aminoglutethimide 12 nonhuman 12 3(or 17)beta hydroxysteroid dehydrogenase 6 Animals 6 article 6 enzyme activity 6 steroidogenesis 6 Cholesterol 4 Progesterone 4 Rats 4 animal cell 4 animal experiment 4 cell culture 4 cholesterol monooxygenase (side chain cleaving) 4 cholesterol transport 4 chorionic gonadotropin 4 controlled study 4 corticotropin 4 human 4 ketoconazole 4 male 4 metyrapone 4 mitotane 4 progesterone 4 progesterone synthesis 4 rat 4 retinoic acid 4 signal transduction 4 1 [n,o bis(5 isoquinolinesulfonyl) n methyltyrosyl] 4 phenylpiperazine 2 17 hydroxypregnenolone 2