Effect of androgens and gonadotropins on progesterone secretion of chicken granulosa cells.
A culture system has been used to study the effect of PMSG in vivo pretreatment and androgens on the in vitro secretion of progesterone from avian granulosa cells. PMSG in vivo pretreated cells secreted greater amounts of progesterone than did cells obtained from untreated hens. Testosterone and 5-alpha-dihydrotestosterone significantly increased basal progesterone secretion in PMSG pretreated cells as well as in granulosa cells harvested from non-treated hens. Testosterone or 5 alpha-dihydrotestosterone in combination with FSH or LH were additive and never resulted in a synergistic stimulation of progesterone secretion.
Phillips
A
A
Scanes
C G
CG
Hahn
D W
DW
D000818:Animals; D002478:Cells, Cultured; D002645:Chickens; D013196:Dihydrotestosterone / Q000494:pharmacology*; D004958:Estradiol / Q000494:pharmacology; D005260:Female; D005640:Follicle Stimulating Hormone / Q000494:pharmacology*; D006064:Gonadotropins, Equine / Q000494:pharmacology*; D006107:Granulosa Cells / Q000187:drug effects / Q000378:metabolism*; D007700:Kinetics; D007986:Luteinizing Hormone / Q000494:pharmacology*; D011374:Progesterone / Q000378:metabolism*; D013739:Testosterone / Q000494:pharmacology*
D006064:Gonadotropins, Equine; D013196:Dihydrotestosterone; D013739:Testosterone; D011374:Progesterone; D004958:Estradiol; D007986:Luteinizing Hormone; D005640:Follicle Stimulating Hormone