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|  | | 为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法,我们为您准备了出自英文原文的大量英语例句,供您参考。 | |
In the CL of estrous cycle rat, LHR mRNA positive CL expressed high level of mRNA of IGF-IR.
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Hypothalamic response to leptin changes during a hormonally induced estrous cycle in rats
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To test if leptin responsiveness may be regulated we assayed hypothalamic response to leptin during the estrous cycle; when changes in food intake are known to occur.
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In conclusion, we have shown that leptin responsiveness changes during a hormonally induced estrous cycle in rats.
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To fill this gap in our knowledge, we identified and characterized the tissue specific expression of IGFBP-1 to-6 in rat oviducts over the estrous cycle byin situ hybridization and immunocytochemistry.
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| | Animal model of secretion characteristics of some sexual hormones in sport amenorrhoea was established with 40 Wistar rats. Prolonged exhaustive exercise may restrict the sexual circle of the rats and cause lower concentration of progesterone (P) and dihydroxyestrin (E_2) in serum than normal sexual circle. The effects of external female hormone and progesterone in delaying and restricting the sport amenorrhoea are insignificant. The concentration of E_2 and P in sexual circle restricted rats changed and th... | | 本研究用40只Wistar大白鼠制作运动性闭经某些性激素分泌特点的动物模型.发现:长时间的力竭性运动可以使大白鼠动情周期产生抑制,并且其血清E_2和P浓度低于正常动情周期鼠的动情间期水平;提供外源性雌激素和孕酮可能对推迟或抑制运动性闭经的产生作用不大;动情周期抑制鼠的E_2和P浓度改变,且其阴道细胞涂片与运动性闭经女运动员相似.我们可以用大白鼠做进一步的研究.(英文简写:P——孕酮,E_2——雌二醇,FSH——促卵泡成熟素,LH——促黄体生成素) | | 文摘来源 | | To approach the mechanism of exercise amenorrhoea at the ovarian level normal purebred female rats in estrous cycle were chosen as the subjects of the experiment. The animal model of inhibiting exercise estrous cycle was established by heavy load swimming training. The change of progesterone in ovaries during the inhibiting exercise estrous cycle was determined by exciting human chorionic gonadotropin experiment. The results showed that ovaries still had their sensitive reactions to the exogenous chorionic ... | | 为从卵巢水平探讨运动性闭经的机制,选择动情周期正常的纯系雌性大鼠为实验对象,以大负荷游泳训练建立运动性动情周期抑制的动物模型。通过卵巢对人绒毛膜促性腺激素(hcG)兴奋试验,测定运动性动情周期抑制时卵巢中孕酮的变化。结果表明,卵巢对外源性促性腺激素hcG仍有敏感的反应,促进孕酮(P)的释放增加,提示卵巢分泌P的功能未发生不可逆的改变。 | | 文摘来源 | | On the basis of establishing a rat model similar to athletic menstrual irregularities by incremental training and using the radio immunoassay (RIA) to determine β-EP and sex hormone so as to investigate 1. the effects of training at various loads on the items of β-EP in hypothalamus, pituitary and plasma and the items of plasma T, FSH, P, E 2 in rats; 2. the relationship between AMI, β-EP and sex hormone. The results show that the estrous cycle of rats in training group A is suppressed by long-term, heavy... | | 在建立递增负荷训练的运动性闭经动物模型的基础上 ,采用放射性免疫法 ,测定 β—EP和性激素 ,观察不同负荷训练对大鼠下丘脑、垂体、血浆 β—EP和血浆T、FSH、LH、P、E2 的影响 ;AMI与 β—EP和性激素的关系。结果显示 ,长期大强度负荷使训练组A动情周期抑制 ,表现为低促性腺类固醇、低促性腺激素 ,而下丘脑、血浆 β—EP含量明显升高。短期适宜强度负荷使训练组C血T明显升高 ,长期大强度负荷使训练组A血T明显下降。经 1周休息后 ,β—EP、P、T、FSH已基本恢复 ,但LH、E2 未完全恢复。提示 :β—EP对下丘脑GnRH释放具有直接抑制效应。血T升高可直接对抗雌激素或负反馈作用于下丘脑—垂体性腺轴继发AMI。AMI经及时合理适当调整 ,大部分性激素是可以逆转的。 | | 文摘来源 | |   | | << 更多相关文摘 |
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