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Hmgn5 functions downstream of Hoxa10 to regulate uterine decidualization in mice

文献类型： 外文期刊

作者： Li, Dang-Dang 1 ; Zhao, Shu-Yi 1 ; Yang, Zhan-Qing 1 ; Duan, Cui-Cui 2 ; Guo, Chuan-Hui 1 ; Zhang, Hong-Liang 1 ; Geng 1 ;

作者机构： 1.Jilin Univ, Coll Vet Med, Changchun 130062, Peoples R China

2.Jilin Acad Agr Sci, Inst Agrofood Technol, Changchun, Peoples R China

关键词： decidualization;Hmgn5;stromal cell;uterus;mouse

期刊名称：CELL CYCLE （ 影响因子：4.534； 五年影响因子：4.492 ）

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收录情况： SCI

摘要： Although Hmgn5 is involved in the regulation of cellular proliferation and differentiation, its physiological function during decidualization is still unknown. Here we showed that Hmgn5 was highly expressed in the decidual cells. Silencing of Hmgn5 expression by specific siRNA reduced the proliferation of uterine stromal cells and expression of Ccnd3 and Cdk4 in the absence or presence of estrogen and progesterone, whereas overexpression of Hmgn5 exhibited the opposite effects. Simultaneously, Hmgn5 might induce the expression of Prl8a2 and Prl3c1 which were 2 well-known differentiation markers for decidualization. In the uterine stromal cells, cAMP analog 8-Br-cAMP and progesterone could up-regulate the expression of Hmgn5, but the up-regulation was impeded by H89 and RU486, respectively. Attenuation of Hmgn5 expression could block the differentiation of uterine stromal cells in response to cAMP and progesterone. Further studies found that regulation of cAMP and progesterone on Hmgn5 expression was mediated by Hoxa10. During in vitro decidualization, knockdown of Hmgn5 could abrogate Hoxa10-induced upregulation of Prl8a2 and Prl3c1, while overexpression of Hmgn5 reversed the inhibitory effects of Hoxa10 siRNA on the expression of Prl8a2 and Prl3c1. In the stromal cells undergoing decidualization, Hmgn5 might act downstream of Hoxa10 to regulate the expression of Cox-2, Vegf and Mmp2. Collectively, Hmgn5 may play an important role during mouse decidualization.

  • 相关文献

[1]Expression, regulation and function of Hmgn3 during decidualization in mice. Li, Dang-Dang,Guo, Chuan-Hui,Yang, Zhan-Qing,Cao, Hang,Guo, Bin,Yue, Zhan-Peng,Yue, Liang,Duan, Cui-Cui. 2015

[2]Hmgn1 acts downstream of C/EBP beta to regulate the decidualization of uterine stromal cells in mice. Li, Dang-Dang,Yang, Zhan-Qing,Guo, Chuan-Hui,Cao, Hang,Guo, Bin,Yue, Zhan-Peng,Yue, Liang,Duan, Cui-Cui.

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