Chemotactic peptide-induced arachidonic acid mobilization in human polymorphonuclear leukocytes.

Abstract

Human polymorphonuclear leukocytes prelabeled with tritiated arachidonic acid liberated radiolabeled products when exposed to the chemotactic peptide fMet-Leu-Phe. The effect was enhanced in the presence of phorbol-12-myristate 13-acetate or 1-oleoyl-2-acetyl glycerol; these agents activate phospholipid- and Ca2+-dependent protein kinase C. In contrast… (More)

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