Genomics

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Unique Properties of a Subset of Human Pluripotent Stem Cells With High Capacity for Self-Renewal [FAST-ATAC]


ABSTRACT: Archetypal human pluripotent stem cells (hPSC) are widely considered to be equivalent in developmental status to mouse epiblast stem cells, which correspond to pluripotent cells at a late post-implantation stage of embryogenesis. Heterogeneity within hPSC cultures complicates this interspecies comparison. Here we show that a subpopulation of archetypal hPSC enriched for high self-renewal capacity (ESR) has distinct properties relative to the bulk of the population, including a cell cycle with a very low G1 fraction and a metabolomic profile that reflects a combination of oxidative phosphorylation and glycolysis. ESR cells are capable of differentiation into primordial germ cell-like cells. Global DNA methylation levels in the ESR subpopulation are lower than those in mouse epiblast stem cells. Chromatin accessibility analysis revealed a unique set of open chromatin sites in ESR cells. RNA-seq at the subpopulation and single cell levels shows that, unlike mouse epiblast stem cells, the ESR subset of hPSC displays no lineage priming, and that it can be clearly distinguished from gastrulating and extraembryonic cell populations in the primate embryo. ESR hPSC correspond to an earlier stage of post-implantation development than mouse epiblast stem cells. Overall design: hESC were FACS sorted using a panel of CD9, GCTM2 and EPCAM expression. The total population was surveyed for hESC cultured under defined conditions of matrigel and mTESR1 with and without the treatment of protein kinase c inhibitors. The triple-high sub-population of cells represents those hESC cultured under defined conditions expressing the highest level of markers.

INSTRUMENT(S): Illumina HiSeq 4000 (Homo sapiens)

ORGANISM(S): Homo sapiens  

SUBMITTER: Christopher Lee Baker  

PROVIDER: GSE147338 | GEO | 2020-03-30

REPOSITORIES: GEO

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