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Expression data from BATF-deficient Treg cells

ABSTRACT: FoxP3 is a central regulator of immunological tolerance, controlling the development and function of regulatory T (Treg) cells. To dissect the complex processes orchestrated by FoxP3, we investigated impacts of three autoimmune disease-associated missense FoxP3 mutations in mice. The I363V and R397W mutations were loss-of-function mutations, causing multi-organ inflammation by globally compromising Treg cell physiology. By contrast, the A384T mutation induced a distinctive tissue-restricted inflammation by specifically impairing the ability of Treg cells to compete with pathogenic T cells in certain non-lymphoid tissues. Because BATF expression was down-regulated in A384T Treg cells, we hypothesized that its down-regulation could account for the A384T Treg cell phenotype and addressed whether BATF-deficient Treg cells are phenotypically similar to A384T Treg cells.

ORGANISM(S): Mus musculus

PROVIDER: GSE89656 | GEO | 2017/08/01

SECONDARY ACCESSION(S): PRJNA352830

REPOSITORIES: GEO

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Batf stabilizes Th17 cell development via limiting STAT5 signaling pathway (RNA-Seq)

Project description:Th17 cells secrete IL-17A, IL-17F, IL-21, and IL-22 cytokines that are critical in mediating inflammation and protecting the host from microorganisms infection. The basic leucine zipper transcription factor ATF-like (Batf) contributes to the transcriptional programming of multiple effector T cells, and is required for Th17 cell development. Here, we have interrogated mechanisms by which Batf promotes and stabilizes Th17 cell phenotype. We have shown that in vitro differentiated Th17 cells have increased expression of Th1 and Treg signature genes in the absence of Batf. In addition, Citrobacter rodentium infected Batf-deficient (Batf KO) mice fail to clear the infection, and that is correlated with diminished IL-17A and IL-22 cytokine production and increased Foxp3 and Ifng expression compared to WT mice. We find that Batf sustains Th17 phenotype in long-term culture conditions by suppressing Th1- and Treg-specific gene expression. Mechanistically, we reveal that Batf negatively regulates IL-2-STAT5 signaling and modulates STAT5 binding at the Ifng and Foxp3 gene loci thus suppressing Th1-Treg phenotype in Th17 cell development. Inhibition of STAT5 DNA binding activity in Batf KO Th17 cells was able to repress Ifng and Foxp3 expression compared to control-treated cells. Moreover, STAT5 cooperates with transcription factors Ets1 and Runx1 to mediate epigenetic modification and regulate gene expression. Thus, our study has revealed an essential function of Batf in modulating the IL-2-STAT5 signaling to promote and stabilize Th17 cell development.

2023-04-26 | GSE167418 | GEO

Batf stabilizes Th17 cell development via limiting STAT5 signaling pathway (ChIP-Seq)

2023-04-26 | GSE167417 | GEO

Expression data from Treg cells expressing mutant FoxP3

Project description:FoxP3 is a central regulator of immunological tolerance, controlling the development and function of regulatory T (Treg) cells. To dissect the complex processes orchestrated by FoxP3, we investigated impacts of three autoimmune disease-associated missense FoxP3 mutations (i.e., I363V, A384T, R397W) through knock-in mutagenesis in mice. We investigated the impacts of these mutations on Treg cell transcriptome by microarray analysis.

2017-08-01 | GSE89654 | GEO

Genome-wide maps of FoxP3 binding in FoxP3WT and FoxP3A384T Treg cells

Project description:FoxP3 binding sites in Treg cells expressing WT or A384T mutant FoxP3 were examined.

2017-08-01 | GSE89743 | GEO

Expression data from mutant FoxP3-transduced CD4 T cells

Project description:FoxP3 is a central regulator of immunological tolerance, controlling the development and function of regulatory T (Treg) cells. To dissect the complex processes orchestrated by FoxP3, we investigated impacts of three autoimmune disease-associated missense FoxP3 mutations in mice. As a initial approach, we retrovirally transduced naïve conventional T (Tconv) cells with WT or mutant (A384T and R397W) FoxP3 and analyzed the gene expression profiles of the transduced T cells.

