Genomics,Multiomics

Dataset Information

16

Genome-wide regulatory analysis reveals T-bet controls Th17 lineage differentiation through direct suppression of IRF4


ABSTRACT: The complex relationship between Th1 and Th17 cells is incompletely understood. The transcription factor T-bet is best known as the master regulator of Th1 lineage commitment. However, attention is now focused on the repression of alternate T cell subsets mediated by T-bet, particularly the Th17 lineage. Specifically it has recently been suggested that pathogenic Th17 cells express T-bet and are dependent on IL-23. However, T-bet has previously been shown to be a negative regulator of Th17 cells. We have taken an unbiased approach to determine the functional impact of T-bet on Th17 lineage commitment. Genome-wide analysis of functional T-bet binding sites provides an improved understanding of the transcriptional regulation mediated by T-bet, and suggests novel mechanisms by which T-bet regulates T helper cell differentiation. Specifically, we show that T-bet negatively regulates Th17 lineage commitment via direct repression of the transcription factor interferon regulatory factor-4 (IRF4). An in vivo analysis of the pathogenicity of T-bet deficient T cells demonstrated that Th17 responses were augmented in the absence of T-bet, and we have defined a critical temporal window for T-bet function. The interaction of the two key transcription factors T-bet and IRF4 during the determination of T cell fate choice significantly advances our understanding of the mechanisms underlying the development of pathogenic T cells. ChIP-seq analysis of T-bet in WT and Tbet -/- mice.

OTHER RELATED OMICS DATASETS IN: PRJNA174603

ORGANISM(S): Mus musculus  

SUBMITTER: Richard Jenner   Graham Lord  M R Gökmen  Aditi Kanhere 

PROVIDER: E-GEOD-40623 | ArrayExpress | 2013-12-03

SECONDARY ACCESSION(S): GSE40623SRP015481PRJNA174603

REPOSITORIES: GEO, ArrayExpress, ENA

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Genome-wide regulatory analysis reveals that T-bet controls Th17 lineage differentiation through direct suppression of IRF4.

Gökmen M Refik MR   Dong Rong R   Kanhere Aditi A   Powell Nick N   Perucha Esperanza E   Jackson Ian I   Howard Jane K JK   Hernandez-Fuentes Maria M   Jenner Richard G RG   Lord Graham M GM  

Journal of immunology (Baltimore, Md. : 1950) 20131118 12


The complex relationship between Th1 and Th17 cells is incompletely understood. The transcription factor T-bet is best known as the master regulator of Th1 lineage commitment. However, attention is now focused on the repression of alternate T cell subsets mediated by T-bet, particularly the Th17 lineage. It has recently been suggested that pathogenic Th17 cells express T-bet and are dependent on IL-23. However, T-bet has previously been shown to be a negative regulator of Th17 cells. We have tak  ...[more]

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