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Ronis MJ, Ingelman-Sundberg M, Badger TM: Induction, suppression and inhibition of multiple hepatic cytochrome P450 isozymes in the male rat and bobwhite quail (Colinus virginianus) by ergosterol biosynthesis inhibiting fungicides (EBIFs). Biochem Pharmacol. 1994 Nov 16;48(10):1953-65.
In the current study, we examined the effects of two EBIFs in clinical use, clotrimazole and ketoconazole, and two agricultural EBIFs, propiconazole and vinclozolin, on hepatic monooxygenase activities and P450 apoprotein expression in the male Sprague-Dawley rat and the male bobwhite quail.
The induction response also appeared to be mixed, but in this case consisted of a 5-fold induction of P450s in gene family 1A, a 3-fold induction of P450s in gene family 3A and 4A, and induction of protein (s) from gene family 2, cross-reactive with antisera against rat CYP 2C11 and CYP 2A1. |
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