271(5645):549–551. doi: 10.1038/271549a0. [DOI] [PubMed] [Google Scholar]
- Martin W., Villani G. M., Jothianandan D., Furchgott R. F. Selective blockade of endothelium-dependent and glyceryl trinitrate-induced relaxation by hemoglobin and by methylene blue in the rabbit aorta. J Pharmacol Exp Ther. 1985 Mar;232(3):708–716. [PubMed] [Google Scholar]
- Murad F., Mittal C. K., Arnold W. P., Katsuki S., Kimura H. Guanylate cyclase: activation by azide, nitro compounds, nitric oxide, and hydroxyl radical and inhibition by hemoglobin and myoglobin. Adv Cyclic Nucleotide Res. 1978;9:145–158. [PubMed] [Google Scholar]
- POOLE J. C., SANDERS A. G., FLOREY H. W. The regeneration of aortic endothelium. J Pathol Bacteriol. 1958 Jan;75(1):133–143. doi: 10.1002/path.1700750116. [DOI] [PubMed] [Google Scholar]
- Pearson J. D., Slakey L. L., Gordon J. L. Stimulation of prostaglandin production through purinoceptors on cultured porcine endothelial cells. Biochem J. 1983 Jul 15;214(1):273–276. doi: 10.1042/bj2140273. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Rapoport R. M., Murad F. Agonist-induced endothelium-dependent relaxation in rat thoracic aorta may be mediated through cGMP. Circ Res. 1983 Mar;52(3):352–357. doi: 10.1161/01.res.52.3.352. [DOI] [PubMed] [Google Scholar]
- Schultz K., Schultz K., Schultz G. Sodium nitroprusside and other smooth muscle-relaxants increase cyclic GMP levels in rat ductus deferens. Nature. 1977 Feb 24;265(5596):750–751. doi: 10.1038/265750a0. [DOI] [PubMed] [Google Scholar]
- Takai Y., Kaibuchi K., Matsubara T., Nishizuka Y. Inhibitory action of guanosine 3', 5'-monophosphate on thrombin-induced phosphatidylinositol turnover and protein phosphorylation in human platelets. Biochem Biophys Res Commun. 1981 Jul 16;101(1):61–67. doi: 10.1016/s0006-291x(81)80010-1. [DOI] [PubMed] [Google Scholar]
- Tateson J. E., Moncada S., Vane J. R. Effects of prostacyclin (PGX) on cyclic AMP concentrations in human platelets. Prostaglandins. 1977 Mar;13(3):389–397. doi: 10.1016/0090-6980(77)90019-3. [DOI] [PubMed] [Google Scholar]
- Whittle B. J., Moncada S. Pharmacological interactions between prostacyclin and thromboxanes. Br Med Bull. 1983 Jul;39(3):232–238. doi: 10.1093/oxfordjournals.bmb.a071825. [DOI] [PubMed] [Google Scholar]
