Accession NumberHMDB04624
Common_Name7b-Hydroxydehydroepiandrosterone
Description7b-Hydroxydehydroepiandrosterone is one of the major metabolites of dehydroepiandrosterone. Dehydroepiandrosterone (DHEA) is a precursor of testosterone. DHEA) is 7a-hydroxylated by the cytochrome P450 7B1 (CYP7B1) in the human brain and liver. This produces 7a-hydroxy-DHEA that is a substrate for 11b-hydroxysteroid dehydrogenase type 1 (11b-HSD1) which exists in the same tissues and carries out the inter-conversion of 7a- and 7b-hydroxy-DHEA through a 7-oxo-intermediary. Both 7a-hydroxy-DHEA and 7b-hydroxy-DHEA competitively inhibited the cortisol oxidation, 7b-hydroxy-DHEA being seven times more potent in humans. Distinct species-specific routes of metabolism of DHEA and the interconversion of its metabolites obviate extrapolation of animal studies to humans. (PMID: 17467270, 12667489)
Chemical_IUPAC_Name(3S,7R,8R,9S,10R,13S,14S)-3,7-dihydroxy-10,13-dimethyl-1,2,3,4,7,8,9,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-17-one
Chemical FormulaC19H28O3
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