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Increased EZH2 function in regulatory T cells promotes their capacity to suppress autoimmunity by driving effector differentiation prior to activation.

ABSTRACT: Increased EZH2 function in regulatory T cells promotes their capacity to suppress autoimmunity by driving effector differentiation prior to activation.

PROVIDER: PRJNA1090440 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR28408800_1.fastq.gz	Fastqsanger.gz
	SRR28408800_2.fastq.gz	Fastqsanger.gz
	SRR28408801_1.fastq.gz	Fastqsanger.gz
	SRR28408801_2.fastq.gz	Fastqsanger.gz
	SRR28408802_1.fastq.gz	Fastqsanger.gz

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Increased EZH2 function in regulatory T cells promotes their capacity to suppress autoimmunity by driving effector differentiation prior to activation [CUT&RUN]

Project description:Increased EZH2 function in regulatory T cells promotes their capacity to suppress autoimmunity by driving effector differentiation prior to activation [CUT&RUN]

| PRJNA1090445 | ENA

Increased EZH2 function in regulatory T cells promotes their capacity to suppress autoimmunity by driving effector differentiation prior to activation [RNA-seq]

Project description:Increased EZH2 function in regulatory T cells promotes their capacity to suppress autoimmunity by driving effector differentiation prior to activation [RNA-seq]

| PRJNA1090444 | ENA

Increased EZH2 function in regulatory T cells promotes their capacity to suppress autoimmunity by driving effector differentiation prior to activation [RNA-seq]

Project description:The immunosuppressive function of regulatory T (Treg) cells is essential for maintaining immune homeostasis. Enhancer of zeste homolog 2 (EZH2), a histone H3 lysine 27 (H3K27) methyltransferase, plays a key role in maintaining Treg cell function upon CD28 co-stimulation, and Ezh2 deletion in Treg cells causes autoimmunity. Here we assessed whether increased EZH2 activity in Treg cells would improve Treg cell function. Using an Ezh2 gain-of-function mutation, Ezh2Y641F, we found that Treg cells expressing Ezh2Y641F displayed an increased effector Treg phenotype and were poised for improved homing to organ tissues. Expression of Ezh2Y641F in Treg cells led to more rapid remission from autoimmunity. H3K27me3 profiling and transcriptomic analysis revealed a redistribution of H3K27me3, which prompted a gene expression profile in naïve Ezh2Y641F Treg cells that recapitulated aspects of CD28-activated Ezh2WT Treg cells. Altogether, increased EZH2 activity promotes the differentiation of effector Treg cells that can better suppress autoimmunity.

2024-09-10 | GSE262130 | GEO

Increased EZH2 function in regulatory T cells promotes their capacity to suppress autoimmunity by driving effector differentiation prior to activation [CUT&RUN]

2024-09-10 | GSE262129 | GEO

Increased EZH2 function in regulatory T cells promotes their capacity to suppress autoimmunity by driving effector differentiation prior to activation.

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

2024-09-10 | GSE262131 | GEO

Id proteins suppress E2A-driven iNKT cell development prior to TCR selection

Project description:Id proteins suppress E2A-driven iNKT cell development prior to TCR selection

| PRJNA353589 | ENA

Id proteins suppress E2A-driven iNKT cell development prior to TCR selection [RNA-seq]

Project description:Id proteins have been shown to promote the differentiation of conventional αβ and γδT cells, and to suppress the expansion of invariant Natural Killer T (iNKT) cells and innate-like γδNKT within their respective cell lineages. However, it remains to be determined whether Id proteins regulate lineage specification in developing T cells that give rise to these distinct cell fates. Here we report that in the absence of Id2 and Id3 proteins, E2A prematurely activates genes critical for the iNKT cell lineage prior to TCR expression. Lack of Id proteins also promotes a biased TCR rearrangement in favor of iNKT cell fate prior to selection at the CD4+CD8+ double positive (DP) stage. Enhanced iNKT development in Id3-deficient mice lacking γδNKT cells suggests that Id3 regulates the lineage competition between these populations. RNA-Seq analysis establishes E2A as the transcriptional regulator of both iNKT and γδNKT development. In the absence of pre-TCR signaling, Id2/Id3 deletion gives rise to a large population of iNKT cells and a unique innate-like DP population, despite the block in conventional αβ T cell development. The transcriptional profile of these unique DP cells reflects enrichment of innate-like signature genes, including PLZF (Zbtb16) and Granzyme A (Gzma). Results from these genetic models and genome-wide analyses suggest that Id proteins suppress E2A-driven innate-like T cell programs prior to TCR selection to enforce predominance of conventional T cells.

2018-01-23 | GSE89848 | GEO

Id proteins suppress E2A-driven iNKT cell development prior to TCR selection [RNA-seq_new]

2018-01-23 | GSE100601 | GEO

Id proteins suppress E2A-driven iNKT cell development prior to TCR selection [ChIP-seq]

2018-01-23 | GSE89847 | GEO

Histone deacetylase inhibitors antagonize distinct pathways to suppress tumorigenesis of embryonal rhabdomyosarcoma.

Project description:Embryonal rhabdomyosarcoma (ERMS) is the most common soft tissue cancer in children and is characterized by myogenic differentiation arrest. The prognosis of patients with relapsed or metastatic disease remains poor. ERMS genomes show few recurrent mutations, suggesting that other molecular mechanisms such as epigenetic regulation might play major role in driving ERMS tumor biology. In this study, we have demonstrated the diverse roles of HDACs in the pathogenesis of ERMS by characterizing effects of HDAC inhibitors, trichostatin A (TSA) and suberoylanilide hydroxamic acid (SAHA; also known as vorinostat) in vitro and in vivo. TSA and SAHA suppress ERMS tumor growth and progression by inducing myogenic differentiation as well as reducing the self-renewal and migratory capacity of ERMS cells. To identify candidate genes that are differentially regulated in histone deacetylase inhibitor-treated embryonal rhabdomyosarcoma, a gene expression profiling study using the Affymetrix Human Gene 2.0 microarray platform and ingenuity pathway analysis of differentially expressed genes were performed on RD and 381T cells treated with trichostatin A or dimethyl sulfoxide (treatment vehicle).

2015-12-21 | E-GEOD-74970 | biostudies-arrayexpress

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