Isolation of epiblast stem cells from preimplantation mouse embryos.

Isolation of epiblast stem cells from preimplantation mouse embryos.
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DOI:
10.1016/j.stem.2011.01.016
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发表时间:
2011-03-04
期刊:
影响因子:
23.9
通讯作者:
Tesar, Paul J.
Tesar, Paul J.
中科院分区:
医学1区
文献类型:
--
作者:
Najm, Fadi J.;Chenoweth, Josh G.;Anderson, Philip D.;Nadeau, Joseph H.;Redline, Raymond W.;McKay, Ronald D. G.;Tesar, Paul J.

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多能干细胞提供了一个平台来询问控制元件,这些元件的功能是产生身体的所有细胞类型。尽管它们用于建模发育和疾病,但小鼠和人类多能干细胞状态彼此之间的关系在很大程度上仍然不确定。我们已经证明,小鼠胚胎干细胞(ES)和外胚层干细胞(EpiSC)是不同的,多能状态分离自植入前和植入后胚胎。人类ES细胞不同于小鼠ES细胞,并且与EpiSC具有共同的定义特征,但来源于植入前的人类胚胎。在这里,我们表明EpiSCs可以常规地来源于植入前小鼠胚胎。植入前衍生的EpiSC表现出与真正的EpiSC一致的分子特征和功能特性。这些结果为分离EpiSCs提供了一种简单的方法,并提供了对调节不同多能状态获得的内在和外在机制的直接洞察。
Pluripotent stem cells provide a platform to interrogate control elements that function to generate all cell types of the body. Despite their utility for modeling development and disease, the relationship of mouse and human pluripotent stem cell states to one another remains largely undefined. We have shown that mouse embryonic stem (ES) cells and epiblast stem cells (EpiSCs) are distinct, pluripotent states isolated from pre- and post-implantation embryos respectively. Human ES cells are different than mouse ES cells and share defining features with EpiSCs, yet are derived from pre-implantation human embryos. Here we show that EpiSCs can be routinely derived from pre-implantation mouse embryos. The pre-implantation-derived EpiSCs exhibit molecular features and functional properties consistent with bona fide EpiSCs. These results provide a simple method for isolating EpiSCs and offer direct insight into the intrinsic and extrinsic mechanisms that regulate the acquisition of distinct pluripotent states.
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