11beta-hydroxysteroid dehydrogenase and the pre-receptor regulation of corticosteroid hormone action

Nicole Draper, Paul Stewart

Research output: Contribution to journalArticle

300 Citations (Scopus)


Two isozymes of 11 beta-hydroxysteroid dehydrogenase (11 beta-HSD1 and 11 beta-HSD2) catalyse the interconversion of hormonally active cortisol and inactive cortisone. The enzyme evolved from a metabolic pathway to a novel mechanism underpinning human disease with the elucidation of the role of the type 2 or 'kidney' isozyine and in inherited form of hypertension, 'apparent mineralocorticoid excess'. 'Cushing's disease of the kidney' arises because of a failure of 11 beta-HSD2 to inactivate cortisol to cortisone resulting in cortisol-induced inineralocorticoid excess. Conversely, 11 beta-HSD1 has been linked to human obesity and insulin resistance, but also to other diseases in which glucocorticoids have historically been implicated (osteoporosis, glaucoma). Here, the activation of cortisol front cortisone facilitates glucocorticoid hormone action at an autocrine level. The molecular basis for the putative human 11 beta-HSD1 'knockout' - 'cortisone reductase deficiency' - has recently been described, an observation that also answers a long standing conundrum relating to the set-point of 11 beta-HSD1 activity. In each case, these clinical studies have been underpinned by studies in vitro and the manipulation of enzyme expression in vivo using recombinant mouse models.
Original languageEnglish
Pages (from-to)251-271
Number of pages21
JournalJournal of Endocrinology
Publication statusPublished - 1 Aug 2005


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