Ontology highlight
ABSTRACT:
PROVIDER: PRJNA908717 | ENA |
REPOSITORIES: ENA
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Project description:IL17B protected mice from dextran sodium sulfate (DSS)-induced colitis since IL17B deficiency resulted in severe DSS-induced colitis with exaggerated weight loss, shorter colon length, and elevated proinflammatory cytokine production in colon. For mechanism study, we use single cell transcriptional analyses of CD45+ immune cells in colonic lamina propria to detect the effect of IL-17B on colon LP immune cells in colitis. We found increased inflammatory macrophages infiltration in colon lamina propria after colitis induction expressing inflammatory cytokines such as S100a9, S100a8, Tnf, which was confirmed by real-time PCR and flow cytometry. Reconstitute of Il17b-/- mice with recombinant IL17B alleviated the severity of DSS-induced colitis. IL17B treatment also inhibited LPS-induced inflammation in bone marrow derived macrophage and in mice. These data indicate that IL17B exerting its inhibitory role in inflammation by regulating inflammatory macrophage response. In view of the protective effect of IL17B on DSS-induced colitis and LPS-induced inflammation, IL17B might represent a novel potential therapeutic approach to treat the inflammation.
2023-01-17 | GSE162062 | GEO
Project description:IL17B protected mice from dextran sodium sulfate (DSS)-induced colitis since IL17B deficiency resulted in severe DSS-induced colitis with exaggerated weight loss, shorter colon length, and elevated proinflammatory cytokine production in colon. For mechanism study, we use single cell transcriptional analyses of CD45+ immune cells in colonic lamina propria to detect the effect of IL-17B on colon LP immune cells in colitis. We found increased inflammatory macrophages infiltration in colon lamina propria after colitis induction expressing inflammatory cytokines such as S100a9, S100a8, Tnf, which was confirmed by real-time PCR and flow cytometry. Reconstitute of Il17b-/- mice with recombinant IL17B alleviated the severity of DSS-induced colitis. IL17B treatment also inhibited LPS-induced inflammation in bone marrow derived macrophage and in mice. These data indicate that IL17B exerting its inhibitory role in inflammation by regulating inflammatory macrophage response. In view of the protective effect of IL17B on DSS-induced colitis and LPS-induced inflammation, IL17B might represent a novel potential therapeutic approach to treat the inflammation.
2023-01-17 | GSE161987 | GEO
Project description:H3K27me3 statuses were analyzed in normal mouse colonic epithelial cells and in those exposed to DSS-induced colitis, and aberrant changes of H3K27me3 by DSS-induced colitis were identified.
2015-10-15 | GSE74007 | GEO
Project description:Colonic gene expression profiles of mice with DSS-induced colitis treated with apple peel polyphenolic extract Four-condition experiment: control, DSS-induced colitis, and mice treated with DAPP (two different doses (200 and 400 mg/kg/day) before or during induction and development of DSS-induced colitis.
2016-12-06 | GSE71920 | GEO
Project description:Inflammatory bowel disease (IBD) is a multiple-genes-involved chronic disease and current available targeted drugs for IBD only deliver moderate efficacy. Whether there is a single gene that systematically regulates IBD is not yet known. Here we showed that the expression of miR-146a in colon was elevated in Dextran Sulfate Sodium Salt (DSS)-induced IBD mice and patients with IBD. DSS induced dramatic body weight loss and much more rectal bleeding, shorter colon length and colitis in miR-146a knock-out mice than wild type (WT) mice. The miR-146a mimics alleviated DSS-induced symptoms in both DSS-induced miR-146a-/- and WT mice. Further RNA sequencing illustrated that deficiency of miR-146a de-repressed majority of DSS-induced IBD-related genes which cover multiple genetic regulatory networks in IBD, and supplement of miR-146a mimics inhibited expression of many IBD-related genes. DOI 10.3389/fimmu.2024.1366319
2024-04-24 | GSE247433 | GEO