نتایج جستجو برای: estrogen replacement
تعداد نتایج: 151532 فیلتر نتایج به سال:
The mammographic density belongs to risk factors for breast cancer. The increased density enhances the risk of interval breast cancers and it also increases the number of false negative as well as false positive results of the mammography. The increase in the mammographic density during the hormone replacement therapy is not identical with the enhanced mammographic density, which is a risk fact...
In addition to its effect on reproductive organs, estrogen exhibits complex effects on brain structure, function and behavior. In this regard, the influence of gonadal hormones especially estrogens on nociception has recently been accepted. Soybean is known as an important phytoestrogen containing plant that is used as an alternative for estrogen replacement therapy. In this study, the influenc...
We have previously found that dextromethorphan (DM), over-the-counter cough suppressant, impairs memory retention in water maze task, when it is repeatedly administrated to adolescent female rats at high doses. In this study we examined first if ovariectomy ameliorates the DM-induced memory impairment in female rats, and then whether or not the DM effect is revived by estrogen replacement in ov...
Our previous studies demonstrated that premenopausal women have dominant vagal and subordinate sympathetic activity compared with age-matched men. This study was designed to investigate the role of estrogen in gender-related autonomic differences. We evaluated the heart rate variability of four healthy groups: age-matched postmenopausal women without hormone replacement therapy (PM), postmenopa...
Transient receptor potential cation channel subfamily M member 8 (TRPM8) is associated with sensitivity to cold sensation in mammals. A previous study demonstrated that TRPM8 was overexpressed in the skin of ovariectomized (OVX) rats due to the loss of estrogen. In the present study, we investigated whether estrogen replacement restricts overexpression of the TRPM8 channel in the skin of OVX ra...
It remains unclear whether estrogen therapy (with or without progestin) improves endothelial function in older postmenopausal women with or at risk for coronary heart disease. To address this issue, we analyzed brachial artery flow-mediated vasodilation in the Cardiovascular Health Study, a longitudinal study of cardiovascular risk factors in subjects over 65 years of age. At the tenth annual C...
In the early forties, Albright [1] clearly identified the connection between estrogens and bone mineral content, and showed that bone metabolism is estrogen-dependent. However, it took another 30 years for this pathophysio logical concept to prevail in clinical practice. Today it is generally accepted that any form of ovarian insufficiency with an estrogen deficiency exceeding six months resul...
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