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REV-ERBα regulates regulatory T cell function in inflammatory bowel disease [RNA-seq]

ABSTRACT: Colonic Rorgt+Foxp3+ Treg cells are critical to maintain intestinal homeostasis and prevent inflammatory bowel diseases by suppressing exuberant innate and adaptative immune responses. In this study, In this study, we found that REV-ERBa was highly expressed in colonic RORgt+Foxp3+ Treg cells and essential for their differentiation and function. Deletion of REV-ERB in Treg cells lead to diminished colonic RORgt+Foxp3+ Treg cell populations even at steady state, and render mice more susceptible to TNBS and/or oxazolone-induced colitis. As a transcriptional repressor, REV-ERBa can directly repress the expression of pro-inflammatory cytokines IL-17a and IL-17f, and promote RORgt expression through Bhlhe40-c-maf axis in RORgt+Foxp3+ Treg cells. Furthermore, REV-ERB also orchestrate RORgt genome-wide distributions and co-regulate core signature genes in RORgt+Foxp3+ Treg cells, including IL-10, CTLA-4, Icos, c-maf.

ORGANISM(S): Mus musculus

PROVIDER: GSE225200 | GEO | 2025/11/10

REPOSITORIES: GEO

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REV-ERBα regulates regulatory T cell function in inflammatory bowel disease [CUT&RUN]

Project description:Colonic Rorgt+Foxp3+ Treg cells are critical to maintain intestinal homeostasis and prevent inflammatory bowel diseases by suppressing exuberant innate and adaptative immune responses. In this study, In this study, we found that REV-ERB was highly expressed in colonic RORt+Foxp3+ Treg cells and essential for their differentiation and function. Deletion of REV-ERB in Treg cells lead to diminished colonic RORt+Foxp3+ Treg cell populations even at steady state, and render mice more susceptible to TNBS and/or oxazolone-induced colitis. As a transcriptional repressor, REV-ERB can directly repress the expression of pro-inflammatory cytokines IL-17a and IL-17f, and promote RORt expression through Bhlhe40-c-maf axis in RORt+Foxp3+ Treg cells. Furthermore, REV-ERB also orchestrate RORt genome-wide distributions and co-regulate core signature genes in RORt+Foxp3+ Treg cells, including IL-10, CTLA-4, Icos, c-maf.

2025-11-10 | GSE225202 | GEO

The nuclear receptor REV-ERBa modulates Th17 cell differentiation and function by competing with RORgt

Project description:T helper 17 (Th17) cells produce interleukin-17 (IL-17) cytokines and drive inflammatory responses in autoimmune diseases such as multiple sclerosis and rheumatoid arthritis. The differentiation of Th17 cells is dependent on the retinoic acid receptor-related orphan nuclear receptor RORgt. Here we identify REV-ERBa (encoded by Nr1d1), a member of the nuclear hormone receptor family (NHR), as a transcriptional repressor that antagonizes RORgt function in Th17 cells. REV-ERBa binds to ROR response elements (RORE) in Th17 cells and inhibits the expression of RORgt-dependent genes such as Il17a and Il17f. Furthermore, elevated REV-ERBa expression or treatment with a synthetic REV-ERB agonist significantly delays the onset and impedes the progression of experimental autoimmune encephalomyelitis (EAE), a Th17 cell-mediated autoimmune disease. These results suggest that modulating REV-ERB activity may hold therapeutic potential for treatment of Th17 cell-mediated autoimmune diseases.

2019-08-16 | GSE72271 | GEO

c-Maf-dependent Treg cell control of intestinal TH17 cells and IgA establishes host–microbiota homeostasis

Project description:Foxp3+ regulatory T (Treg) cells are essential for immunological tolerance and homeostasis. In peripheral tissues, Treg cells acquire enhanced suppressive functions and co-opt distinct transcriptional modules, allowing context and tissue-dependent immune regulation. Here we show that the transcription factor c-Maf was highly expressed by effector Treg cells and controlled their IL-10 production. In the intestine, c-Maf was required for the differentiation of RORgt+ microbiota-dependent Treg cells, and restricted their production of inflammatory cytokines. Consequently, Treg cell-specific loss of c-Maf resulted in perturbed intestinal homeostasis, microbial dysbiosis and a selective failure to control Th17 responses during homeostasis and upon chemically induced epithelial damage. Molecular profiling revealed that c-Maf regulated expression of key genes of the transcriptional signature of intestinal Treg cells, including Rorc and Il10. Thus, our study identifies a key role of c-Maf in preserving the identity and function of intestinal Treg cells, essential for the control of intestinal immune homeostasis.

