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Lupus susceptibility gene Esrrg regulates TREG development and suppressive function through mitochondrial metabolism

ABSTRACT: Lupus susceptibility gene Esrrg regulates TREG development and suppressive function through mitochondrial metabolism

PROVIDER: PRJNA631420 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR11744378.fastq.gz	Fastqsanger.gz
	SRR11744379.fastq.gz	Fastqsanger.gz
	SRR11744380.fastq.gz	Fastqsanger.gz
	SRR11744381.fastq.gz	Fastqsanger.gz
	SRR11744382.fastq.gz	Fastqsanger.gz

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Similar Datasets

Lupus susceptibility gene Esrrg regulates TREG development and suppressive function through mitochondrial metabolism

Project description:To investigate insight into how Esrrg regulates the TREG transcriptional program, we performed high-throughput RNA sequencing (RNA-seq) analysis of CD4+Foxp3-YFP+ from splenic cells of WT and KO female mice (2-3 months old). We show that the Esrrg-deficient Treg cells presented increased transcript related to oxidative phosphoration, cell cycle, proteasome, and antigen-presenting, suggesting Esrrg plays an essential role in mitochondral metabolism and it is associated with antigen-presenting and processing. Finally, Esrrg-deficient Treg displayed decreased Erbb and ribosome pathway, which may also related to TREG function. Our data suggest an critical role of lupus susceptibility gene Esrrg in regulating Treg cell function through mitochondrial metabolism.

2020-09-01 | GSE150187 | GEO

Transcriptional correlates of FOXP3 expression in suppressive and non-suppressive primary human Treg cell clones.

Project description:Analysis of the transcriptional correlates of FOXP3 expression in suppressive and non-suppressive primary human Treg cell clones. Individual CD4+CD25High or Cd4+CD25- T cells were isolated from human PBMCs and expanded in vitro. After 3 weeks of expansion, individual clones were analysed for FOXP3 expression and in vitro suppressive activity against freshly sorted allogeneic effector T cells. This study analyses the total RNA isolated from FOXP3+ clones with suppressive potency to their non-suppressive counterparts. The resutls of this study should provide insights into the molecular pathways linking FOXP3 expression to distinct aspects of Treg phenotype and function. Total RNA obtained from individual clones of primary human regulatory and effector CD4+T cells.

2015-05-06 | E-GEOD-65650 | biostudies-arrayexpress

Pre-B cell leukemia homeobox protein Pbx1 is associated with lupus susceptibility in mice and humans

Project description:Sle1a.1 is part of the Sle1a lupus susceptibility locus which results in the production of activated and autoreactive CD4+ T cells as well as a reduction in the peripheral regulatory T cell (Treg) pool. Sle1a.1 CD4+ T cells showed a defective response to retinoic acid (RA) expansion of TGFÎ²-induced Tregs. At the molecular level, Sle1a.1 corresponds to an increased expression of a novel splice isoform of Pbx1, Pbx1-d. Pbx1-d over-expression is sufficient to induce an activated/inflammatory phenotype in Jurkat T cells, and to decrease their apoptotic response to RA. PBX1-d is expressed more frequently in lupus patients than in healthy controls, and its presence correlates with an increased memory T cell population. These findings indicate that Pbx1 is a novel lupus susceptibility gene that regulates T cell activation and tolerance. Total RNA from CD4+ T cells from C57BL/6 (B6) and B6.Sle1a.1 (Sle) mice was isolated, with 4 biological replicates each. Gene expression data from C57BL/6 mice were compared with data from B6.Sle2c1 mice.

2010-07-08 | E-GEOD-22313 | biostudies-arrayexpress

Transcriptional correlates of FOXP3 expression in suppressive and non-suppressive primary human Treg cell clones.

2015-05-06 | GSE65650 | GEO

Pre-B cell leukemia homeobox protein Pbx1 is associated with lupus susceptibility in mice and humans

Project description:Sle1a.1 is part of the Sle1a lupus susceptibility locus which results in the production of activated and autoreactive CD4+ T cells as well as a reduction in the peripheral regulatory T cell (Treg) pool. Sle1a.1 CD4+ T cells showed a defective response to retinoic acid (RA) expansion of TGFβ-induced Tregs. At the molecular level, Sle1a.1 corresponds to an increased expression of a novel splice isoform of Pbx1, Pbx1-d. Pbx1-d over-expression is sufficient to induce an activated/inflammatory phenotype in Jurkat T cells, and to decrease their apoptotic response to RA. PBX1-d is expressed more frequently in lupus patients than in healthy controls, and its presence correlates with an increased memory T cell population. These findings indicate that Pbx1 is a novel lupus susceptibility gene that regulates T cell activation and tolerance.

