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Hormonal requirements for the induction of cytochrome P-450 in hepatocytes cultured in a serum-free medium 总被引:11,自引:0,他引:11
J F Sinclair P R Sinclair H L Bonkowsky 《Biochemical and biophysical research communications》1979,86(3):710-717
Drug mediated induction of cytochrome P450 was studied in cultures of hepatocytes that had never been cultured in the presence of serum. Propylisopropylacetamide induced a five-fold increase in cytochrome P450, approximating induced levels, when triiodothyronine and/or dexamethasone were included in the culture medium. Insulin was apparently not required for this induction. Cytochrome P450, free of cytochrome oxidase, could be fully recovered from cell homogenates in a 8700g supernatant, by use of a buffer containing 0.2% Emulgen. 相似文献
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