Glucocorticoids and fatty acid metabolism in humans: fuelling fat redistribution in the metabolic syndrome

David P. Macfarlane, Shareen Forbes, Brian R. Walker

    Research output: Contribution to journalReview articlepeer-review

    294 Citations (Scopus)


    Glucocorticoid hormones constitute an integral component of the response to stress, and many of the manifestations of glucocorticoid excess (Cushing's syndrome) are predictable on the basis of their acute effects to raise blood pressure, induce insulin resistance, increase protein catabolism and elevate plasma glucose. However, it appears to be a paradox that the acute lipolytic effect of glucocorticoids is not manifest in long-term weight loss in humans. The effects of glucocorticoids on glucose inetabolism are well characterised, involving impaired peripheral glucose uptake and hepatic insulin resistance, and there is mounting evidence that subtle abnormalities in glucocorticoid concentrations in the plasma and/or in tissue sensitivity to glucocorticoids are important in metabolic syndroine. The I effects of glucocorticoids on fatty acid metabolism are less well understood than their influence on glucose metabolism. In this article, we review the literature describing the effects of glucocorticoids on fatty acid metabolism, with particular reference to ill Vi[A) human studies. We consider the implications for contrasting acute Versus chronic effects of glucocorticoids on fat accumulation, effects in different adipose depots and the potential role of glucocorticoid signalling in the pathogenesis and therapy of metabolic syndrome.

    Original languageEnglish
    Pages (from-to)189-204
    Number of pages16
    JournalJournal of Endocrinology
    Issue number2
    Publication statusPublished - May 2008


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