fetal uterine progesterone receptor , either stimulated `` '' in vivo '' '' by estrogen-priming or induced in organ culture , translocates from the cytosol into the nucleus and this process seems to be accompanied by a decrease in retention of the estrogen receptor in the nucleus which appears to be the mechanism by which progesterone antagonises estrogen action in fetal guinea pig uterus .
C0034804
e estrogen recept
C0007610
nucle