نتایج جستجو برای: ovarian aging
تعداد نتایج: 186296 فیلتر نتایج به سال:
Several lines of evidence suggest that ovarian steroids modulate immune function in women. Women are at higher risk of autoimmune disease than men; generate more robust humoral responses to vaccination than men; and plasma cytokine levels and the immune response to certain vaccines change throughout the menstrual cycle. Aging is accompanied by a decline in immunity referred to as “immune senesc...
BACKGROUND With infertility populations rapidly aging, treatments improving pregnancy chances assume increasing clinical importance. Dehydroepiandrosterone (DHEA) has been reported to improve pregnancy rates and lower miscarriage rates in women with diminished ovarian function. This study was planned to evaluate whether pretreatment with DHEA may improve in vitro fertilization (IVF) parameters ...
Female Sprague–Dawley rats were ovariectomized at 13 months of age. Four groups received different regimens of estrogen or estrogen plus progesterone replacement beginning either immediately, 3 months, or 10 months after ovariectomy and were compared with non-hormone-treated controls. Eight to twelve months after ovariectomy, animals were trained on a delayed matching-to-position (DMP) spatial ...
Among endocrine organs, ovaries are unique because their function is supported by an ever-changing number of histological entities, the ovarian follicles, which themselves subject to asynchronous development from formation up ovulation. Follicle combines finely controlled processes cell dynamics with original morphogenesis steps. Understanding follicle populations, on whole ovary level, and cou...
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