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|Title:||A comparison of some pharmacological actions of prostaglandin E1, 6-OXO-PGE1 and PGI2|
|Source:||Adaikan, P.G.,Tai, M.Y.,Lau, L.C.,Karim, S.M.M.,Kottegoda, S.R. (1984-04). A comparison of some pharmacological actions of prostaglandin E1, 6-OXO-PGE1 and PGI2. Prostaglandins 27 (4) : 505-516. ScholarBank@NUS Repository.|
|Abstract:||Some pharmacological actions of prostaglandin E1 (PGE1), 6-oxo-PGE1 and PGI2 have been studied. 6-oxo-PGE1 and PGI1 relaxed guinea-pig tracheal muscle in vitro and increased nasal patency in normal volunteers and in subjects with vasomotor rhinitis whereas PGI2 produced opposite effects. All three compounds produced bronchodilatation in the anaesthetised guinea-pig and relaxed human respiratory tract muscle in vitro. PGI2 was several times more potent than either 6-oxo-PGE1 or PGE1 against ADP-induced aggregation of human and baboon platelets in vitro. Intravenous 6-oxo-PGE1 in the baboon caused an ex vivo inhibition of platelet aggregation, but the EC5 was 7.8 times that of PGI2. As a vasodepressor in the baboon 6-oxo-PGE1 and PGE2 were equipotent. Thus with the exception of the vasodepressor effect, the actions of 6-oxo-PGE1 qualitatively and quantitatively resembled those of the structurally related PGE1 rather than those of PGI2. © 1984.|
|Appears in Collections:||Staff Publications|
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