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Human Induced Trophoblast Stem Cells

ABSTRACT: Induction of Human Trophoblast Stem Cells from Somatic Cells and Pluripotent Stem Cells

PROVIDER: PRJEB34037 | ENA |

REPOSITORIES: ENA

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			Action	DRS
		Other
	ERR3487180.fastq.gz	Fastqsanger.gz
	ERR3487200.fastq.gz	Fastqsanger.gz
	ERR3487230.fastq.gz	Fastqsanger.gz
	ERR3487240.fastq.gz	Fastqsanger.gz

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Polycomb Repressive Complex 2 Restricts Human Naive Pluripotent Stem Cell to Trophoblast Fate Induction

Project description:Human naive pluripotent stem cells have unrestricted lineage potential. Underpinning this property, naive cells are thought to lack chromatin-based lineage barriers. However, this assumption has not been tested. Here, we apply multi-omics to comprehensively define the chromatin-associated proteome, histone post-translational modifications and transcriptome of human naive and primed pluripotent stem cells. Integrating the chromatin-bound proteome and histone modification data sets reveals differences in the relative abundance and activities of distinct chromatin modules, identifying a strong enrichment of Polycomb Repressive Complex 2 (PRC2)-associated H3K27me3 in naive pluripotent stem cell chromatin. Single-cell approaches and human blastoid models reveal that PRC2 activity acts as a chromatin barrier restricting the differentiation of naive cells towards the trophoblast lineage, and inhibiting PRC2 promotes trophoblast fate induction and cavity formation. Our results establish that human naive pluripotent stem cells are not epigenetically unrestricted, but instead possess chromatin mechanisms that oppose the induction of alternative cell fates.

2022-05-06 | PXD028111 | Pride

Induction of trophoblast stem cells from human pluripotent stem cells

Project description:Induction of trophoblast stem cells from human pluripotent stem cells

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Integrated Multi-Omics Reveal Polycomb Repressive Complex 2 Restricts Human Trophoblast Induction

Project description:Human naive pluripotent stem cells have unrestricted lineage potential. Underpinning this property, naive cells are thought to lack chromatin-based lineage barriers. However, this assumption has not been tested. Here, we define the chromatin-associated proteome, histone post-translational modifications and transcriptome of human naive and primed pluripotent stem cells. Our integrated analysis reveals differences in the relative abundance and activities of distinct chromatin modules. We identify a strong enrichment of Polycomb Repressive Complex 2 (PRC2)-associated H3K27me3 in naive pluripotent stem cell chromatin, and H3K27me3 enrichment at promoters of lineage-determining genes, including trophoblast regulators. PRC2 activity acts as a chromatin barrier restricting the differentiation of naive cells towards the trophoblast lineage, while inhibition of PRC2 promotes trophoblast fate induction and cavity formation in human blastoids. Together, our results establish that human naive pluripotent stem cells are not epigenetically unrestricted, but instead possess chromatin mechanisms that oppose the induction of alternative cell fates.

2022-05-09 | PXD032792 | Pride

Induction of human trophoblast stem-like cells from primed pluripotent stem cells

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Induction of trophoblast stem cells from human pluripotent stem cells [ATAC-seq]

Project description:Induction of trophoblast stem cells from human pluripotent stem cells [ATAC-seq]

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Induction of trophoblast stem cells from human pluripotent stem cells [RNA-seq]

Project description:Induction of trophoblast stem cells from human pluripotent stem cells [RNA-seq]

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Project description:Induction of trophoblast stem cells from human pluripotent stem cells [ChIP-seq]

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Integrated Multi-Omics Reveal Polycomb Repressive Complex 2 Restricts Human Trophoblast Induction

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ESRRB Facilitates the Conversion of Trophoblast-like Stem Cells from Induced Pluripotent Stem cells by Directly Regulating KRT8 and CDX2

Project description:Porcine induced pluripotent stem cells (piPSCs) could serve as a great model system for human stem cell pre-clinical research. However, the pluripotency gene network of piPSCs, especially the function for the core transcription factor ESRRB, was poorly understood. Here, we constructed ESRRB-overexpressing piPSCs (ESRRB-piPSCs). Compared with the control piPSCs (CON-piPSCs), the ESRRB-piPSCs showed flat, monolayered colony morphology. Moreover, the ESRRB-piPSCs showed greater chimeric capacity into trophectoderm than CON-piPSCs. We found that ESRRB could directly regulate the expressions of trophoblast stem cell (TSC)-specific markers, including KRT8, KRT18 and CDX2, through binding to their promoter regions. Mutational analysis proved that the N-terminus zinc finger domain is indispensable for ESRRB to regulate the TSC markers. Furthermore, this regulation needs the participation of OCT4. Accordingly, the cooperation between ESRRB and OCT4 facilitates the conversion from pluripotent state to the trophoblast-like state.

2022-02-17 | PXD027539 | Pride

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