we found that while progestins administered alone in vivo did not have any stimulatory effect on the synthesis of these secreted or cellular uterine proteins , concomitant administration of either progesterone or megestrol acetate and estradiol in vivo substantially reduced the estrogen-stimulated increase in labeling of the 110,000 , 74,000 , and 66,000 dalton secreted uterine proteins in vitro .
C0007634
cellular
C1327616
secreted