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Transcriptional profile of Foxp3+ regulatory T cells from colon lamina propria and mesenteric lymph node in steady state mice

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2014-06-03 | E-GEOD-58145 | biostudies-arrayexpress

REV-ERBa and REV-ERBb function as key factors regulating Mammalian Circadian Output

Project description:The circadian clock regulates behavioural and physiological processes in a 24-h cycle. The nuclear receptors REV-ERBa and REV-ERBb are involved in the cell-autonomous circadian transcriptional/translational feedback loops as transcriptional repressors. A number of studies have also demonstrated a pivotal role of REV-ERBs in regulation of metabolic, neuronal, and inflammatory functions including bile acid metabolism, lipid metabolism, and production of inflammatory cytokines. Given the multifunctional role of REV-ERBs, it is important to elucidate the mechanism through which REV-ERBs exert their functions. To this end, we established a Rev-erba/Rev-erbb double-knockout mouse embryonic stem (ES) cell model and analyzed the circadian clock and clock-controlled output gene expressions. A comprehensive mRNA-seq analysis revealed that the complete knockout of both Rev-erba and Rev-erbb does not abrogate expression rhythms of E-box-regulated core clock genes but drastically changes a diverse set of other rhythmically-expressed output genes. Of note, REV-ERBa/b deficiency does not compromise circadian expression rhythms of PER2, while REV-ERB target genes, Bmal1 and Npas2, are significantly upregulated. This study emphasizes REV-ERBs function to form an essential link between the circadian clock and a wide variety of cellular physiological functions.

2019-07-29 | GSE125696 | GEO

REV-ERBa regulates TH17 cell development and autoimmunity

Project description:RORγt is well recognized as the lineage defining transcription factor for TH17 cell development. However, the cell-intrinsic mechanisms that negatively regulate TH17 cell development and autoimmunity remain poorly understood. Here we demonstrate that the transcriptional repressor REV-ERBa is exclusively expressed in TH17 cells, competes with RORγt for their shared DNA consensus sequence, and negatively regulates TH17 cell development via repression of genes traditionally characterized as RORγt-dependent, including Il17a. Deletion of REV-ERBa enhanced TH17-mediated pro-inflammatory cytokine expression, exacerbating experimental autoimmune encephalomyelitis (EAE) and colitis. Treatment with REV-ERB-specific synthetic ligands, which have similar phenotypic properties as RORγ modulators, suppressed TH17 cell development, was effective in colitis intervention studies, and significantly decreased the onset, severity, and relapse rate in several models of EAE without affecting thymic cellularity. Our results establish that REV-ERBa negatively regulates pro-inflammatory TH17 responses in vivo and identifies the REV-ERBs as potential targets for the treatment of TH17-mediated autoimmune diseases.

2018-12-19 | GSE122726 | GEO

Loss-of-function of PTPN2 promotes pathogenic loss of FoxP3+ in RORgt+ Tregs [RNA-seq]

Project description:Genetic variants at the PTPN2 locus, which encodes the tyrosine phosphatase PTPN2, cause reduced gene expression and are linked to rheumatoid arthritis (RA) and other autoimmune diseases. PTPN2 inhibits signaling through the T cell and cytokine receptors and loss of PTPN2 promotes T cell expansion and CD4 and CD8-driven autoimmunity. However, it remains unknown whether loss of PTPN2 in FoxP3+ regulatory T cells (Treg) plays a role in autoimmunity. Here we show that a reduction in Ptpn2 expression, comparable to that reported in human carriers of autoimmune-predisposing PTPN2 variants, unexpectedly enhances the severity of autoimmune arthritis through a Treg-intrinsic mechanism. Mechanistically, we found that through dephosphorylation of STAT3, Ptpn2 inhibits IL-6-driven pathogenic loss of FoxP3 after Tregs have acquired RORgt expression, at a stage when chromatin accessibility for STAT3-targeted IL-17 associated transcription factors is maximized. We conclude that PTPN2 promotes FoxP3 stability in RORgt+ Treg and that loss of function of PTPN2 in Treg contributes to the association between PTPN2 and autoimmunity.

2019-03-18 | GSE123484 | GEO

Loss-of-function of PTPN2 promotes pathogenic loss of FoxP3+ in RORgt+ Tregs [ATAC-seq]

2019-03-18 | GSE123486 | GEO

Rev-erb(alpha) and (beta) Coordinately Protect the Circadian Clock and Normal Metabolic Function

Project description:We report the genomic regions enriched for Rev-erb(beta) binding in WT mouse liver, in addition to the false positive regions enriched by ChIP for Rev-erb(alpha) in Rev-erb(alpha) KO liver. In conjunction with previously published data for Rev-erb(alpha) in GSE26345 (GSM647029, GSM647033, and GSM647034), we report the common and subtype specific cistromes for Rev-erb using a quantitative analysis method.

2012-03-09 | GSE36375 | GEO

Ndfip1 restricts mTORC1 signalling and glycolysis in regulatory T cells to prevent autoinflammatory disease

Project description:Project abstract: Foxp3+ T regulatory (Treg) cells have important functions in suppressing immune cell activation and establishing normal immune homeostasis. How Treg cells maintain their identity is not completely understood. Here we show that Ndfip1, a co-activator of Nedd4-family E3 ubiquitin ligases, is required for Treg cell stability and function. Ndfip1 deletion in Treg cells disrupts immune homeostasis and results in autoinflammatory disease. Ndfip1-deficient Treg cells are highly proliferative and are more likely to lose Foxp3 expression to become IL-4-producing TH2 effector cells. Proteomic analyses indicate that Ndfip1 deficiency alters the metabolic signature of Treg cells. Metabolic profiling reveals elevated glycolysis and increased mTORC1 signalling. Additional data suggest that Ndfip1 restricts Treg cell metabolic capacity and IL-4 production via distinct mechanisms. Thus, Ndfip1 preserves Treg lineage stability by preventing the expansion of highly proliferative and metabolically active cells that can cause immunopathology via secretion of IL-4.

2017-04-19 | PXD006251 | Pride

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