Title : Glucocorticoid receptor-independent transcriptional induction of cytochrome P450 3A1 by metyrapone and its potentiation by glucocorticoid.

Pub. Date : 1996 Oct

PMID : 8863830






1 Functional Relationships(s)
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1 The CYP3A1 transcriptional inducer and glucocorticoid antagonist pregnenolone 16 alpha-carbonitrile at 100 microM blocks dexamethasone binding to the GR in 21-day-old rat liver soluble fractions but is less effective in 90-day-old rat liver soluble fractions in contrast with 10 microM glucocorticoid antagonist RU486, which is equally effective at blocking dexamethasone binding to the GR. Pregnenolone Carbonitrile cytochrome P450, family 3, subfamily a, polypeptide 23-polypeptide 1 Rattus norvegicus