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Mus musculus

ABSTRACT: Genome-wide mapping of Klf4 and Klf5 in pluripotent mouse embryonic stem cells (ESCs)

PROVIDER: PRJNA215104 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR1166703.fastq.gz	Fastqsanger.gz
	SRR1166704.fastq.gz	Fastqsanger.gz
	SRR952210.fastq.gz	Fastqsanger.gz
	SRR952211.fastq.gz	Fastqsanger.gz
	SRR952212.fastq.gz	Fastqsanger.gz

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ChIP-chip on custom NimbleGen genomic tiling arrays

Project description:Performing Chromatin IP of Klf2, Klf4, Klf5 and p53 in mouse embryonic stem cells with NimbleGen custom genomic tiling arrays, we sought to decipher Klf2, Klf4, Klf5-regulated genes. 12 samples: Chromatin IP of Klf2, Klf4, Klf5 and p53 in mouse embryonic stem cells with NimbleGen custom genomic tiling arrays; three independent experimental replicates for each experimental condition were performed.

2010-05-26 | E-GEOD-9774 | biostudies-arrayexpress

Identifying targets of Klf2, Klf4, Klf5 and p53 in mouse embryonic stem cells

Project description:This SuperSeries is composed of the following subset Series: GSE9774: Klf2, Klf4, Klf5 and p53 in mouse embryonic stem cells GSE9775: To identify the target genes of Klf2, Klf4 and Klf5 in mouse embryonic stem cells. Keywords: SuperSeries Refer to individual Series

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FunGenES: INS-3-1: Expression profiling of CGR8 cells after downregulation of Klf4 or Klf5.

Project description:This experiment is part of the FunGenES project (FunGenES - Functional Genomics in Embryonic Stem Cells partially funded by the 6th Framework Programme of the European Union, http://www.fungenes.org). The experiment was conducted at Inserm U846, Bron, France. Aim: Kru_ppel-like factors (Klf) 4 and 5 are two closely related members of the Klf family, known to play key roles in somatic cell reprogramming and in self-renewal of pluripotent stem cells. In this study, we focused on the functional divergence between Klf4 and Klf5. We showed that Klf4 and Klf5 regulate the expression of distinct subsets of genes. Klf4 negatively regulates the expression of endodermal markers, some of which encode transcription factors involved in the commitment of pluripotent system cells to endoderm differentiation. In contrast, Klf5 negatively regulates the expression of mesodermal markers, some of which controls commitment to the mesoderm lineage. Functional studies with reporter cell lines indicate that knockdown of Klf4 enhances differentiation toward visceral endoderm, mesendoderm, and definitive endoderm, whereas knockdown of Klf5 specifically enhances differentiation toward mesoderm. Thus, additive functions of Klf4 and Klf5 secure pluripotent stem cell propagation by inhibiting endoderm and mesoderm differentiation.

2014-04-28 | E-MTAB-1838 | biostudies-arrayexpress

FunGenES: INS-4-1: Expression profiling of CGR8 cells after upregulation of Klf4 or Klf5 expression.

Project description:This experiment is a follow-up experiment of the FunGenES project (FunGenES - Functional Genomics in Embryonic Stem Cells partially funded by the 6th Framework Programme of the European Union, http://www.fungenes.org). The experiment was conducted at Inserm U846, Bron, France. Aim: Kru_ppel-like factors (Klf) 4 and 5 are two closely related members of the Klf family, known to play key roles in somatic cell reprogramming and in self-renewal of pluripotent stem cells. In this study, we focused on the functional divergence between Klf4 and Klf5. We showed that Klf4 and Klf5 regulate the expression of distinct subsets of genes. Klf4 negatively regulates the expression of endodermal markers, some of which encode transcription factors involved in the commitment of pluripotent system cells to endoderm differentiation. In contrast, Klf5 negatively regulates the expression of mesodermal markers, some of which controls commitment to the mesoderm lineage. Functional studies with reporter cell lines indicate that knockdown of Klf4 enhances differentiation toward visceral endoderm, mesendoderm, and definitive endoderm, whereas knockdown of Klf5 specifically enhances differentiation toward mesoderm. Thus, additive functions of Klf4 and Klf5 secure pluripotent stem cell propagation by inhibiting endoderm and mesoderm differentiation.