2017-08-01 | GSE89645 | GEO

BATF represses BIM to sustain tolerant T cells in the periphery (RNA-Seq)

Project description:T cells that encounter self-antigens after exiting the thymus avert autoimmunity through peripheral tolerance. Pathways for this include an unresponsive state known as anergy, clonal deletion, and T regulatory (Treg) cell induction. The transcription factor cues and kinetics that guide distinct peripheral tolerance outcomes remain unclear. Here, we found that anergic T cells are epigenetically primed for regulation by the non-classical AP-1 family member BATF. Tolerized BATF-deficient CD4+ T cells were resistant to anergy induction and instead underwent clonal deletion due to pro-apoptotic BIM (Bcl2l11) upregulation. During prolonged antigen exposure, BIM de-repression resulted in fewer PD-1+ conventional T cells as well as loss of peripherally-induced FOXP3+ Treg cells. Simultaneous Batf and Bcl2l11 knockdown meanwhile restored anergic T cell survival and Treg cell maintenance. The data identify the AP-1 nuclear factor BATF as a dominant driver of sustained T cell anergy and illustrate a mechanism for divergent peripheral tolerance fates.

2023-10-17 | GSE244278 | GEO

BATF represses BIM to sustain tolerant T cells in the periphery (ATAC-Seq)

2023-10-17 | GSE244276 | GEO

BATF orchestrates the functional specification and metabolic reprogramming in Treg cells

Project description:Purpose: Identification of the differentially expressed genes and metabolic pathways in resting and activated WT and BATF-deficient Treg cells Methods: RNA was purified from resting of stimulated (aCD3-CD38/IL-2 for 48 h)Treg cells isolated from WT or Foxp3CreBatffl/fl mice Results: Loss of BATF promotes triacylglycerol biosynthesis in Treg cells. Conclusions: BATF is crucial to coordinate the suppressive function and triacylglycerol metabolism of Treg cells.

2021-03-02 | GSE149197 | GEO

BATF-JUN is critical for IRF4-mediated transcription in T cells

Project description:Interferon regulatory factor 4 (IRF4) is an IRF family transcription factor with critical roles in lymphoid development and in regulating the immune response. IRF4 binds DNA weakly owing to a carboxy-terminal auto-inhibitory domain, but cooperative binding with factors such as PU.1 or SPIB in B cells increases binding affinity, allowing IRF4 to regulate genes containing ETS–IRF composite elements (EICEs; 5'-GGAAnnGAAA-3'). Here we show that in mouse CD4+ T cells, where PU.1/SPIB expression is low, and in B cells, where PU.1 is well expressed, IRF4 unexpectedly can cooperate with activator protein-1 (AP1) complexes to bind to AP1–IRF4 composite (5'-TGAnTCA/GAAA-3') motifs that we denote as AP1–IRF composite elements (AICEs). Moreover, BATF–JUN family protein complexes cooperate with IRF4 in binding to AICEs in pre-activated CD4+ T cells stimulated with IL-21 and in TH17 differentiated cells. Importantly, BATF binding was diminished in Irf4-/- T cells and IRF4 binding was diminished in Batf-/- T cells, consistent with functional cooperation between these factors. Moreover, we show that AP1 and IRF complexes cooperatively promote transcription of the Il10 gene, which is expressed in TH17 cells and potently regulated by IL-21. These findings reveal that IRF4 can signal via complexes containing ETS or AP1 motifs depending on the cellular context, thus indicating new approaches for modulating IRF4-dependent transcription. Genome-wide transcription factors mapping and binding of IRF4, BATF, IRF8, STAT3, JUN etc in WT, Irf4-/- and Batf-/- mice in different cell types (B cells, CD4+ T cells and TH17 cells) cultured with or without IL-21 was conducted. RNA-Seq is conducted in mouse B cells, CD4+ T cells, TH1/TH2/TH9/TH17/Treg.

2012-09-18 | E-GEOD-39756 | biostudies-arrayexpress

BATF knockout B cells

Project description:compare wild type and Batf-/- B cells activated for 0 1 or 2 days in vitro. WT or Batf deficient B cells were activated in vitro with LPS for 1 or 2 days, or left untreated. B cells were purified by MACS and activated, harvested and prepped for affymetrix gene expression profiling.

2011-05-15 | E-GEOD-28736 | biostudies-arrayexpress

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