Epiblast stem cell subpopulations represent mouse embryos of distinct pregastrulation stages - PubMed (original) (raw)
. 2010 Nov 12;143(4):617-27.
doi: 10.1016/j.cell.2010.10.015.
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- PMID: 21056461
- DOI: 10.1016/j.cell.2010.10.015
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Epiblast stem cell subpopulations represent mouse embryos of distinct pregastrulation stages
Dong Wook Han et al. Cell. 2010.
Free article
Abstract
Embryonic stem cells (ESCs) comprise at least two populations of cells with divergent states of pluripotency. Here, we show that epiblast stem cells (EpiSCs) also comprise two distinct cell populations that can be distinguished by the expression of a specific Oct4-GFP marker. These two subpopulations, Oct4-GFP positive and negative EpiSCs, are capable of converting into each other in vitro. Oct4-GFP positive and negative EpiSCs are distinct from ESCs with respect to global gene expression pattern, epigenetic profile, and Oct4 enhancer utilization. Oct4-GFP negative cells share features with cells of the late mouse epiblast and cannot form chimeras. However, Oct4-GFP positive EpiSCs, which only represent a minor EpiSC fraction, resemble cells of the early epiblast and can readily contribute to chimeras. Our findings suggest that the rare ability of EpiSCs to contribute to chimeras is due to the presence of the minor EpiSC fraction representing the early epiblast.
Copyright © 2010 Elsevier Inc. All rights reserved.
Comment in
- Another horse in the meta-stable state of pluripotency.
Cherry A, Daley GQ. Cherry A, et al. Cell Stem Cell. 2010 Dec 3;7(6):641-2. doi: 10.1016/j.stem.2010.11.020. Cell Stem Cell. 2010. PMID: 21112555 No abstract available.
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