Title : CYP7B1-mediated metabolism of 5alpha-androstane-3alpha,17beta-diol (3alpha-Adiol): a novel pathway for potential regulation of the cellular levels of androgens and neurosteroids.

Pub. Date : 2009 Dec

PMID : 19732851






5 Functional Relationships(s)
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1 CYP7B1-mediated metabolism of 5alpha-androstane-3alpha,17beta-diol (3alpha-Adiol): a novel pathway for potential regulation of the cellular levels of androgens and neurosteroids. Androstane-3,17-diol cytochrome P450 family 7 subfamily B member 1 Homo sapiens
2 The current study presents data indicating that 5alpha-androstane-3alpha,17beta-diol (3alpha-Adiol) undergoes a previously unknown metabolism into hydroxymetabolites, catalyzed by CYP7B1. Androstane-3,17-diol cytochrome P450 family 7 subfamily B member 1 Homo sapiens
3 3alpha-Adiol was found to undergo NADPH-dependent metabolism into 6- and 7-hydroxymetabolites in incubations with porcine microsomes and human kidney-derived HEK293 cells, which are high in CYP7B1 content. Androstane-3,17-diol cytochrome P450 family 7 subfamily B member 1 Homo sapiens
4 In addition, 3alpha-Adiol significantly suppressed CYP7B1-mediated catalytic reactions, in a way as would be expected for substrates that compete for the same enzyme. Androstane-3,17-diol cytochrome P450 family 7 subfamily B member 1 Homo sapiens
5 Recombinant expression of human CYP7B1 in HEK293 cells significantly increased the rate of 3alpha-Adiol hydroxylation. Androstane-3,17-diol cytochrome P450 family 7 subfamily B member 1 Homo sapiens