Title : Acute decrease by human chorionic gonadotropin of the activity of preovulatory ovarian 17 alpha-hydroxylase and C-17-C-20 lyase is due to decrease of microsomal cytochrome P-450 through de novo synthesis of ribonucleic acid and protein.

Pub. Date : 1983 Dec

PMID : 6196179






2 Functional Relationships(s)
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1 When the cytochrome P-450 obtained from the PMSG-treated rats was subjected to spectrometric analysis of binding with progesterone and 17 alpha-hydroxy-progesterone, type I spectra were obtained for both steroids, indicating that the steroids bound to the cytochrome as substrate. Steroids cytochrome P450, family 2, subfamily g, polypeptide 1 Rattus norvegicus
2 When the cytochrome P-450 obtained from the PMSG-treated rats was subjected to spectrometric analysis of binding with progesterone and 17 alpha-hydroxy-progesterone, type I spectra were obtained for both steroids, indicating that the steroids bound to the cytochrome as substrate. Steroids cytochrome P450, family 2, subfamily g, polypeptide 1 Rattus norvegicus