title: Differential effects of single and repeated administration of gonadotropins on testosterone production and steroidogenic enzymes in Leydig cell populations.
mesh_terms: D015096:3-Hydroxysteroid Dehydrogenases / Q000378:metabolism*; D000818:Animals; D006063:Chorionic Gonadotropin / Q000008:administration & dosage / Q000378:metabolism / Q000494:pharmacology*; D004334:Drug Administration Schedule; D007700:Kinetics; D007985:Leydig Cells / Q000187:drug effects / Q000378:metabolism*; D007986:Luteinizing Hormone / Q000008:administration & dosage / Q000378:metabolism / Q000494:pharmacology*; D008297:Male; D011375:Progesterone Reductase / Q000378:metabolism*; D051381:Rats; D011956:Receptors, Cell Surface / Q000378:metabolism; D011974:Receptors, LH; D013739:Testosterone / Q000096:biosynthesis*
chemical_list: D006063:Chorionic Gonadotropin; D011956:Receptors, Cell Surface; D011974:Receptors, LH; D013739:Testosterone; D007986:Luteinizing Hormone; D015096:3-Hydroxysteroid Dehydrogenases; D011375:Progesterone Reductase