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BMI1 Maintains the Regulatory T cell Epigenomic Landscape to Prevent Inflammatory Bowel Disease

ABSTRACT: BMI1 Maintains the Regulatory T cell Epigenomic Landscape to Prevent Inflammatory Bowel Disease

PROVIDER: PRJNA718598 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR14113782_1.fastq.gz	Fastqsanger.gz
	SRR14113782_2.fastq.gz	Fastqsanger.gz
	SRR14113783_1.fastq.gz	Fastqsanger.gz
	SRR14113783_2.fastq.gz	Fastqsanger.gz
	SRR14113784_1.fastq.gz	Fastqsanger.gz

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BMI1 Maintains the Regulatory T cell Epigenomic Landscape to Prevent Inflammatory Bowel Disease (Microarray)

Project description:BMI1 Maintains the Regulatory T cell Epigenomic Landscape to Prevent Inflammatory Bowel Disease (Microarray)

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BMI1 Maintains the Regulatory T cell Epigenomic Landscape to Prevent Inflammatory Bowel Disease (ChIP-Seq)

Project description:BMI1 Maintains the Regulatory T cell Epigenomic Landscape to Prevent Inflammatory Bowel Disease (ChIP-Seq)

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BMI1 Maintains the Regulatory T cell Epigenomic Landscape to Prevent Inflammatory Bowel Disease (Mouse ATAC-Seq)

Project description:BMI1 Maintains the Regulatory T cell Epigenomic Landscape to Prevent Inflammatory Bowel Disease (Mouse ATAC-Seq)

| PRJNA718602 | ENA

BMI1 Maintains the Regulatory T cell Epigenomic Landscape to Prevent Inflammatory Bowel Disease (Human ATAC-Seq)

Project description:BMI1 Maintains the Regulatory T cell Epigenomic Landscape to Prevent Inflammatory Bowel Disease (Human ATAC-Seq)

| PRJNA718603 | ENA

BMI1 Maintains the Regulatory T cell Epigenomic Landscape to Prevent Inflammatory Bowel Disease (Microarray)

Project description:FOXP3+ Treg cells are expanded within the inflamed intestine of human Crohn’s disease, yet FOXP3-mediated gene repression within these cells is lost. The Polycomb repressive complexes play a role in FOXP3 target gene regulation, but deeper mechanistic insight is incomplete. We have now specifically identified the Polycomb Repressive Complex 1 (PRC1) family member, BMI1 in the regulation of a pro-inflammatory enhancer network in both human and murine Tregs. Using human Tregs and lamina propria T cells, we inferred PRC1 to regulate Crohn’s associated gene networks through assays of chromatin accessibility. Conditional deletion of BMI1 in murine FOXP3+ cells led to systemic inflammation. BMI1-deficient Tregs beared a TH1/TH17-like phenotype as assessed by assays of genome wide transcription, chromatin accessibility and proteomic techniques. Finally, BMI1 mutant FOXP3+ cells did not suppress colitis in the adoptive transfer model of human inflammatory bowel disease. We propose that BMI1 plays an important role in enforcing Treg identity in vitro and in vivo. Loss of Treg identity via genetic or transient BMI1 depletion perturbs the epigenome and converts Tregs into Th1/Th17-like proinflammatory cells, a transition relevant to human Crohn’s disease associated CD4+ T cells.

2021-03-31 | GSE171189 | GEO

BMI1 Maintains the Regulatory T cell Epigenomic Landscape to Prevent Inflammatory Bowel Disease (ChIP-Seq)

2021-03-31 | GSE171188 | GEO

BMI1 Maintains the Regulatory T cell Epigenomic Landscape to Prevent Inflammatory Bowel Disease (Mouse ATAC-Seq)

2021-03-31 | GSE171187 | GEO

BMI1 Maintains the Regulatory T cell Epigenomic Landscape to Prevent Inflammatory Bowel Disease (Human ATAC-Seq)

2021-03-31 | GSE171186 | GEO

BMI1 maintains the Treg epigenomic landscape to prevent inflammatory bowel disease.

Project description:FOXP3+ Tregs are expanded within the inflamed intestine of human Crohn's disease, yet FOXP3-mediated gene repression within these cells is lost. The polycomb repressive complexes play a role in FOXP3 target gene regulation, but deeper mechanistic insight is incomplete. We have now specifically identified the polycomb-repressive complex 1 (PRC1) family member, BMI1 in the regulation of a proinflammatory enhancer network in both human and murine Tregs. Using human Tregs and lamina propria T cells, we inferred PRC1 to regulate Crohn's associated gene networks through assays of chromatin accessibility. Conditional deletion of BMI1 in murine FOXP3+ cells led to systemic inflammation. BMI1-deficient Tregs beared a TH1/TH17-like phenotype as assessed by assays of genome wide transcription, chromatin accessibility and proteomic techniques. Finally, BMI1 mutant FOXP3+ cells did not suppress colitis in the adoptive transfer model of human inflammatory bowel disease. We propose that BMI1 plays an important role in enforcing Treg identity in vitro and in vivo. Loss of Treg identity via genetic or transient BMI1 depletion perturbs the epigenome and converts Tregs into Th1/Th17-like proinflammatory cells, a transition relevant to human Crohn's disease associated CD4+ T cells.

| S-EPMC8203461 | biostudies-literature

BMI1 Maintains the Regulatory T cell Epigenomic Landscape to Prevent Inflammatory Bowel Disease

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

2021-03-31 | GSE171190 | GEO