Germline competent embryonic stem cells derived from rat blastocysts.

Germline competent embryonic stem cells derived from rat blastocysts.
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DOI:
10.1016/j.cell.2008.12.006
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发表时间:
2008-12-26
期刊:
影响因子:
64.5
通讯作者:
Ying QL
Ying QL
中科院分区:
生物学1区
文献类型:
--
作者:
Li P;Tong C;Mehrian-Shai R;Jia L;Wu N;Yan Y;Maxson RE;Schulze EN;Song H;Hsieh CL;Pera MF;Ying QL

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作为生理和药理研究的实验系统,大鼠比小鼠具有重要的优势。缺乏大鼠胚胎干细胞限制了转基因技术在该物种中建立遗传模型的可用性。在这里,我们证明了大鼠胚胎干细胞可以在小分子的存在下有效地衍生、增殖和遗传操作,这些小分子可以特异性地抑制GSK3、MEK和成纤维细胞生长因子受体酪氨酸激酶。这些大鼠胚胎干细胞表达多潜能标记,并保持分化为所有三个生殖层的衍生品的能力。最重要的是,当重新引入早期胚胎时,它们可以产生高嵌合率,并可以通过生殖系传播。建立真正的大鼠胚胎干细胞将使复杂的基因操作成为可能,从而为人类疾病的研究建立模型。
Rats have important advantages over mice as an experimental system for physiological and pharmacological investigations. The lack of rat embryonic stem (ES) cells has restricted the availability of transgenic technologies to create genetic models in this species. Here, we show that rat ES cells can be efficiently derived, propagated, and genetically manipulated in the presence of small molecules that specifically inhibit GSK3, MEK, and FGF receptor tyrosine kinases. These rat ES cells express pluripotency markers and retain the capacity to differentiate into derivatives of all three germ layers. Most importantly, they can produce high rates of chimerism when reintroduced into early stage embryos and can transmit through the germline. Establishment of authentic rat ES cells will make possible sophisticated genetic manipulation to create models for the study of human diseases.
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发表时间: 2007-07-12
期刊: NATURE
影响因子: 64.8
作者:
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