Progesterone inhibits arterial smooth muscle cell proliferation

Wen Sen Lee, Justin A. Harder, Masao Yoshizumi, Mu En Lee, Edgar Haber

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113 引文 斯高帕斯(Scopus)


Mortality from atherosclerotic cardiovascular disease is lower in premenopausal women than in age-matched men. It is also lower in postmenopausal women who take estrogens and progestins together rather than estrogens alone. Progesterone receptors were detected in human and rat aortic smooth muscle cells in vivo and in vitro (in subculture). We examined the effect of progesterone on proliferation of smooth muscle cells, important constituents of atherosclerotic plaques. Progesterone at physiologic levels inhibited DNA synthesis and proliferation in these cells in a dose-dependent manner, and pretreatment with the progesterone receptor antagonist RU486 blocked inhibition. Cyclin A and E messenger RNA levels decreased after progesterone treatment but those of cyclin B and D1 did not change. This cell cycle-dependent inhibition of arterial Smooth muscle cell proliferation by progesterone may represent a mechanism for the hormone's protective effect against atherosclerosis.

頁(從 - 到)1005-1008
期刊Nature Medicine
出版狀態已發佈 - 9月 1997

ASJC Scopus subject areas

  • 生物化學、遺傳與分子生物學 (全部)


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