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Research Article| Volume 36, ISSUE 1, P9-14, April 1989

Effects of prostaglandin E2 and D2 on the release of vasopressin and oxytocin

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      Abstract

      The effects of prostaglandin(PG) E2 and D2 on the plasma levels of argininevasopressin(AVP) and oxytocin(OXT) in rabbits, and on the release of the both hormones from the isolated posterior pituitary of rats were examined. An intraventricular administration of PGE2 to a rabbit raised the plasma levels of the both hormones. An intraventricular injection of PGD2 also increased the plasma level of OXT but not that of AVP. The release of AVP and OXT from fragments of the posterior pituitary of a rat was not influenced by perfusion with Eagle MEM medium containing 10−6 or 10−5 M PGE2 and D2.
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