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Genome-wide examination of ETS1 genomic occupation from pluripotent to cardiac hESC

ABSTRACT: Genome-wide examination of ETS1 genomic occupation from pluripotent to cardiac hESC

PROVIDER: PRJNA533339 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR8924640_1.fastq.gz	Fastqsanger.gz
	SRR8924640_2.fastq.gz	Fastqsanger.gz
	SRR8924641_1.fastq.gz	Fastqsanger.gz
	SRR8924641_2.fastq.gz	Fastqsanger.gz
	SRR8924642_1.fastq.gz	Fastqsanger.gz

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Genome-wide examination of ETS1 genomic occupation from pluripotent to cardiac hESC

Project description:Examination of genomic occupation of ETS1 on Day 0, 2, 5, 9 and 14 hESC-derived cardiomyocyte via ChIP-seq.

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The transcription factor ETS1 is a master regulator of human NK cell differentiation [ChIP-seq]

Project description:Natural killer (NK) cells are innate lymphoid cells that play a critical role in the direct immune defense against tumor cells and pathogens, and additionally have important immune regulatory functions by cytokine secretion. Whereas NK cell biology has been extensively studied in mouse models, transcriptional control of human NK cell differentiation is poorly understood. In this study, we generated ETS1-deficient human embryonic stem cell (hESC) clones using the CRISPR/Cas9 technology. In a complementary approach, we generated ETS1 loss-of-function cord blood hematopoietic stem cells (HSCs) by retroviral transduction of the dominant-negative ETS1 p27 isoform. We show that the transcription factor ETS1 is required for human NK cell differentiation. Transcriptome and ChIP analysis reveal that ETS1 directly regulates expression of several NK cell-linked transcription factors. Also, expression of genes involved in cytokine secretion and cytotoxic activity is ETS1-dependent, whereby these effector functions are decreased in residual NK cells developing from ETS1 loss-of-function cord blood hematopoietic stem cells. Our data show that ETS1 is a critical regulator of human NK cell development and function, and provide important insights in the underlying molecular mechanisms.

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Expression data of Rag2-deficient Ets1++ and Rag2-deficient Ets1-- mature NK cells and WT bone marrow progenitors

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TMT characterisation: iPSC vs hESC

Project description:Detailed comparison of human pluripotent stem cells, to determine how hESC and iPSC differ in their protein expression profiles. The data was acquired in a TMT 10-plex SPS-MS3. 4 replicates of hESC compared to 4 replicates of HipSci human iPSCs.

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Effect of Ets1 knockdown in the P5424 thymic cell line

Project description:We performed ChIP-Seq for Ets1 and histone modifications in P5424 thymic cells, without and with Ets1 knockdown via shRNA. Overall, we find that loss of Ets1 results in specific, higher occupancy of H3K4me1-marked nucleosomes at the Ets1 binding site, but not H3K4me3 nucleosomes. We verified the specificity of this mechanism as Ets1-dependent by also computing H3K4me1 and 3 nucleosome occupancy in hypersensitive, Ets1-depleted sites. This effect was also found in primary WT DN+DP Ets1 sites. Overall, this suggests that Ets1 induces chromatin remodeling and that its loss increases H3K4me1 nucleosome occupancy in bound sites, with levels of H3K4me3 comparatively unchanged, thus reducing the activation status of these enhancers Genome-wide analysis via ChIP-Seq for Ets1, H3K4me1 and H3K4me3 in WT, sh-scramble and sh-Ets1 the P5424 thymic cell line

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Gene expression analysis of Ets1-/- CD4+ CD8+ thymocytes

Project description:We performed ChIP-Seq for hallmark TFs (Ets1, Runx1), histone modification marks (H3K4me1, H3K4me2, H3K4me3, H3K27me3, H3K36me3), total RNA Pol II, short RNA-Seq as well as nucleosome mapping mainly in murine Rag2 -/- thymocytes. We also performed ChIP-Seq for E47 as well as nucleosome mapping, gene expression microarray analysis in CD4+ CD8+ WT and Ets1-/- DP thymocytes. Overall, we find a key role for the transcription factor Ets1, contributing towards alpha beta T cell lineage commitment via differential transactivation of stage-specific genes orchestrated by dynamic, co-association -mediated chromatin remodeling, as well as transcription dependent generation of a specialized chromatin structure at the TCR beta locus. Genome-wide analysis via ChIP-Seq for Ets1, Runx1, total RNA Pol II binding, H3K4me1, H3K4me2, H3K4me3, H3K27me3, H3K36me3, short RNA-Seq, Mnase-Seq in murine Rag2 -/- thymocytes, ChIP-Seq for E47, Mnase-Seq and gene expression microarray analysis in DP thymocytes Gene expression analysis of Ets1-/- CD4+ CD8+ thymocytes

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Project description:To characterize the effect of loss of Ets1 in Non-TFH and TFH cells, we performed gene expression RNAseq analysis for T follicular helper (TFH) and Non-T follicular helper (Non-TFH) cells in WT (Ets1 fl/fl) and Ets1 KO (CD4-cre Ets1 fl/fl) mice.

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