نتایج جستجو برای: ovariectomized mice
تعداد نتایج: 397643 فیلتر نتایج به سال:
OBJECTIVES Chronic increases in blood flow in resistance arteries induce outward remodeling associated with increased wall thickness and endothelium-mediated dilatation. This remodeling is essential for collateral arteries growth following occlusion of a large artery. As estrogens have a major role in this remodeling, we hypothesized that resveratrol, described as possessing phytoestrogen prope...
Background and purpose: Menopause is a physiological process and diabetes is a metabolic disease that occurs more frequently in older women. The present study investigated the effects of diabetes on some biochemical parameters and histopathological changes in ovariectomized rats. Materials and methods: Thirty two adult female rats were divided into four groups of 8 and studied for 55 weeks. ...
چکیده آلکالوئیدهای ?– کربولین نظیر هارمان در مواد غذایی گیاهی معمولی( گندم، برنج، ذرت، جو، انگور و قارچ) و در مواد مشتق شده از گیاهانی نظیر توتون یافت می شوند. این آلکالوئیدها دارای اثرات شناختی زیادی از جمله تغییر در حافظه کوتاه مدت و بلند مدت و اثرات توهم زا می باشند. در این مطالعه نقش سیستم گلوتاماترژیک در هیپوکامپ پشتی بر روی اثرات هارمان بر حافظه اجتنابی مهاری مورد مطالعه قرار گرفته است. ...
Background: Osteoporosis is one of the uncomfortable postmenopausal symptoms. The risk of imbalanced nutrition especially traces elements and vitamins are high during post menopause and may lead to osteoporosis due to reduction of content of mineral bone. The aim of this study was to investigate the potential consequence of Selenium (Se) treatment in ovariectomized rat model with osteoporosis i...
Estrogen has been shown to increase endothelium-dependent vasodilation and expression of endothelial nitric oxide (NO) synthase (eNOS); however, the role of estrogen receptors in mediating estrogen effects on endothelial function remains to be elucidated. The purpose of this study was to test the hypothesis that estrogen modulates NO-dependent vasodilation of coronary arteries through its actio...
Vascularization is fundamental for bone formation and bone tissue homeostasis. However, in human subjects, a direct molecular relationship has not been identified between angiogenesis and agents that promote bone disease or factors related to age. Osteopenia is a condition in which bone mineral density is lower than normal, and it represents a sign of normal aging. Here we tested whether the ty...
Although estradiol (E2) has been recognized to exert several vasculoprotective effects in several species, its effects in mouse vasomotion are unknown, and consequently, so is the estrogen receptor subtype mediating these effects. We investigated the effect of E2 (80 g/kg/day for 15 days) on NO production in the thoracic aorta of ovariectomized C57Bl/6 mice compared with those given placebo. E2...
INTRODUCTION Staphylococcus aureus is a common cause of bacterial arthritis, which is associated with progressive bone loss in affected joints. We recently showed that S. aureus infection also induces a significant systemic bone loss in mice. This study was performed to assess the effect of estradiol treatment on the clinical course and outcome of S. aureus arthritis and on infection-induced bo...
The occurrence of mammary carcinoma (1, 2, 3, 4) following ovariectomy in certain strains of mice and the delay of mammary carcinogenesis in such mice by calorie underfeeding seen in preliminary experiments (5) suggested the testing of the ef fects of exogenous estrogen administration, partic ularly in the calorie restricted animal, on cancer production. Studies were therefore made on fullfed a...
We examined the individual and combined effects of teriparatide and anti-RANKL (receptor activator of nuclear factor κB ligand) monoclonal antibody in ovariectomized mice. Three-month-old female C57BL/6 mice were ovariectomized (OVX) or sham operated. Four weeks after OVX, they were assigned to 3 different groups to receive anti-RANKL monoclonal antibody (Ab) alone (5 mg/kg single injection at ...
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