Epigenetic dynamics during capacitation of naïve human pluripotent stem cells.
Epigenetic dynamics during capacitation of naïve human pluripotent stem cells.
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DOI:
10.1126/sciadv.adg1936
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发表时间:
2023-09-29
期刊:
影响因子:
13.6
通讯作者:
von Meyenn, Ferdinand
中科院分区:
文献类型:
--
作者:
de Sousa, Joao Agostinho;Wong, Chee-Wai;Dunkel, Ilona;Owens, Thomas;Voigt, Philipp;Hodgson, Adam;Baker, Duncan;Schulz, Edda G.;Reik, Wolf;Smith, Austin;Rostovskaya, Maria;von Meyenn, Ferdinand
Human pluripotent stem cells (hPSCs) are of fundamental relevance in regenerative medicine. Naïve hPSCs hold promise to overcome some of the limitations of conventional (primed) hPSCs, including recurrent epigenetic anomalies. Naïve-to-primed transition (capacitation) follows transcriptional dynamics of human embryonic epiblast and is necessary for somatic differentiation from naïve hPSCs. We found that capacitated hPSCs are transcriptionally closer to postimplantation epiblast than conventional hPSCs. This prompted us to comprehensively study epigenetic and related transcriptional changes during capacitation. Our results show that CpG islands, gene regulatory elements, and retrotransposons are hotspots of epigenetic dynamics during capacitation and indicate possible distinct roles of specific epigenetic modifications in gene expression control between naïve and primed hPSCs. Unexpectedly, PRC2 activity appeared to be dispensable for the capacitation. We find that capacitated hPSCs acquire an epigenetic state similar to conventional hPSCs. Significantly, however, the X chromosome erosion frequently observed in conventional female hPSCs is reversed by resetting and subsequent capacitation. hPSCs capacitation in vitro recapitulates features of early human development and gives insights into epigenetic dynamics.
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DOI:
10.1073/pnas.1708341114
发表时间:
2017-11-07
影响因子:
11.1
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