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Metabolomics Workbench ST000003 - GNPS - Metabolomic analysis of mouse embryonic fibroblasts, embryonic stem cells, and induced pluripotent stem cells

Project description:mouse embryonic fibroblasts, embryonic stem cells, and induced pluripotent stem cells were compared via metabolomic analysis

2018-08-02 | MSV000082680 | GNPS

ChIP-chip on custom NimbleGen genomic tiling arrays

2008-02-11 | GSE9774 | GEO

Genome-wide mapping of Klf4 and Klf5 in pluripotent mouse embryonic stem cells (ESCs)

Project description:We identified the binding profile of Klf4 and Klf5, which are both transcription facyors involved in the maintenance of pluripotency of ESCs by inhibiting their differentiation either into endoderm or mesoderm respectively. Undifferentiated mouse ESCs were used to identify Klf4 and Klf5 bidning sites

2014-04-25 | E-GEOD-49848 | biostudies-arrayexpress

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Project description:Human and mouse embryonic stem cells (ESCs) are derived from blastocyst stage embryos but have very different biological properties, and molecular analyses suggest that the pluripotent state of human ESCs isolated so far corresponds to that of mouse derived epiblast stem cells (EpiSCs). Here we rewire the identity of conventional human ESCs into a more immature state that extensively shares defining features with pluripotent mouse ESCs. This was achieved by exogenous induction of Oct4, Klf4 and Klf2 factors combined with LIF and inhibitors of glycogen synthase kinase 3 (GSK3) and mitogen-activated protein kinase (ERK) pathway. Forskolin, a protein kinase A pathway agonist that induces Klf4 and Klf2 expression, can transiently substitute for the requirement for ectopib transgene expression. In contrast to conventional human ESCs, these epigenetically converted cells have growth properties, an X chromosome activation state (XaXa), a gene expression profile, and signaling pathway dependence that are highly similar to that of mouse ESCs. Finally, the same growth conditions allow the derivation of human induced pluripotent stem (iPS) cells with similar properties as mouse iPS cells. The generation of ânaÃ¯veâ human ESCs will allow the molecular dissection of a previously undefined pluripotent state in humans, and may open up new opportunities for patient-specific, disease-relevant research. RNA of different naive and primed hESCs and hiPSCs cell lines were hybridized to get a genome-wide gene expression profile of these cells

2010-05-07 | E-GEOD-21222 | biostudies-arrayexpress

Krüppel-like factor 5 rewires NANOG regulatory network to activate human morulablastocyst specific LTR7Y and promote naïve pluripotency [RNA-seq]

Project description:Transcriptome profiling for KLF4 and/or KLF5 knockout lines in human naïve embryonic stem cells Transcriptome profiling for CRISPRa-LTR7Y or KLF5 overexpression in primed human embryonic stem cells

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A balanced Oct4 protein interaction network is crucial for maintaining pluripotency

Project description:Oct4 is considered a master transcription factor for pluripotent cell self-renewal and embryo development. It primarily collaborates with other transcriptional factors or coregulators to maintain pluripotency. However, it is still unclear how Oct4 interacts with its partners. Here, we show that the Oct4 linker interface mediates competing and balanced Oct4 protein interactions which are crucial for maintaining pluripotency. Linker mutant ESCs maintain the key pluripotency genes expression, but show decreased expression of self-renewal genes and increased expression of differentiation genes which result in impaired ESCs self-renewal and early embryonic lethality. Linker mutation dose not affect Oct4 genomic binding and transactivation potential, but breaks the balanced Oct4 interactome. In mutant ESCs, the interaction between Oct4 and Klf5 was decreased, but interactions between Oct4 and Cbx1, Ctr9, Cdc73 were increased which disrupt the epigenetic state of ESCs. Overexpression of Klf5 or knockdown Cbx1, Cdc73 rescue the cellular phenotype of linker mutant ESCs by rebalancing Oct4 interactome indicating that different partners interact with Oct4 competitively. Thus, by showing how Oct4 interacts with different partners, we provide novel molecular insights to explain how Oct4 contributes to the maintenance of pluripotency.

2021-12-10 | PXD017456 | Pride

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