Title : Induction of cytochrome P4503A by taxol in primary cultures of human hepatocytes.

Pub. Date : 1998 Jul 15

PMID : 9675018






10 Functional Relationships(s)
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1 Induction of cytochrome P4503A by taxol in primary cultures of human hepatocytes. Paclitaxel cytochrome P450 family 3 subfamily A member 4 Homo sapiens
2 In primary cultures of human hepatocytes, paclitaxel (Taxol), at pharmacological concentrations, was demonstrated to induce immunoreactive cytochrome P4503A (CYP3A). Paclitaxel cytochrome P450 family 3 subfamily A member 4 Homo sapiens
3 In primary cultures of human hepatocytes, paclitaxel (Taxol), at pharmacological concentrations, was demonstrated to induce immunoreactive cytochrome P4503A (CYP3A). Paclitaxel cytochrome P450 family 3 subfamily A member 4 Homo sapiens
4 In primary cultures of human hepatocytes, paclitaxel (Taxol), at pharmacological concentrations, was demonstrated to induce immunoreactive cytochrome P4503A (CYP3A). Paclitaxel cytochrome P450 family 3 subfamily A member 4 Homo sapiens
5 In primary cultures of human hepatocytes, paclitaxel (Taxol), at pharmacological concentrations, was demonstrated to induce immunoreactive cytochrome P4503A (CYP3A). Paclitaxel cytochrome P450 family 3 subfamily A member 4 Homo sapiens
6 In general, exposure to increasing concentrations of Taxol (0.2 to 10 microM) resulted in increases in immunoreactive CYP3A. Paclitaxel cytochrome P450 family 3 subfamily A member 4 Homo sapiens
7 In four of the cultures, treatment of hepatocytes with the lowest concentration of Taxol tested (0.2 microM) resulted in approximately two-fold increases in CYP3A. Paclitaxel cytochrome P450 family 3 subfamily A member 4 Homo sapiens
8 Taxol was almost as effective as rifampicin in inducing CYP3A in two of the cultures, but less effective than rifampicin in two other cultures. Paclitaxel cytochrome P450 family 3 subfamily A member 4 Homo sapiens
9 CYP3A4 mRNA was increased by Taxol. Paclitaxel cytochrome P450 family 3 subfamily A member 4 Homo sapiens
10 These results demonstrate that Taxol is a potent inducer of CYP3A in human hepatocytes. Paclitaxel cytochrome P450 family 3 subfamily A member 4 Homo sapiens