2010-06-16 | GSE22313 | GEO

ESRRG gene expression profile in gastric cancer cells

Project description:ESRRG is one of nuclear receptor super family. ESRRG contributes to many physiological pathway. Especially, ESRRG is clearly involved in various cancers. To identify the downstream target of ESRRG in gastric cancer, we carried out microarray.

2019-12-03 | GSE78050 | GEO

RB1 loss triggers dependence on ESRRG in retinoblastoma

Project description:Retinoblastoma (Rb) is a deadly childhood eye cancer that is classically initiated by inactivation of the RB1 tumor suppressor. Clinical management continues to rely on nonspecific chemotherapeutic agents that are associated with treatment resistance and toxicity. Here, we analyzed 103 whole exomes, 16 whole transcriptomes, 5 single-cell transcriptomes, and 4 whole genomes from primary Rb tumors to identify novel Rb dependencies. Several recurrent genomic aberrations implicate estrogen-related receptor gamma (ESRRG) in Rb pathogenesis. RB1 directly interacts with and inhibits ESRRG, and RB1 loss uncouples ESRRG from negative regulation. ESRRG regulates genes involved in retinogenesis and oxygen metabolism in Rb cells. ESRRG is preferentially expressed in hypoxic Rb cells in vivo. Depletion or inhibition of ESRRG causes marked Rb cell death which is exacerbated in hypoxia. These findings reveal a novel dependency of Rb cells on ESRRG, and they implicate ESRRG as a potential therapeutic vulnerability in Rb.

2022-08-24 | GSE196420 | GEO

MicroRNA profiling by PCR array of mouse Treg cells from non-autoimmune C3H/HeOuj and lupus prone MRL/lpr strains

Project description:Comparison of Treg miRNA expression between non-autoimmune C3H/HeOuj and lupus prone MRL/lpr mice

2011-11-30 | E-MEXP-2954 | biostudies-arrayexpress

Lupus susceptibility loci predispose mice to clonal lymphocytic responses and myeloid expansion

Project description:Lupus susceptibility results from the combined effects of numerous genetic loci, but the contribution of these loci to disease pathogenesis has been difficult to study due to the large cellular heterogeneity of the autoimmune immune response. We performed single cell RNA, B cell receptor (BCR), and T cell receptor (TCR) sequencing of splenocytes from mice with multiple polymorphic lupus susceptibility loci. We not only observed lymphocyte and myeloid expansion, but also characterized changes in subset frequencies and gene expression, such as decreased CD8 and marginal zone B cells and increased Fcrl5 and Cd5l expressing macrophages. Clonotypic analyses revealed expansion of B and CD4 clones, and TCR repertoires from lupus prone mice were distinguishable by algorithmic specificity prediction and unsupervised machine learning classification. Myeloid differential gene expression, metabolism, and altered ligand-receptor interaction were associated with decreased antigen presentation. This dataset provides novel mechanistic insight into the pathophysiology of a spontaneous model of lupus, highlighting potential therapeutic targets for autoantibody mediated disease.

2022-03-14 | GSE192762 | GEO

Lupus susceptibility gene Esrrg modulates regulatory T cells through mitochondrial metabolism.

Project description:Estrogen-related receptor γ (Esrrg) is a murine lupus susceptibility gene associated with T cell activation. Here, we report that Esrrg controls Tregs through mitochondria homeostasis. Esrrg deficiency impaired the maintenance and function of Tregs, leading to global T cell activation and autoimmunity in aged mice. Further, Esrrg-deficient Tregs presented an impaired differentiation into follicular Tregs that enhanced follicular helper T cells' responses. Mechanistically, Esrrg-deficient Tregs presented with dysregulated mitochondria with decreased oxygen consumption as well as ATP and NAD+ production. In addition, Esrrg-deficient Tregs exhibited decreased phosphatidylinositol and TGF-β signaling pathways and increased mTOR complex 1 activation. We found that the expression of human ESRRG, which is high in Tregs, was lower in CD4+ T cells from patients with lupus than in healthy controls. Finally, knocking down ESRRG in Jurkat T cells decreased their metabolism. Together, our results reveal a critical role of Esrrg in the maintenance and metabolism of Tregs, which may provide a genetic link between lupus pathogenesis and mitochondrial dysfunction in T cells.

| S-EPMC8410062 | biostudies-literature

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