Title : Ketoconazole as a possible universal inhibitor of cytochrome P-450 dependent enzymes: its mode of inhibition.

Pub. Date : 1987 Feb

PMID : 3111839






7 Functional Relationships(s)
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1 Ketoconazole as a possible universal inhibitor of cytochrome P-450 dependent enzymes: its mode of inhibition. Ketoconazole cytochrome P450 family 4 subfamily F member 3 Homo sapiens
2 Modes of inhibition and binding of ketoconazole, an orally antimycotic agent, to NADPH-cytochrome P-450 dependent enzymes were investigated using subcellular fractions of human and rat testes, human adrenocortical adenoma tissue and rat adrenals and livers. Ketoconazole cytochrome P450 family 4 subfamily F member 3 Homo sapiens
3 Kinetic studies indicated that ketoconazole bound to cytochrome P-450 and not to other components of monooxygenase systems. Ketoconazole cytochrome P450 family 4 subfamily F member 3 Homo sapiens
4 Spectrophotometric studies also revealed direct binding of ketoconazole to cytochrome P-450 component by inducing type II difference spectra in all tissue preparations examined, indicating that ketoconazole is possibly a universal inhibitor of NADPH-cytochrome P-450 dependent monooxygenases which are involved in metabolism of many substances including steroids, toxins, carcinogens and others. Ketoconazole cytochrome P450 family 4 subfamily F member 3 Homo sapiens
5 Spectrophotometric studies also revealed direct binding of ketoconazole to cytochrome P-450 component by inducing type II difference spectra in all tissue preparations examined, indicating that ketoconazole is possibly a universal inhibitor of NADPH-cytochrome P-450 dependent monooxygenases which are involved in metabolism of many substances including steroids, toxins, carcinogens and others. Ketoconazole cytochrome P450 family 4 subfamily F member 3 Homo sapiens
6 Spectrophotometric studies also revealed direct binding of ketoconazole to cytochrome P-450 component by inducing type II difference spectra in all tissue preparations examined, indicating that ketoconazole is possibly a universal inhibitor of NADPH-cytochrome P-450 dependent monooxygenases which are involved in metabolism of many substances including steroids, toxins, carcinogens and others. Ketoconazole cytochrome P450 family 4 subfamily F member 3 Homo sapiens
7 Spectrophotometric studies also revealed direct binding of ketoconazole to cytochrome P-450 component by inducing type II difference spectra in all tissue preparations examined, indicating that ketoconazole is possibly a universal inhibitor of NADPH-cytochrome P-450 dependent monooxygenases which are involved in metabolism of many substances including steroids, toxins, carcinogens and others. Ketoconazole cytochrome P450 family 4 subfamily F member 3 Homo sapiens