Characterization of extraembryonic endoderm-like cells from mouse embryonic fibroblasts induced using chemical alone
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ABSTRACT:
PROVIDER: PRJNA563823 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR10065236_1.fastq.gz | Fastqsanger.gz | |||
| SRR10065236_2.fastq.gz | Fastqsanger.gz | |||
| SRR10065237_1.fastq.gz | Fastqsanger.gz | |||
| SRR10065237_2.fastq.gz | Fastqsanger.gz | |||
| SRR10065238_1.fastq.gz | Fastqsanger.gz |
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Project description:We reprogrammed mouse embryonic fibroblasts (MEFs) into extraembryonic endoderm-like cells by small molecule-only. To further reveal its properties, the gene expression profiles of these cells were further analyzed by RNA sequencing.
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Project description:Transcription factor-mediated reprogramming is a powerful method to study cell fate changes. In this work, we demonstrate that the transcription factor Gata6 can initiate reprograming of multiple cell types to induced extraembryonic endoderm (iXEN) cells. Intriguingly, Gata6 is sufficient to drive iXEN cells from mouse pluripotent cells and differentiated neural cells. Furthermore, GATA6 induction in human ES (hES) cells also downregulates pluripotency gene expression and upregulates extraembryonic endoderm genes, revealing a conserved function in mediating this cell fate switch. Profiling transcriptional changes following Gata6 induction in mES cells reveals step-wise pluripotency factor disengagement, with initial repression of Nanog and Esrrb, then Sox2 and finally Oct4, alongside step-wise activation of extraembryonic endoderm genes. Chromatin immunoprecipitation and subsequent high-throughput sequencing analysis shows Gata6 enrichment near both pluripotency and endoderm genes, suggesting that Gata6 functions as both a direct repressor and activator. Together this demonstrates that Gata6 is a versatile and potent reprogramming factor that can act alone to drive a cell fate switch from diverse cell types. Time-course microarray analysis of Gata6-mediated reprogramming from 12 to 144 hours of doxycycline treatment in mouse embryonic stem (mES) cells compared to uninduced mES cells, embryo-derived extraembryonic endoderm (XEN) cells and Sox7 overexpressing mES cells after 144 hours of doxycycline treatment.
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Project description:Extraembryonic mesoderm (ExM) is one of the first cell types that emerges during embryogenesis and constitutes essential supportive tissues for the pregnancy. Primate ExM is known to form prior to gastrulation, unlike its murine counterpart which is derived from the primitive streak. Based on the embryonic morphology and the proximity of ExM to the extraembryonic endoderm (hypoblast), we hypothesised that ExM can be derived in vitro from the naïve extraembryonic endoderm (nEnd) cell line. We applied a mesoderm differentiation protocol, which has been reported to induce ExM from mouse epiblast stem cells, on human nEnd and analysed the transcriptome on day 0, 1, 2, 8 and 15.
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Project description:Transcription factor-mediated reprogramming is a powerful method to study cell fate changes. In this work, we demonstrate that the transcription factor Gata6 can initiate reprograming of multiple cell types to induced extraembryonic endoderm (iXEN) cells. Intriguingly, Gata6 is sufficient to drive iXEN cells from mouse pluripotent cells and differentiated neural cells. Furthermore, GATA6 induction in human ES (hES) cells also downregulates pluripotency gene expression and upregulates extraembryonic endoderm genes, revealing a conserved function in mediating this cell fate switch. Profiling transcriptional changes following Gata6 induction in mES cells reveals step-wise pluripotency factor disengagement, with initial repression of Nanog and Esrrb, then Sox2 and finally Oct4, alongside step-wise activation of extraembryonic endoderm genes. Chromatin immunoprecipitation and subsequent high-throughput sequencing analysis shows Gata6 enrichment near both pluripotency and endoderm genes, suggesting that Gata6 functions as both a direct repressor and activator. Together this demonstrates that Gata6 is a versatile and potent reprogramming factor that can act alone to drive a cell fate switch from diverse cell types.
