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首页> 外文期刊>Proceedings of the National Academy of Sciences of the United States of America >Responses in the brain of estrogen receptor α-disrupted mice
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Responses in the brain of estrogen receptor α-disrupted mice

机译:雌激素受体α-干扰小鼠的大脑反应

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These studies sought to determine if neurons in the estrogen receptor- knockout (ERαKO) mouse brain concentrated 16α-[~125I]iodo-11β-methoxy-17β-estradiol (~125I-estrogen), and if so, whether estrogen binding augmented the expression of progesterone receptor (PR) mRNA. Mice were injected with ~125I-estrogen and cryostat sections thaw mounted onto emulsion-coated slides. After 30-90 days of exposure, cells with a nuclear uptake and retention of ~125I- estrogen were observed in a number of ERαKO mouse brain regions including the preoptic nucleus and arcuate nucleus of the hypothalamus, bed nucleus of the stria terminalis, and amygdala, although the number of labeled cells and intensity of nuclear concentration was markedly attenuated when com- pared with wild-type littermates.
机译:这些研究试图确定雌激素受体敲除(ERαKO)小鼠大脑中的神经元是否集中了16α-[〜125I]碘-11β-甲氧基-17β-雌二醇(〜125I-雌激素),如果是,雌激素结合是否增强了孕激素受体(PR)mRNA的表达给小鼠注射约125 I-雌激素,并将低温恒温器切片解冻,将其安装在乳剂包被的载玻片上。暴露30-90天后,在许多ERαKO小鼠脑区域(包括下丘脑的视前核和弓形核,纹状体的床核和杏仁核)中观察到具有核吸收和〜125I-雌激素保留的细胞。 ,尽管与野生型同窝仔相比,标记细胞的数量和核浓度的强度明显降低。

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