Biosynthesis of prostaglandins from 17(18)epoxy-eicosatetraenoic acid, a cytochrome P-450 metabolite of eicosapentaenoic acid.


Eicosapentaenoic acid (20:5(n - 3)) is oxygenated to 17S(18R)epoxyeicosatetraenoic acid (EpETE) by microsomes of monkey seminal vesicles, which also are rich in prostaglandin (PG) H synthase. The metabolism of racemic [14C]17(18)EpETE by PGH synthase of sheep vesicular glands was investigated in the present report. The two main metabolites were identified… (More)


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