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首页> 外文期刊>Toxicology: An International Journal Concerned with the Effects of Chemicals on Living Systems >Wnt family genes and their modulation in the ovary-independent and persistent vaginal epithelial cell proliferation and keratinization induced by neonatal diethylstilbestrol exposure in mice
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Wnt family genes and their modulation in the ovary-independent and persistent vaginal epithelial cell proliferation and keratinization induced by neonatal diethylstilbestrol exposure in mice

机译:新生己烯雌酚暴露引起的小鼠卵巢独立性和持续性阴道上皮细胞增殖和角化中的Wnt家族基因及其调控

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摘要

Proliferation and differentiation of cells in female reproductive organs, the oviduct, uterus and vagina, are regulated by endogenous estrogen. In utero exposure to a synthetic estrogen, diethylstilbestrol (DES), induces vaginal clear-cell adenocarcinoma in humans. In mice, perinatal exposure to DES results in abnormalities such as polyovular follicles, uterine circular muscle disorganization and persistent vaginal epithelial cell proliferation. We reported the persistent gene expression change such as interleukin-1 (IL-1) related genes, insulin-like growth factor-I (IGF-I) and its downstream signaling in the mouse vagina exposed neonatally to DES. In this study, we found persistent up-regulation of . Wnt4 and persistent down-regulation of . Wnt11 in the vagina of mice exposed neonatally to DES and estrogen receptor α specific ligand. Also . Wnt4 expression in vagina is correlated to the stratification of epithelial cells with the superficial keratinization of vagina, but not epithelial cell stratification only.
机译:女性生殖器官,输卵管,子宫和阴道中细胞的增殖和分化受内源性雌激素调节。在子宫内接触合成雌激素时,己烯雌酚(DES)会诱发人类阴道透明细胞腺癌。在小鼠中,围产期暴露于DES会导致异常,例如多卵泡卵泡,子宫环形肌组织紊乱和持续的阴道上皮细胞增殖。我们报道了新生儿暴露于DES的小鼠阴道中诸如白介素-1(IL-1)相关基因,胰岛素样生长因子-I(IGF-1)及其下游信号的持续基因表达变化。在这项研究中,我们发现的持续上调。 Wnt4和持续下调的。新生鼠暴露于DES和雌激素受体α特异性配体的小鼠阴道中的Wnt11。也。阴道中的Wnt4表达与上皮细胞的分层与阴道的表面角质化有关,而与上皮细胞的分层无关。

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