Effect of ergotamine on platelet prostaglandin synthesis--in vitro and in vivo experiments. 1981

F J Zijlstra, and E L Spierings, and J E Vincent
Department of Pharmacology and Neurosurgery, Erasmus University Faculty of Medicine, Rotterdam, The Netherlands.

We studied the effect of ergotamine on the formation of metabolites of [1 - 14C] arachidonic acid by human blood platelets incubated with ergotamine (10(-5) or 5.10(-5)M) in vitro or after 0.5 mg i.m. administration in vivo. The in vitro experiments confirmed our earlier observation that ergotamine inhibits prostaglandin synthesis. This effect, however, seemed to be restricted to the toxic dose range of the drug as in vivo it occurred only in those subjects who became nauseated or vomited after administration of the drug.

UI MeSH Term Description Entries
D008297 Male Males
D011453 Prostaglandins A group of compounds derived from unsaturated 20-carbon fatty acids, primarily arachidonic acid, via the cyclooxygenase pathway. They are extremely potent mediators of a diverse group of physiological processes. Prostaglandin,Prostanoid,Prostanoids
D001792 Blood Platelets Non-nucleated disk-shaped cells formed in the megakaryocyte and found in the blood of all mammals. They are mainly involved in blood coagulation. Platelets,Thrombocytes,Blood Platelet,Platelet,Platelet, Blood,Platelets, Blood,Thrombocyte
D004878 Ergotamine A vasoconstrictor found in ergot of Central Europe. It is a serotonin agonist that has been used as an oxytocic agent and in the treatment of MIGRAINE DISORDERS. Ergotamine Tartrate,Cornutamine,Ergo Sanol,Ergo-Kranit,Ergodryl Mono,Ergomar,Ergostat,Ergotamine Tartrate (2:1),Ergotaminine,Gynergen,Lingraine,Ergo Kranit,Mono, Ergodryl,Tartrate, Ergotamine
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000293 Adolescent A person 13 to 18 years of age. Adolescence,Youth,Adolescents,Adolescents, Female,Adolescents, Male,Teenagers,Teens,Adolescent, Female,Adolescent, Male,Female Adolescent,Female Adolescents,Male Adolescent,Male Adolescents,Teen,Teenager,Youths
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults

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