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H3K27me3 regulates macrophage cytokine transcription and impacts on Collagen Induced Arthritis [RNA-Seq]

ABSTRACT: H3K27me3 regulates macrophage cytokine transcription and impacts on Collagen Induced Arthritis [RNA-Seq]

PROVIDER: PRJNA779695 | ENA |

REPOSITORIES: ENA

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H3K27me3 regulates macrophage cytokine transcription and impacts on Collagen Induced Arthritis

Project description:H3K27me3 regulates macrophage cytokine transcription and impacts on Collagen Induced Arthritis

| PRJNA779693 | ENA

H3K27me3 regulates macrophage cytokine transcription and impacts on Collagen Induced Arthritis [RNA-Seq]

Project description:The role of epigenetic regulation has been introduced in the process of macrophage polarization and the pathogenesis of inflammatory diseases. As a repressive epigenetic marker, tri-methylation of lysine 27 on histone H3 (H3K27me3) was shown to be important for transcriptional gene expression regulation. Here, we comprehensively analyzed H3K27me3 binding promoter sequences by ChIP-seq and corresponding genes function by RNA sequencing in two differentially polarized macrophage populations. The results revealed that H3K27me3 binds on the promoter regions of multiple critical cytokine genes and suppressed their transcription, especially in M-CSF derived macrophages but not GM-CSF derived counterparts. The in vivo study results suggested that symptoms of collagen induced arthritis (CIA) mice can be relieved by reversing the loss of H3K27me3 and reducing IL6 parasecretion of macrophages, suggesting that H3K27me3 might act as a switch in the pathological processes of rheumatoid arthritis (RA). Our results may provide a new approach for the treatment of inflammatory and autoimmune disorders.

2022-03-10 | GSE188615 | GEO

H3K27me3 regulates macrophage cytokine transcription and impacts on Collagen Induced Arthritis

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

2022-03-11 | GSE188616 | GEO

Transcription profiling of DBA/1J mouse with collagen induced arthritis

Project description:Time course of collagen-induced arthritis in DBA/1J male mice, synchronized on day 28 with 10ug LPS

2009-11-16 | E-TABM-661 | biostudies-arrayexpress

Collagen induced arthritis plasma proteomic analysis

Project description:The aim of the project is to analyze the plasma proteomic profile of an animal model of arthritis (Collagen Induced Arthritis; CIA) in response to different treatments. For this, plasma samples from mice under five different treatments were analyzed (N=6 per group): Vehicle, CIA, CIA + Δ9-THCA-A (20 mg / kg), CIA + Δ9-THCA-A (20 mg / kg) + T0070907 (5 mg / kg) and CIA + Δ9-THCA-A (20 mg / kg) + SR141716A (5 mg / kg).

2020-09-18 | PXD015274 | Pride

Transcriptomic analysis of synovial cells derived from collagen-induced arthritis mice

Project description:The destruction of bone and cartilage results in a loss of joint functionality, critically impairing the quality of life in arthritis patients. Synovial fibroblasts (SFs) critically contribute to the pathogenesis of rheumatoid arthritis (RA) by acquiring either a pro-inflammatory or tissue-destructive phenotype. To explore the molecular mechanisms underlying the pathogenic fibroblast phenotype in arthritis, we performed single-cell RNA sequencing (scRNA-seq) on the synovial cells which were isolated from collagen-induced arthritis (CIA) mice.

2022-07-06 | GSE192504 | GEO

Mouse CIA Cytokine Array

Project description:The molecular basis to autoimmune arthritis is unclear. Collagen Induced Arthritis (CIA) in mice, is a model that has many features that resemble Rheumatoid Arthritis (RA), although it does not perfectly duplicate RA. The study of CIA has provided insight into relevant pathogenesis and has aided in the identification of potential therapeutic targets. In this study we used Mouse Cytokine Expression Arrays to examine gene expression levels in joints at early, peak and decline stages during disease in DBA/1 mice. The aim of the study was to identify candidate molecules that may be involved in the development and progression of collagen-induced arthritis (CIA). Keywords: Disease State Analysis

2007-09-18 | GSE8915 | GEO

Pro-inflammatory cytokine blockade attenuates myeloid expansion in a murine model of rheumatoid arthritis

Project description:This study identifies molecular changes in hematopoietic stem cells (HSC) isolated from mice with chronic autoimmune arthritis induced using the collagen-induced arthritis (CIA) model.

2019-05-01 | GSE129511 | GEO

Collagen induced arthritis in dba/1j mice associates with oxylipin changes in plasma

Project description:Oxylipins play important roles in various biological processes and are considered as mediators of inflammation for a wide range of diseases such as rheumatoid arthritis (RA). The purpose of this research was to study differences in oxylipin levels between a widely used collagen-induced arthritis (CIA) mice model and healthy control (Ctrl) mice. DBA/1J male mice (age: 6-7 weeks) were selected and randomly divided into two groups, viz. a CIA- and a Ctrl group. The CIA mice were injected intraperitoneal (i.p.) with the joint cartilage component collagen type II (CII) and an adjuvant injection of lipopolysaccharide (LPS). Oxylipin metabolites were extracted from plasma for each individual sample using solid phase extraction (SPE) and were detected with high performance liquid chromatography/tandem mass spectrometry (HPLC-ESI-MS/MS), using dynamic multiple reaction monitoring (dMRM). Both univariate and multivariate statistical analysis was applied. The results in univariate student's t-test revealed 10 significantly up- or down-regulated oxylipins in CIA mice, which were supplemented by another 6 additional oxylipins, contributing to group clustering upon multivariate analysis. The dysregulation of these oxylipins revealed the presence of ROS-generated oxylipins and an increase of inflammation in CIA mice. The results also suggested that the Collagen-induced arthritis might associate with dysregulation of apoptosis, possibly inhibited by activated NF- κ B because of insufficient PPAR-γ ligands.

2015-11-04 | MTBLS243 | MetaboLights

Microbiota-dependent indole production is required for the development of collagen-induced arthritis

Project description:Altered tryptophan catabolism has been identified in inflammatory diseases like rheumatoid arthritis (RA) and spondyloarthritis (SpA), but the causal mechanisms linking tryptophan metabolites to disease are unknown. Using the collagen-induced arthritis (CIA) model we identify alterations in tryptophan metabolism, and specifically indole, that correlate with disease. We demonstrate that both bacteria and dietary tryptophan are required for disease, and indole supplementation is sufficient to induce disease in their absence. When mice with CIA on a low-tryptophan diet were supplemented with indole, we observed significant increases in serum IL-6, TNF, and IL-1β; splenic RORγt+CD4+ T cells and ex vivo collagen-stimulated IL-17 production; and a pattern of anti-collagen antibody isotype switching and glycosylation that corresponded with increased complement fixation. IL-23 neutralization reduced disease severity in indole-induced CIA. Finally, exposure of human colon lymphocytes to indole increased expression of genes involved in IL-17 signaling and plasma cell activation. Altogether, we propose a mechanism by which intestinal dysbiosis during inflammatory arthritis results in altered tryptophan catabolism, leading to indole stimulation of arthritis development. Blockade of indole generation may present a novel therapeutic pathway for RA and SpA.

2023-11-13 | GSE241655 | GEO

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