Expression of peptidylarginine deiminase in the uterine epithelial cells of mouse is dependent on estrogen
1992
Takahara, H. | Kusubata, M. | Tsuchida, M. | Kohsaka, T. | Tagami, S. | Sugawara, K.
The effects of the steroid hormones estrogen and progesterone on peptidylarginine deiminase protein-L-arginine iminohydrolase, (EC 3.5.3.15) levels in adult ovariectomized mouse uterus were studied. The amount of the enzyme in the uterus was considerably diminished by ovariectomy. When the mice were injected with a variety of estrogenic compounds, 17,6-estradiol-3-benzoate, which was the most potent stimulator of uterine cell proliferation among the estrogens tested, dramatically elevated the enzyme formation of the uterus in a dose- and time-dependent fashion. Results of immunohistochemistry with the antiserum against mouse peptidylarginine deiminase demonstrated that the induction of the enzyme by the estradiol exclusively occurred at the luminal and glandular epithelia, corresponding with the previous findings in the normal estrous cycle. Furthermore, administration of the estradiol significantly increased the content of mRNA coding for peptidylarginine deiminase in uterus, indicating the evidence of regulation in pretranslation. On the other hand, progesterone alone did not restore the enzyme level of the ovariectomized mouse, but moderated the action of estrogen when given in concert with estrogen. Thus, the expression of peptidylarginine deiminase in luminal and glandular epithelia of mouse uterus is controlled by the amount of the steroid hormones estrogen and progesterone.
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