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Genome-wide binding of Ikaros in naive CD4+ T cells and Th0 at day1

ABSTRACT: Genome-wide binding of Ikaros in naive CD4+ T cells and Th0 at day1

PROVIDER: PRJNA662892 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR12623422.fastq.gz	Fastqsanger.gz
	SRR12623423.fastq.gz	Fastqsanger.gz
	SRR12623424.fastq.gz	Fastqsanger.gz
	SRR12623425.fastq.gz	Fastqsanger.gz

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Genome-wide binding of Ikaros in naive CD4+ T cells and Th0 at day1

Project description:The aim of the project is to determine the binding sites of Ikaros in CD4+ T cells. To perform this, CD4 naive T cells (CD4 TN; d0) either rested or activated with anti-CD3+anti-CD28 Abs for 1 day (Th0 d1) were subjected to a ChIP using anti-Ikaros Ab followed by high throughput sequencing.

2021-04-26 | GSE157811 | GEO

RNA-SEQ analysis of CD4+ T cells in presence or absence of Ikaros.

Project description:We found by microarray analysis that Ikaros is critical to limit the expression of several pro-inflammatory genes during Th17 cell polarization. To unravel the role of Ikaros in the expression of pro-inflammatory genes without Th17 polarizing cytokines, we performed an RNA-seq analysis in naive CD4+ T cells and CD4+ T cells activated with anti-CD3+anti-CD28 antibodies (Th0 condition), from WT (Ikaros f/f CD4-Cre-) and Ikaros TKO mice (Ikaros f/f CD4-Cre+).

2021-04-26 | GSE157810 | GEO

Genome wide chromatin accessibility (ATAC-SEQ) in the presence or absence of Ikaros in CD4+ T cells.

Project description:We found that Ikaros is critical to limit the expression of pro-inflammatory cytokines in TCR/CD28-activated CD4+ T cells. To understand if Ikaros could modify the chromatin accessibility in regions controling the expression of these pro-inflammatory genes, we examined the chromatin state in naive CD4+ T cells and CD4+ T cells activated with anti-CD3+anti-CD28 antibodies for 1 and 2 days, from WT (Ikaros f/f CD4-Cre-) and Ikaros TKO mice (Ikaros f/f CD4-Cre+), using the ATAC-seq approach.

2021-04-26 | GSE157812 | GEO

intact Hi-C from naive thymus-derived CD4-positive, alpha-beta T cell (ENCSR215PTV)

Project description:naive CD4+ T cell Th0 effector resting intact mnase For data usage terms and conditions, please refer to http://www.genome.gov/27528022 and http://www.genome.gov/Pages/Research/ENCODE/ENCODE_Data_Use_Policy_for_External_Users_03-07-14.pdf

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LC-MS analysis of Murine eIF4E-BP1/2 Double Knockout naive and TCR stimulated CD4+ T cells

Project description:This project focuses on examining the differences in the global CD4+ T cell proteome between cells lacking the negative regulators of eIF4E( eIf4E-Binding Proteins 1/2) and WT naive CD4+ T cells both prior and following TCR stimulation.

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RNA sequencing of primary Naive CD4+ T cells and Activated Naive CD4+ T cells

Project description:RNA sequencing of the chromatin associated RNA and nucleoplasm associated RNA of Naive CD4+ T cells to identify novel chromatin associated RNAs containing TEs. RNA sequencing of Naive CD4+ T cells or Activated Naive CD4+ T cells treated with Scr or LINE1 antisense oligonucleotides (ASO).

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Role of Ikaros in the transcriptional signature of Th17 cells

Project description:We found that CD4+ T cells require Ikaros to promote IL-17 production when cultured in Th17 conditions. To understand why Ikaros null T cells do not produce IL-17, we analyzed the transcriptome of WT vs. Ikaros null naive CD4+ T cells both resting (day 0) or activated with anti-CD3 plus anti-CD28 antibodies, IL-6, TGFb1 and neutralizing anti-IFNg and anti-IL-4 antibodies (Th17 condition) for 1 or 2 days. Samples from 3 independent experiments were analyzed.

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Ikaros mediates gene silencing in T cells through Polycomb Repressive Complex 2 [ChIP-seq]

Project description:T cell development is accompanied by epigenetic changes that ensure the silencing of stem cell-related, and the activation of lymphocyte-specific programs. How transcription factors influence these changes remains unclear. We show that the Ikaros transcription factor interacts with the Polycomb Repressive Complex 2 (PRC2) in CD4-CD8- thymocytes, and allows its binding to >200 developmentally-regulated genes, many of which are expressed in hematopoietic stem cells. Loss of Ikaros in CD4-CD8- cells leads to diminished histone H3 Lys27 (H3K27) trimethylation and ectopic expression of these genes. Ikaros binding triggers PRC2 recruitment and H3K27 trimethylation. Furthermore, Ikaros interacts with PRC2 independently of the Nucleosome Remodeling and Deacetylation complex. Our results identify Ikaros as a fundamental regulator of PRC2 function in developing T cells. Genome-wide comparison of different histone modifications, Ikaros, Suz12 and NuRD binding in different stages of T cell development in WT and Ikaros mutant mice. Profiling of H3K27me3 in DN1, DN2, DN3, DN4 and DP thymocytes and hematopoietic stem and progenitor cells (LSK cells) of WT and Ikaros mutant mice. Profiling of H3K4me3 and H3ac in WT and Ikaros mutant DP thymocytes. Global analysis of Ikaros binding in WT DN3, DN4 and DP cells, Suz12 binding in WT and Ikaros mutant DN3 cells, and Mta2 and Mi2beta binding in WT DN3 cells. Genome-wide profiling of Ikaros binding and H3K27me3 upon Ikaros activation in Ikaros-deficient leukemic T cells.

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BLUEPRINT EpiVar RNA-seq for Naive naive CD4+ T-cells

Project description:BLUEPRINT EpiVar RNA-seq for Naive naive CD4+ T-cells

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ChIP sequencing on human, circulating, ex vivo isolated Naive CD4+ T cells and Naive Activated CD4+ T cells

Project description:H3K36me3 ChIP sequencing performed on circulating ex vivo isolated CD4+ Naive T cells and Activated CD4+ Naive T cells

2021-10-20 | E-MTAB-9572 | biostudies-arrayexpress