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Dissecting crosstalk between embryonic and extra-embryonic tissues with stem cell co-culture [I]

ABSTRACT: Dissecting crosstalk between embryonic and extra-embryonic tissues with stem cell co-culture [I]

PROVIDER: PRJNA739152 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR14861709_1.fastq.gz	Fastqsanger.gz
	SRR14861709_2.fastq.gz	Fastqsanger.gz
	SRR14861710_1.fastq.gz	Fastqsanger.gz
	SRR14861710_2.fastq.gz	Fastqsanger.gz
	SRR14861711_1.fastq.gz	Fastqsanger.gz

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Dissecting crosstalk between embryonic and extra-embryonic tissues with stem cell co-culture

Project description:Dissecting crosstalk between embryonic and extra-embryonic tissues with stem cell co-culture

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Dissecting crosstalk between embryonic and extra-embryonic tissues with stem cell co-culture [II]

Project description:Dissecting crosstalk between embryonic and extra-embryonic tissues with stem cell co-culture [II]

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Dissecting embryonic and extra-embryonic lineage crosstalk with stem cell co-culture.

Project description:Faithful embryogenesis requires precise coordination between embryonic and extraembryonic tissues. Although stem cells from embryonic and extraembryonic origins have been generated for several mammalian species(Bogliotti et al., 2018; Choi et al., 2019; Cui et al., 2019; Evans and Kaufman, 1981; Kunath et al., 2005; Li et al., 2008; Martin, 1981; Okae et al., 2018; Tanaka et al., 1998; Thomson et al., 1998; Vandevoort et al., 2007; Vilarino et al., 2020; Yu et al., 2021b; Zhong et al., 2018), they are grown in different culture conditions with diverse media composition, which makes it difficult to study cross-lineage communication. Here, by using the same culture condition that activates FGF, TGF-β and WNT signaling pathways, we derived stable embryonic stem cells (ESCs), extraembryonic endoderm stem cells (XENs) and trophoblast stem cells (TSCs) from all three founding tissues of mouse and cynomolgus monkey blastocysts. This allowed us to establish embryonic and extraembryonic stem cell co-cultures to dissect lineage crosstalk during early mammalian development. Co-cultures of ESCs and XENs uncovered a conserved and previously unrecognized growth inhibition of pluripotent cells by extraembryonic endoderm cells, which is in part mediated through extracellular matrix signaling. Our study unveils a more universal state of stem cell self-renewal stabilized by activation, as opposed to inhibition, of developmental signaling pathways. The embryonic and extraembryonic stem cell co-culture strategy developed here will open new avenues for creating more faithful embryo models and developing more developmentally relevant differentiation protocols.

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Dissecting crosstalk between embryonic and extra-embryonic tissues with stem cell co-culture [II]

Project description:Faithful embryogenesis requires the precise coordination between embryonic and extraembryonic tissues. Although embryonic and extraembryonic stem cells have been derived from several mammalian species including humans, they are cultured in different conditions, which makes it difficult to study their intercommunication. Here, by simultaneously activating FGF, TGF-β and WNT pathways, we derived stable pluripotent stem cells (PSCs), trophoblast stem cells (TSCs) and extraembryonic endoderm stem cells (XENs) from mouse blastocysts under the same condition (FTW). Co-culture of PSCs and XENs in the same environment uncovered, among other interactions, a previously unrecognized control of proliferation of epiblast cells by extraembryonic endoderm cells. FTW condition also supported de novo derivation of XENs from cynomolgus monkey and human blastocysts, and enabled setting up co-culture of human iPSCs and XENs. Crosspieces comparison revealed conserved and divergent processes and genes regulating XENs and ligand-receptor interactions between pluripotent and extraembryonic endoderm cells. Our study establishes a unique stem cell co-culture strategy to examine embryonic and extraembryonic lineage crosstalk during early mammalian development, and opens the door for developing more faithful in vitro models and differentiation protocols.

2023-12-19 | GSE233614 | GEO

Dissecting crosstalk between embryonic and extra-embryonic tissues with stem cell co-culture [I]

2023-04-13 | GSE178459 | GEO

Dissecting crosstalk between embryonic and extra-embryonic tissues with stem cell co-culture

Project description:This SuperSeries is composed of the SubSeries listed below.

2023-08-22 | GSE241465 | GEO

Dynamic proteomic profiling of extra-embryonic endoderm differentiation in mouse embryonic stem cells

Project description:During mammalian pre-implantation development, the cells of the blastocyst’s inner cell mass differentiate into the epiblast and primitive endoderm lineages, which give rise to the fetus and extra-embryonic tissues, respectively. Extra-embryonic endoderm differentiation can be modeled in vitro by induced expression of GATA transcription factors in mouse embryonic stem cells. Here we use this GATA-inducible system to quantitatively monitor the dynamics of global proteomic changes during the early stages of this differentiation event and also investigate the fully differentiated phenotype, as represented by embryo-derived extra-embryonic endoderm (XEN) cells. Using mass spectrometry-based quantitative proteomic profiling with multivariate data analysis tools, we reproducibly quantified 2,336 proteins across three biological replicates and have identified clusters of proteins characterized by distinct, dynamic temporal abundance profiles. We first used this approach to highlight novel marker candidates of the pluripotent state and extra-embryonic endoderm differentiation. Through functional annotation enrichment analysis, we have shown that the downregulation of chromatin-modifying enzymes, the re-organization of membrane trafficking machinery and the breakdown of cell-cell adhesion are successive steps of the extra-embryonic differentiation process. Thus, applying a range of sophisticated clustering approaches to a time-resolved proteomic dataset has allowed the elucidation of complex biological processes which characterize stem cell differentiation and could establish a general paradigm for the investigation of these processes.

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