Cell Res:一种氮6-甲基的结合蛋白Ythdc2可以调节哺乳动物的精子形成

2017-08-23 MedSci MedSci原创

N6 - methyladenosine(m6A)是真核mRNA中最常见的内部修饰。它可以动态调节包括干细胞多能性、细胞分化和能量平衡等生物过程。m6A被选择性结合蛋白识别;与YTHDF1和YTHDF3协同工作,影响m6a mRNA的翻译,YTHDF2加速mRNA的衰变,YTHDC1影响其目标的核加工过程。

近日,国际杂志《Cell Res》在线发表了一篇关于一种氮6-甲基的结合蛋白Ythdc2可以调节哺乳动物的精子形成的研究。 N6 - methyladenosine(m6A)是真核mRNA中最常见的内部修饰。它可以动态调节包括干细胞多能性、细胞分化和能量平衡等生物过程。m6A被选择性结合蛋白识别;与YTHDF1和YTHDF3协同工作,影响m6a mRNA的翻译,YTHDF2加速mRNA的衰变,YTHDC1影响其目标的核加工过程。YTHDC2作为YTH蛋白家族的最终成员,其生物学功能目前尚不清楚。研究人员发现YTHDC2在小鼠睾丸中高表达,同时通过RIP实验发现了减数分裂等生殖功能相关的靶基因。敲除掉YTHDC2会引起精子发育障碍进而导致生殖缺陷。此外,还研究人员构建失去YTH结构域的报告基因,说明了YTHDC2对基因表达的影响需要YTH这一核心功能域。 研究发现,YTHDC2是一种m6a结合蛋白,在精子发生过程中起关键作用。 原始出处: Phillip J Hsu, Chuan He. et.al. Ythdc2 is an N 6-methyladenosine binding pr

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    2017-11-11 维他命
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    2017-08-23 李东泽

    很好.不错.以后会多学习

    0

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