once p-450scc mrna is induced as a consequence of the lh/hcg surge it is constitutively maintained by luteinized cells in vivo ( 0-4 days ) and in vitro ( 0-9 days ) in the absence of gonadotropins , is susceptible to modulation by prolactin and is no longer regulated by camp .
C0018062
lh/hcg
C0018061
gonadotropins