Augmentation of prostaglandin production by linoleic acid in man

M. Epstein, M. Lifschitz, K. Rappaport

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36 Scopus citations


Since several lines of evidence have suggested that a diminution of endogenous prostaglandins (PG) may participate in the pathogenesis of a variety of disease states, it would be advantageous to develop therapeutic approaches that augment endogenous prostaglandin synthesis. Since linoleic acid is readily converted to arachidonic acid, we assessed the effects of linoleic acid administration on immunoassayable PGE and 6-oxo-PGF1(α) excretion as indices of PGE2 and PGI2 production. Six normal subjects were studied twice: during a seated control study and during an 8 h infusion of a 10% emulsion of safflower oil (Liposyn) containing approx. 77% linoleid acid, in a dose of 1.5 g/kg body weight. Liposyn induced a profound increase in immunoassayable 6-oxo-PGF1(α)excretion. Simultaneously, immunoassayable PGE excretion increased modestly. The current study raises the possibility that linoleic acid administration might constitute a new therapeutic approach in managing disorders characterized by an impairment of the ability to augment prostaglandin synthesis.

Original languageEnglish (US)
Pages (from-to)565-571
Number of pages7
JournalClinical science
Issue number6
StatePublished - 1982
Externally publishedYes

ASJC Scopus subject areas

  • Medicine(all)


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