Enhancing the Potency of Mouse Embryonic Stem Cells [BS-Seq]
收藏干细胞与再生医学数据中心2022-02-20 更新2024-03-06 收录
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http://data.iscr.ac.cn/Article?id=17420061b606816ec965ddf8084d8389
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Mouse naïve pluripotent stem cells (ESC) can contribute to all embryonic tissues and the germline, but rarely to the extra-embryonic tissues in chimeric embryos. Here we describe a novel advanced pluripotent stem cell (ASC) with higher potency, since a single ASC contributes very efficiently to the fetus, germline, yolk sac and the placental labyrinth in chimeras. ASCs were derived from blastocysts in two steps in a chemically defined medium with Activin A (ActA) and basic fibroblast growth factor (bFGF), followed by Wnt and BMP. Notably, ASCs exhibit a distinct transcriptome with the expression of both naïve pluripotent genes, as well as mesodermal somatic genes; Eomes, Eras, Tdgf1, Evx1, hand1, Wnt5a, and distinct repetitive elements. Established ESCs can also be readily and directly to ASCs. Importantly, ASCs exhibit a stable hypermethylated epigenome unlike the hypomethylated epiblast in blastocysts and naïve ESCs, indicating that ASCs might represent a state in between the naïve and primed states of pluripotency.
提供机构：
Washington University School of Medicine
创建时间：
2022-02-20
