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Current Medicinal Chemistry


ISSN (Print): 0929-8673
ISSN (Online): 1875-533X

Sex Steroids and the Endothelium

Author(s): H. William Schnaper, John McGuire, Constance Runyan and Susan C. Hubchak

Volume 7, Issue 5, 2000

Page: [519 - 531] Pages: 13

DOI: 10.2174/0929867003374949

Price: $65


Gonadal steroids clearly influence the course of atherosclerotic cardiovascular disease in women. This observation has suggested that these hormones have beneficial effects on the physiology of the vascular wall. Increased arterial vascular caliber after estrogen treatment, decreased lipid levels in subjects receiving hormone replacement therapy, and the markedly decreased extent of atherosclerotic plaque formation in young women as compared with young men support a cardioprotective effect of ovarian steroids. Generally, it appears that the effects of 17b-estradiol are particularly beneficial, and the mechanism of action is targeted largely to the endothelial cell. This review describes the evidence for positive effects of estrogens on endothelial cell biology and considers potential mechanisms for estrogen actions on endothelial cell signal transduction.

Keywords: sex steroids, endothelium, atherosclerotic cardiovascular disease, endothelial cell signal transduction, vascular biology, vascular smooth muscle cell VSMC relaxation, very low density lipoprotein VLDL, selective estrogen receptor modulator SERM raloxifene, plasminogen activator inhibitor 1, angiogenesis, transcription, calcium signaling, transduction

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