Cell totipotency: molecular features, induction, and maintenance.

Cell totipotency: molecular features, induction, and maintenance.
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DOI:
10.1093/nsr/nwv009
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发表时间:
2015-06
影响因子:
20.6
通讯作者:
Zhang Y
Zhang Y
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Lu F;Zhang Y

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在哺乳动物中,多能干细胞可以产生胚胎谱系的每一种细胞类型,并在再生医学和疾病建模方面具有巨大潜力。在多能性机制的指导下,通过操纵各种分化细胞类型的转录和表观遗传网络,已经成功地诱导了多能干细胞。然而,赋予全能性的因素,即在胚胎和胚胎外谱系中产生细胞的能力,仍然知之甚少。目前尚不清楚全能性是否可以在体外诱导和维持。本文综述了该领域的研究进展,旨在为了解全能性的调控机制提供基础。
In mammals, pluripotent stem cells can give rise to every cell type of embryonic lineage, and hold great potential in regenerative medicine and disease modeling. Guided by the mechanism underlying pluripotency, pluripotent stem cells have been successfully induced through manipulating the transcriptional and epigenetic networks of various differentiated cell types. However, the factors that confer totipotency, the ability to give rise to cells in both embryonic and extra-embryonic lineages, still remain poorly understood. It is currently unknown whether totipotency can be induced and maintained in vitro. In this review, we summarize the current progress in the field, with the aim of providing a foundation for understanding the mechanisms that regulate totipotency.
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