نتایج جستجو برای: estradiol benzoate
تعداد نتایج: 36477 فیلتر نتایج به سال:
Background & Objective: Multiple sclerosis (MS) is a demyelinating disease of central nervous system, which is approximately two to three times more common in women than men. It was suggested that sexual hormones affect MS disease. Over half of MS patients have cognitive deficits, including learning and memory dysfunction. Estrogen also influences most of the cerebral function including l...
Objective: This study was conducted to investigate the effects of estradiol benzoate injection to intact and castrated male rabbits on LH, FSH, testosterone and prostate tissue. Materials and methods: A total of 72 mature male rabbits were used in this study. The rabbits were randomly divided into two groups (36 intact and 36 castrated) and each group was further divided into four sub-groups. T...
Ovariectomized mice on a high fat diet represent a model of diet-induced obesity during estrogen deficiency. Here, we tested the hypothesis that sensitivity to centrally administered leptin in ovariectomized mice with diet-induced obesity could be restored by estrogen supplementation. Ovariectomized C57BL/6 female mice were fed either a standard or high fat diet until they were 27 weeks old. Ov...
although the epileptogenic properties of estrogens have been widely demonstrated in several models and species, the mechanism(s) by which estrogens can acutely change seizure parameters including after discharge and seizure duration remain remains to be determined. in the present study, we examined the role of nmda (n-methyl-d-aspartate), non-nmda and estrogenic receptors in estradiol benzoate ...
Introduction & Objective: Locomotor activity is an important physiologic phenomenon that is influenced by several factors. In previous study we showed that the matricaria chamomilla (chamomile) hydroalcholic extract acts differently in male and female mice. Therefore in this study, the role of sex hormones and chamomile hydroalcholic extract were investigated on motor activity behavior in absen...
The uterotrophic responses to various doses of estradiol benzoate, estrone, and estriol were investigated in ovariectomized Sarcoma 180-bearing mice at different stages of tumor growth. The data indicate that the uterine response was decreased as tumor growth progressed when compared with that of the tumor-free ovariectomized control animals. Restricting food intake by pair-feeding did not alte...
The hormonal control of ciliogenesis and transformation of mucous cells was studied in the oviduct (magnum) of ovariectomized quails. Estradiol benzoate induces ciliogenesis with doses varying from 10 mug/day to 100 mug/day after 6 days of treatment. With 100 mug/day, differentiation of some mucous cells is also induced as well as the formation of transitory "mixed cells" which are in the proce...
Estrogen has a widespread and complex influence on brain capabilities such as learning and memory. On the other hand, hippocampus as one of the main brain structures has an important role in spatial information processing. There is some evidence on the existence of estrogen receptors in the hippocampal CA1 area. So, in this study the effect of intrahippocampal injection of estradiol benzoate on...
Estradiol 17 beta prevented the fall in the microbicidal activity of the myeloperoxidase-H2O2-halide system induced by high H2O2 concentrations. In contrast, when the H2O2 (and halide) concentrations were low the myeloperoxidase-H2O2-halide antimicrobial system was inhibited by estradiol. These properties of estradiol 17 beta were shared by estradiol 17 alpha, estrone, estriol, ethinyl estradio...
Three studies were conducted to examine the role of progesterone in stimulating sexual receptivity in estrogen-treated, ovariectomized gilts. Progesterone was administered either before, simultaneously with, or 48 h after estrogen. In each study, gilts were treated with either a suboptimal or an optimal dosage of estradiol benzoate (EB). Progesterone treatment (600 micrograms/kg BW-1 X injectio...
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