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Project description:The visceral endoderm (VE) is an epithelial tissue in the early postimplantation mouse embryo that encapsulates the pluripotent epiblast distally and the extraembryonic ectoderm proximally. In addition to facilitating nutrient exchange before the establishment of a circulation, the VE is critical for patterning the epiblast. Since VE is derived from the primitive endoderm (PrE) of the blastocyst, and PrE-derived eXtraembryonic ENdoderm (XEN) cells can be propagated in vitro, XEN cells should provide an important tool for identifying factors that direct VE differentiation. In this study, we demonstrated that BMP4 signalling induces the formation of a polarized epithelium in XEN cells. This morphological transition was reversible, and was associated with the acquisition of a molecular signature comparable to extraembryonic (ex) VE. Resembling exVE which will form the endoderm of the visceral yolk sac, BMP4-treated XEN cells regulated hematopoiesis by stimulating the expansion of primitive erythroid progenitors. We also observed that LIF exerted an antagonistic effect on BMP4-induced XEN cell differentiation, thereby impacting the extrinsic conditions used for the isolation and maintenance of XEN cells in an undifferentiated state. Taken together, our data suggest that XEN cells can be differentiated towards an exVE identity upon BMP4 stimulation, and therefore represent a valuable tool for investigating PrE lineage differentiation. Total RNA isolated in triplicate from XEN stem cell cultures that were untreated (samples 1-3) or treated with BMP4 growth factor (samples 4-6). Total RNA isolated in triplicate from XEN stem cells that were treated with BMP4 and were flow sorted as Afp::GFP-positive (samples 7-9) or Afp::GFP-negative (samples 10-12).
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Project description:Transcription factor-mediated reprogramming is a powerful method to study cell fate changes. In this work, we demonstrate that the transcription factor Gata6 can initiate reprograming of multiple cell types to induced extraembryonic endoderm (iXEN) cells. Intriguingly, Gata6 is sufficient to drive iXEN cells from mouse pluripotent cells and differentiated neural cells. Furthermore, GATA6 induction in human ES (hES) cells also downregulates pluripotency gene expression and upregulates extraembryonic endoderm genes, revealing a conserved function in mediating this cell fate switch. Profiling transcriptional changes following Gata6 induction in mES cells reveals step-wise pluripotency factor disengagement, with initial repression of Nanog and Esrrb, then Sox2 and finally Oct4, alongside step-wise activation of extraembryonic endoderm genes. Chromatin immunoprecipitation and subsequent high-throughput sequencing analysis shows Gata6 enrichment near both pluripotency and endoderm genes, suggesting that Gata6 functions as both a direct repressor and activator. Together this demonstrates that Gata6 is a versatile and potent reprogramming factor that can act alone to drive a cell fate switch from diverse cell types.
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Project description:To identify splicing regulators with unique regulation in placenta and the trophectoderm lineage, we sequenced trophoblast stem (TS) and Extraembryonic endoderm stem (XEN) cells.
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Project description:Transcription factor-mediated reprogramming is a powerful method to study cell fate changes. In this work, we demonstrate that the transcription factor Gata6 can initiate reprograming of multiple cell types to induced extraembryonic endoderm (iXEN) cells. Intriguingly, Gata6 is sufficient to drive iXEN cells from mouse pluripotent cells and differentiated neural cells. Furthermore, GATA6 induction in human ES (hES) cells also downregulates pluripotency gene expression and upregulates extraembryonic endoderm genes, revealing a conserved function in mediating this cell fate switch. Profiling transcriptional changes following Gata6 induction in mES cells reveals step-wise pluripotency factor disengagement, with initial repression of Nanog and Esrrb, then Sox2 and finally Oct4, alongside step-wise activation of extraembryonic endoderm genes. Chromatin immunoprecipitation and subsequent high-throughput sequencing analysis shows Gata6 enrichment near both pluripotency and endoderm genes, suggesting that Gata6 functions as both a direct repressor and activator. Together this demonstrates that Gata6 is a versatile and potent reprogramming factor that can act alone to drive a cell fate switch from diverse cell types. (1) Microarray analysis of Gata6 overexpressing cells from 12 to 144 hours of doxycycline treatment in mouse embryonic stem (mES) cells compared to uninduced mES cells, embryo-derived XEN cells and Sox7 overexpressing mES cells after 144 hours of doxycycline treatment. (2) ChIP-seq analysis of Gata6 binding 36 hours following doxycycline treatment. (3) ChIP-seq analysis of Gata6 binding in embryo-derived XEN cells. (4) RNA-seq analysis of GATA6 overexpressing cells following 144 hours of induction in hES cells.
