目的探讨四倍体胚胎发育阶段对胚胎干细胞（ES）嵌合体小鼠制备的影响。

Objective To investigate the effects of developmental stages of tetraploid embryos on mouse chimeras from embryonic stem cells (ES).

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该文将重点比较体细胞和胚胎干细胞在细胞周期调控方面的差异，并对近年来有关小鼠和人胚胎干细胞的细胞周期调控的研究进展进行介绍。

This review will emphasize on the difference in cell cycle regulation in somatic cells versus ESCs, and update our understandings for regulation of cell cycle in mouse and human ESCs.

youdao

该文将重点比较体细胞和胚胎干细胞在细胞周期调控方面的差异，并对近年来有关小鼠和人胚胎干细胞的细胞周期调控的研究进展进行介绍。

This review will emphasize on the difference in cell cycle regulation in somatic cells versus ESCs, and update our understandings for regulation of cell cycle in mouse and human ESCs.

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