Specific deficiency of Plzf paralog, Zbtb20, in Sertoli cells does not affect spermatogenesis and fertility in mice.

Specific deficiency of Plzf paralog, Zbtb20, in Sertoli cells does not affect spermatogenesis and fertility in mice.
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支持细胞中 Plzf 旁系同源物 Zbtb20 的特定缺陷不会影响小鼠的精子发生和生育能力

DOI:
10.1038/srep07062
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发表时间:
2014-11-14
期刊:
影响因子:
4.6
通讯作者:
Shi Q
Shi Q
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Jiang X;Zhang H;Yin S;Zhang Y;Yang W;Zheng W;Wang L;Wang Z;Bukhari I;Cooke HJ;Iqbal F;Shi Q

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Ztbt 20是POK家族转录因子,主要通过其保守的C2 H2 Krüppel型锌指和BTB/POZ结构域发挥功能。本研究旨在确定Zbtb 20在小鼠精子发生过程中的体内功能。免疫组化结果显示,ZBTB 20蛋白特异性地定位于曲细精管支持细胞的核内。为了研究其在精子发生过程中的作用,我们将Amh-Cre转基因小鼠与Zbtb 20 β小鼠杂交,以产生条件性敲除小鼠(cKO),其中Zbtb 20在Sertoli细胞中特异性缺失。cKO小鼠具有生育能力,并且在精子发生方面没有表现出任何可检测到的异常。综上所述,虽然支持细胞中转录因子Zbtb 20的特异性缺失对精子发生没有明显影响,但其在支持细胞中的特异性定位使得Zbtb 20成为鉴定曲细精管中支持细胞的有用标记。
Ztbt20 is a POK family transcription factor and primarily functions through its conserved C2H2 Krüppel type zinc finger and BTB/POZ domains. The present study was designed to define the function of the Zbtb20, in vivo, during mouse spermatogenesis. Immunohistochemical studies revealed that ZBTB20 protein was localized specifically in the nuclei of Sertoli cells in seminiferous tubules. To investigate its role during spermatogenesis, we crossed Amh-Cre transgenic mice with Zbtb20 floxp mice to generate conditionally knockout mice (cKO) in which Zbtb20 was specifically deleted in Sertoli cells. The cKO mice were fertile and did not show any detectable abnormalities in spermatogenesis. Taken together, though specific deletion of transcription factor Zbtb20 in Sertoli cells has no apparent influence on spermatogenesis, its specific localization in Sertoli cells makes Zbtb20 a useful marker for the identification of Sertoli cells in seminiferous tubules.
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