they were enzymatically dispersed and cultured for 24 h to assess progestins in the medium and 20 alpha-hydroxysteroid dehydrogenase [ 20 alpha-hsd , catalyzing the conversion of progesterone to 20 alpha-dihydroprogesterone ( 20 alpha-oh-p ) ] activity in the cell .
C0033308
progesterone
C0012311
20