Dppa3 in pluripotency maintenance of ES cells and early embryogenesis

Dppa3 in pluripotency maintenance of ES cells and early embryogenesis
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Dppa3 在 ES 细胞多能性维持和早期胚胎发生中的作用

DOI:
10.1002/jcb.28063
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发表时间:
2018-11
影响因子:
4
通讯作者:
Liu Na
Liu Na
中科院分区:
生物学2区
文献类型:
--
作者:
Zhao Shuang;Xu Jia;Liu Siying;Cui Kaige;Li Zongjin;Liu Na

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胚胎发育是由信号通路和特定基因组成的网络精确调控的。Dppa 3(也称为Pgc 7或Stella)作为母体效应基因在卵裂期的早期胚胎发育中起重要作用。Dppa 3在许多物种中表达,其在人类和大鼠基因组中的同源基因位于相同的染色体区域,具有相同的外显子-内含子结构。然而,不像小鼠胚胎干(ES)细胞,其中Dppa 3启动子保持低甲基化,从而允许高转录水平,人ES细胞中的DPPA 3启动子区域是甲基化的,非常像小鼠上胚层干细胞。dppa 3对于早期胚胎发生和多能性维持是必需的;然而,其确切的机制和下游通路仍然未知。本文就Dppa 3在小鼠胚胎干细胞早期胚胎发生和多能性维持中的重要作用作一综述。
Embryonic development is precisely regulated by a network of signal pathways and specific genes. Dppa3 (also known as Pgc7 or Stella) plays an important role in early embryonic development during the cleavage stage as a maternal effect gene. Dppa3 expresses in many species, and its homologous gene in human and rat genomes is located at the same chromosomal regions and have the same exon‐intron structure. However, unlike mouse embryonic stem (ES) cells, in which the Dppa3 promoter maintains hypomethylation that allows a high transcription level, the DPPA3 promoter region in human ES cells is methylated, much like that of mouse epiblast stem cell. Dppa3 is essential for early embryogenesis and pluripotency maintenance; however, the precise mechanism and downstream passage remains unknown. In this review, we will summarize some important functions of Dppa3 in early embryogenesis and pluripotency maintenance of mouse ES cells.
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发表时间: 2017-01
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