Title : Induction of CYP3As in HepG2 cells by several drugs. Association between induction of CYP3A4 and expression of glucocorticoid receptor.

Pub. Date : 2003 Apr

PMID : 12673034






3 Functional Relationships(s)
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1 In this study, we demonstrated the inductive effects of phenobarbital, rifampicin, carbamazepine, phenytoin, prednisolone, ciclosporin and clotrimazole on CYP3A4, CYP3A5 and CYP3A7 mRNA expression, and established the relationship between the expression of human glucocorticoid receptor alpha (hGR) mRNA and the induction of CYP3A4 mRNA in cultured HepG2 cells by reverse transcription polymerase chain reaction (RT-PCR). Phenobarbital cytochrome P450 family 3 subfamily A member 4 Homo sapiens
2 In this study, we demonstrated the inductive effects of phenobarbital, rifampicin, carbamazepine, phenytoin, prednisolone, ciclosporin and clotrimazole on CYP3A4, CYP3A5 and CYP3A7 mRNA expression, and established the relationship between the expression of human glucocorticoid receptor alpha (hGR) mRNA and the induction of CYP3A4 mRNA in cultured HepG2 cells by reverse transcription polymerase chain reaction (RT-PCR). Phenobarbital cytochrome P450 family 3 subfamily A member 4 Homo sapiens
3 However, phenytoin and phenobarbital gradually induced CYP3A4 mRNA level by 3 to 4-fold. Phenobarbital cytochrome P450 family 3 subfamily A member 4 Homo sapiens