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The transcription factor IRF4 is essential for T cell receptor affinity mediated metabolic programming and clonal expansion of T cells [ChIP-seq]

ABSTRACT: We demonstrate that transcription factor IRF4 is induced in a T cell receptor (TCR) affinity-dependent manner and functions as a dose-dependent regulator of the metabolic function of activated T cells. IRF4 regulates the expression of key molecules required for aerobic glycolysis of effector T cells, and is essential for clonal expansion and maintenance of effector function of antigen-specific CD8+ T cells.

ORGANISM(S): Mus musculus

PROVIDER: GSE49930 | GEO | 2013/08/17

SECONDARY ACCESSION(S): PRJNA215369

REPOSITORIES: GEO

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The transcription factor IRF4 is essential for T cell receptor affinity mediated metabolic programming and clonal expansion of T cells [ChIP-seq]

Project description:We demonstrate that transcription factor IRF4 is induced in a T cell receptor (TCR) affinity-dependent manner and functions as a dose-dependent regulator of the metabolic function of activated T cells. IRF4 regulates the expression of key molecules required for aerobic glycolysis of effector T cells, and is essential for clonal expansion and maintenance of effector function of antigen-specific CD8+ T cells. Examination of binding sites of transcription factor IRF4 in mouse CD8+ T cells.

2013-08-17 | E-GEOD-49930 | biostudies-arrayexpress

The transcription factor IRF4 is essential for T cell receptor affinity mediated metabolic programming and clonal expansion of T cells [RNA-seq]

2013-08-17 | E-GEOD-49929 | biostudies-arrayexpress

The transcription factor IRF4 is essential for T cell receptor affinity mediated metabolic programming and clonal expansion of T cells [RNA-seq]

2013-08-17 | GSE49929 | GEO

IRF4 Haploinsufficiency Impairs Affinity Maturation

Project description:Single cell RNA seq (scRNA-seq) has emerged as a powerful tool to determine the composition of heterogeneous cell states in a tissue. We found that Irf4+/- antigen specific B cells were functionally impaired in affinity maturation. The goal of this study was to determine whether Irf4+/- antigen specific B cells exhibited distinct cellular composition compared to wild type cells. Sequence data from 8360 cells revealed a similar distribution and numbers of cell states between cells of Irf4+/- or Irf4+/+ genotypes.

2021-10-04 | GSE185188 | GEO

IRF4 Haploinsufficiency Impairs Affinity Maturation

Project description:IRF4 Haploinsufficiency Impairs Affinity Maturation

| PRJNA767888 | ENA

The transcription factor IRF4 is essential for T cell receptor affinity mediated metabolic programming and clonal expansion of T cells

Project description:This SuperSeries is composed of the SubSeries listed below. Refer to individual Series

2013-08-17 | E-GEOD-49931 | biostudies-arrayexpress

Whole transcriptome analysis for T cell receptor-affinity and IRF4-regulated clonal expansion of T cells.

Project description:Clonal population expansion of T cells during an immune response is dependent on the affinity of the T cell receptor (TCR) for its antigen [1]. However, there is little understanding of how this process is controlled transcriptionally. We found that the transcription factor IRF4 was induced in a manner dependent on TCR-affinity and was critical for the clonal expansion and maintenance of effector function of antigen-specific CD8(+) T cells. We performed a genome-wide expression profiling experiment using RNA sequencing technology (RNA-seq) to interrogate global expression changes when IRF4 was deleted in CD8(+) T cells activated with either a low or high affinity peptide ligand. This allowed us not only to determine IRF4-dependent transcriptional changes but also to identify transcripts dependent on TCR-affinity [2]. Here we describe in detail the analyses of the RNA-seq data, including quality control, read mapping, quantification, normalization and assessment of differential gene expression. The RNA-seq data can be accessed from Gene Expression Omnibus database (accession number GSE49929).

| S-EPMC4536053 | biostudies-literature

The transcription factor IRF4 is essential for T cell receptor affinity mediated metabolic programming and clonal expansion of T cells

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

2013-08-17 | GSE49931 | GEO

A new type of pathogenic transcription factor mutation targeting interferon regulatory factor 4 (IRF4) in human lymphoma

Project description:We report the characterization of a recurrent somatic mutation c.295T>C (p.C99R) in the Interferon Regulatory Factor 4 (IRF4) gene in human lymphoma in the α3-recognition helix of the IRF4 DNA-binding domain. IRF4-C99R fundamentally alters IRF4 DNA-binding, combining loss-of-binding at canonical IRF motifs and neomorph gain-of-binding at canonical and non-canonical IRF composite elements (CEs). IRF4-C99R thoroughly modifies IRF4 function, blocking IRF4-dependent plasma cell induction, and specifically up-regulating lymphoma-specific genes in a degenerate Activator Protein-1 (AP-1)-IRF-CE (AICE)-dependent manner.

2023-07-21 | E-MTAB-12522 | biostudies-arrayexpress

ChIP-Seq analysis of BATF, IRF4, the Jun proteins, and histone modifications in effector CD8+ T cells

Project description:The transcription factor BATF is required for Th17 and TFH differentiation. Here, we show that BATF also has a fundamental role in regulating effector CD8+ T cell differentiation. BATF-deficient CD8+ T cells show profound defects in effector expansion and undergo proliferative and metabolic catastrophe early after antigen encounter. BATF, together with IRF4 and Jun proteins, binds to and promotes early expression of genes encoding lineage-specific transcription-factors (T-bet and Blimp-1) and cytokine receptors, while paradoxically repressing genes encoding effector molecules (IFNg and granzyme B). Thus, BATF amplifies TCR-dependent transcription factor expression and augments inflammatory signal propagation but restrains effector gene expression. This checkpoint prevents irreversible commitment to an effector fate until a critical threshold of downstream transcriptional activity has been achieved. This is an examination of 5 different transcription factors (TFs) with 5 different histone modifications in effector CD8+ T cells. Two of the TFs (BATF and IRF4) and the histone modifications were replicated. Appropriate control sequence files for ChIP input, IgG ChIP, and Total H3 are also included.

2014-03-02 | E-GEOD-54191 | biostudies-arrayexpress

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