Efficient derivation of human trophoblast stem cells from primed pluripotent stem cells.

Efficient derivation of human trophoblast stem cells from primed pluripotent stem cells.
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从引发的多能干细胞中高效衍生人滋养层干细胞

DOI:
10.1126/sciadv.abf4416
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发表时间:
2021-08
期刊:
影响因子:
13.6
通讯作者:
Shan Y
Shan Y
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Wei Y;Wang T;Ma L;Zhang Y;Zhao Y;Lye K;Xiao L;Chen C;Wang Z;Ma Y;Zhou X;Sun F;Li W;Dunk C;Li S;Nagy A;Yu Y;Pan G;Lye SJ;Shan Y

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据报道,一种简单有效的生成人类滋养层干细胞的策略有助于早期胎盘形成的研究。人类滋养层干细胞 (hTSC) 为研究胎盘发育和功能提供了一个有价值的模型。虽然原代 hTSC 源自胚胎/早期胎盘,转分化的 hTSC 源自幼稚人类多能干细胞 (hPSC),但从引发的 PSC 生成 hTSC 存在问题。我们报告了从引发的 hPSC 成功生成 TSC,并表明 BMP4 显着增强了这一过程。源自引发的 hPSC 的 TSC 在形态、增殖、分化潜力和基因表达方面与囊胚衍生的 hTSC 相似。我们定义了指定 hPSC 衍生 TSC 的染色质可及性动力学和组蛋白修饰 (H3K4me3/H3K27me3)。与引发的 hPSC 衍生的 hTSC 中 H3K27me3 的低密度一致,我们表明 H3K27 甲基转移酶 (EZH1/2) 的敲除提高了从引发的 hPSC 衍生 hTSC 的效率。从引发的 hPSC 中有效衍生 hTSC,通过生成疾病特异性 hTSC,提供了一个简单而强大的模型来了解人类滋养层发育,包括滋养层相关疾病的发病机制。
A simple and efficient strategy to generate human trophoblast stem cells is reported to aid investigations of early placentation. Human trophoblast stem cells (hTSCs) provide a valuable model to study placental development and function. While primary hTSCs have been derived from embryos/early placenta, and transdifferentiated hTSCs from naïve human pluripotent stem cells (hPSCs), the generation of hTSCs from primed PSCs is problematic. We report the successful generation of TSCs from primed hPSCs and show that BMP4 substantially enhances this process. TSCs derived from primed hPSCs are similar to blastocyst-derived hTSCs in terms of morphology, proliferation, differentiation potential, and gene expression. We define the chromatin accessibility dynamics and histone modifications (H3K4me3/H3K27me3) that specify hPSC-derived TSCs. Consistent with low density of H3K27me3 in primed hPSC-derived hTSCs, we show that knockout of H3K27 methyltransferases (EZH1/2) increases the efficiency of hTSC derivation from primed hPSCs. Efficient derivation of hTSCs from primed hPSCs provides a simple and powerful model to understand human trophoblast development, including the pathogenesis of trophoblast-related disorders, by generating disease-specific hTSCs.
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