Stimulation of splenic prostaglandin release by angiotensin and specific inhibition by cysteine8-AII

James R. Douglas, Eugene M. Johnson, Garland R. Marshall, Bernard M. Jaffe, Philip Needleman

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16 Scopus citations

Abstract

The angiotensin induced release of prostaglandin E (PGE) like material from the isolated perfused rabbit spleen was studied. The PG releasing potency of angiotensin I (AI) was found to be 2-4 % that of angiotensin II (AII). The PG release by AI was shown not to be due to the conversion of AI to AII, but rather to the direct effect of AI. Both AI and AII induced PG release were found to be inhibited by cysteine8-AII. The PG release by epinephrine was not blocked by the angiotensin antagonist. Indomethacin (an inhibitor of PG biosynthesis) blocked the PG release induced by angiotensin or epinephrine.

Original languageEnglish
Pages (from-to)67-74
Number of pages8
JournalProstaglandins
Volume3
Issue number1
DOIs
StatePublished - Jan 1973

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