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Project description:Induction of the Arf tumor suppressor in response to hyperproliferative stress following oncogene activation activates a p53-dependent transcriptional program that limits the expansion of incipient cancer cells. Although Arf is not expressed in most tissues of fetal or young adult mice, it is physiologically expressed in the fetal yolk sac, a tissue derived from the extraembryonic endoderm. We demonstrate that expression of the mouse p19Arf protein marks late stages of extraembryonic endoderm differentiation in cultured embryoid bodies derived from either embryonic stem cells or induced pluripotent stem cells, and that Arf inactivation specifically delays the differentiation of the extraembryonic endoderm lineage, but not the formation of other germ cell lineages from pluripotent progenitors. Arf is required for the timely induction of extraembryonic endodermal cells in response to Ras/Erk signaling and, in turn, acts through p53 to ensure extraembryonic endoderm lineage development, but not maintenance. Remarkably, a significant temporal delay in extraembryonic endoderm differentiation detected during the maturation of Arf-null embryoid bodies is rescued by enforced expression of miR-205, a micro-RNA up-regulated by p19Arf and p53. Introduction of miR-205 into Arf-null embryonic stem cells rescues defective ExEn formation and elicits a program of gene expression that controls the migration and adhesion of embryonic endodermal cells. This occurs, at least in part, through atypical regulation of genes that control the epithelial-to-mesenchymal transition in cancer cells. Our findings suggest that noncanonical and canonical roles of Arf in extraembryonic endoderm development and tumor suppression, respectively, may be conceptually linked through mechanisms that govern cell-to-cell attachment and migration. 4 samples total two each at two time points in ESC development At each time point one sample was treted with miR-205 and the other with a GFP control vector
2013-04-01 | E-GEOD-42210 | biostudies-arrayexpress
Project description:The visceral endoderm (VE) is an epithelial tissue in the early postimplantation mouse embryo that encapsulates the pluripotent epiblast distally and the extraembryonic ectoderm proximally. In addition to facilitating nutrient exchange before the establishment of a circulation, the VE is critical for patterning the epiblast. Since VE is derived from the primitive endoderm (PrE) of the blastocyst, and PrE-derived eXtraembryonic ENdoderm (XEN) cells can be propagated in vitro, XEN cells should provide an important tool for identifying factors that direct VE differentiation. In this study, we demonstrated that BMP4 signalling induces the formation of a polarized epithelium in XEN cells. This morphological transition was reversible, and was associated with the acquisition of a molecular signature comparable to extraembryonic (ex) VE. Resembling exVE which will form the endoderm of the visceral yolk sac, BMP4-treated XEN cells regulated hematopoiesis by stimulating the expansion of primitive erythroid progenitors. We also observed that LIF exerted an antagonistic effect on BMP4-induced XEN cell differentiation, thereby impacting the extrinsic conditions used for the isolation and maintenance of XEN cells in an undifferentiated state. Taken together, our data suggest that XEN cells can be differentiated towards an exVE identity upon BMP4 stimulation, and therefore represent a valuable tool for investigating PrE lineage differentiation.
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