PMID: 6413981Aug 1, 1983Paper

Effects of bradykinin and bovine serum albumin on arachidonic acid and prostaglandin release from perfused rat heart

Prostaglandins, Leukotrienes, and Medicine
J Paul, J E Kinsella

Abstract

The isolated perfused rat heart was used to study if arachidonic acid (AA) release affected prostaglandin (PG) production. The perfused heart avidly absorbed and esterified exogenous AA, mostly into polar lipids. The administration of bradykinin (BK) after prelabeling with 1-C14-AA caused a two-fold increase in the amount of AA released. Bovine serum albumin (BSA) stimulated release 2.5-fold. Perfusion with AA saturated BSA enhanced the release of 1-14C-AA 23-fold indicating the presence of an active deacylation/reacylation system in rat heart. BK caused a four-fold increase whereas BSA had no effect on the amount of prostaglandins released from perfused heart indicating that BK acted on a specific AA pool available to cyclooxygenase whereas the BSA stimulated a separate pool of AA which apparently was not available to the cyclooxygenase.

References

Jan 1, 1979·Annual Review of Physiology·W E Lands
Jul 9, 1979·Life Sciences·A Nasjletti, K U Malik
Jun 1, 1977·Prostaglandins·W HsuehP Needleman
Dec 18, 1968·Biochimica Et Biophysica Acta·J E Kinsella
Nov 21, 1968·Annals of the New York Academy of Sciences·A A Spector
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Sep 1, 1961·The Journal of Physiology·P ZACHARIAH
Oct 1, 1963·The American Journal of Physiology·J R EVANSJ C SHIPP

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Citations

Jan 1, 1986·Toxicon : Official Journal of the International Society on Toxinology·P L BarringtonP Rosenberg
Jan 1, 1990·Toxicon : Official Journal of the International Society on Toxinology·A Y NassarS A Rahim
Apr 1, 1989·Journal of Neurosurgery·A BaethmannO Kempski

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