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Mechanisms research on Cyanidin-3-O-glucoside ameliorating dextran sulfate sodium (DSS)-induced colitis.

ABSTRACT: TMT proteomics for colonic mucosa in DSS-induced colitis mice with or without administrated Cyanidin-3-O-glucoside was used for discovery of differential expressed proteins.

ORGANISM(S): Mus Musculus

SUBMITTER: Cheng Hu

PROVIDER: PXD043662 | iProX | Mon Jul 10 00:00:00 BST 2023

REPOSITORIES: iProX

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3’ RNA-seq of distal colon cells from mice treated or not with DSS and whose mothers were supplemented or not during pregnancy with the prebiotics GOS and inulin

Project description:Our study in mice investigated the potential effects of the prebiotics GOS and inulin administrated during gestation on the development of DSS-induced chronic colitis in the offspring. Mothers were given or not during gestation a diet enriched in the prebiotics GOS and inulin. Eight to ten weeks old male offspring were treated or not with 3 cycles of DSS in drinking water, one cycle consisting of 2 days with DSS and 5 days without DSS.

2022-12-15 | E-MTAB-12176 | biostudies-arrayexpress

GsMTx4 suppresses pro-inflammatory gene expression in DSS-induced colitis in mice.

Project description:The spider venom-derived peptide GsMTx4 specifically inhibits mechanosensory ion channels. It has been reported that GsMTx4 plays an immunoregulatory role in several inflammatory conditions. Therefore, we administrated GsMTx4 to mice with dextran sodium sulfate (DSS)-induced acute colitis, to explore whether it regulates inflammatory responses in colitis.

2023-10-15 | GSE215772 | GEO

Mechanisms research on Solasonine inhibiting Non-Small Cell Lung Cancer (NSCLC) progression

Project description:TMT proteomics for A549 cells in with or without treated Solasonine was used for discovery of differential expressed proteins.

2023-07-10 | PXD043663 | iProX

mRNAs and miRNAs expression data from AOM/DSS, AOM, DSS and control mouse colon epithelial tissue at day100 when tumor formed in AOM/DSS bearing mice --- miRNA microarray

Project description:To find out which miRNAs are significantly differential expression and potentially involved in the process of inflammation promoting carcinogenesis of colorectal cancer (CRC). We established a colitis-associated CRC (AOM/DSS, Azoxymethane/Dextran sulfate sodium salt) model, colitis (DSS) model and high dose carcinogen (AOM, about 5 times AOM amount given than AOM/DSS model) model. At day 100 when tumor formed in AOM/DSS bearing mice (colitis-associated CRC mice) but no tumor was found in AOM (high dose carcinogen) and DSS model, we employed miRNA microarray as a discovery platform to identify genes with the potential to involve in the progression of CRC promoted by inflammation. 5-7 weeks female BALB/c mice, (1) AOM/DSS group: AOM 12.5mg/kg i.p. at day 1, DSS drinking 5d/21dx3circles from day 5; (2) AOM group: AOM 10mg/kg i.p. 1/weekx6 from day 1; (3) DSS group: DSS drinking 5d/21dx3circles from day 5. The distal colon epithelial tissues were collected at day100 when tumor formed in AOM/DSS bearing mice. The miRNA microarray experiments were performed together.

2013-05-10 | E-GEOD-44983 | biostudies-arrayexpress

mRNAs and miRNAs expression data from AOM/DSS, AOM, DSS and control mouse colon epithelial tissue at day100 when tumor formed in AOM/DSS bearing mice --- miRNA microarray

2013-05-10 | GSE44983 | GEO

mRNAs and miRNAs expression data from AOM/DSS, AOM, DSS and control mouse colon epithelial tissue at day100 when tumor formed in AOM/DSS bearing mice --- mRNA expression data

2013-05-10 | GSE44904 | GEO

mRNAs and miRNAs expression data from AOM/DSS, AOM, DSS and control mouse colon epithelial tissue at day100 when tumor formed in AOM/DSS bearing mice --- mRNA expression data

Project description:To find out which mRNAs are significantly differential expression and potentially involved in the process of inflammation promoting carcinogenesis of colorectal cancer (CRC). We established a colitis-associated CRC (AOM/DSS, Azoxymethane/Dextran sulfate sodium salt) model, colitis (DSS) model and high dose carcinogen (AOM, about 5 times AOM amount given than AOM/DSS model) model. At day 100 when tumor formed in AOM/DSS bearing mice (colitis-associated CRC mice) but no tumor was found in AOM (high dose carcinogen) and DSS model, we employed whole genome microarray expression profiling as a discovery platform to identify genes with the potential to involve in the progression of CRC promoted by inflammation. 5-7 weeks female BALB/c mice, (1) AOM/DSS group: AOM 12.5mg/kg i.p. at day 1, DSS drinking 5d/21dx3circles from day 5; (2) AOM group: AOM 10mg/kg i.p. 1/weekx6 from day 1; (3) DSS group: DSS drinking 5d/21dx3circles from day 5. The distal colon epithelial tissues were collected at day100 when tumor formed in AOM/DSS bearing mice. The whole genome microarray expression profiling experiments were performed together.

2013-05-10 | E-GEOD-44904 | biostudies-arrayexpress

Suppression of plasmacytoid dendritic cell migration by compounds derived from natural medicines

Project description:Background and Aims. Dendritic cells (DCs) play a pivotal role in maintaining immunological homeostasis by orchestrating innate and adaptive immune responses via migration to inflamed sites and the lymph nodes (LNs). Plasmacytoid DCs (pDCs) have been reported to accumulate in the colon of inflammatory bowel disease (IBD) patients and dextran sulfate sodium (DSS)-induced colitis mice. However, the role of pDCs in the progression of colonic inflammation remains unclear. Methods. 80 compounds in natural medicines were searched for inhibitors of pDC migration using bone marrow-derived pDCs (BMpDCs) and conventional DCs (BMcDCs). BALB/c mice were given 3% DSS in the drinking water for 7 days to induce acute colitis. Compounds, which specifically inhibited pDC migration, were administrated into DSS-induced colitis mice. Results. Astragaloside IV (As-IV) and oxymatrine (Oxy) suppressed BMpDC migration but not BMcDC migration. In DSS-induced colitis mice, the number of pDCs was markedly increased in the colonic lamina propria (LP), and the expression of CCL21 was obviously observed in colonic isolated lymphoid follicles (ILFs). As-IV and Oxy reduced symptoms of colitis and the accumulation of pDCs in colonic ILFs but not in the colonic LP. Moreover, in a BMpDC adoptive transfer model, BMpDC migration to colonic ILFs was significantly decreased by treatment with As-IV or Oxy. Conclusion. pDCs accumulated in the colon of DSS-induced colitis mice, and As-IV and Oxy ameliorated DSS-induced colitis by suppressing pDC migration to colonic ILFs. Accordingly, the selective inhibition of pDC migration may be a potential therapeutic approach for treating colonic inflammatory diseases.

2021-07-06 | GSE167388 | GEO

Immunoregulatory actions of T cell PPAR g at the colonic mucosa

Project description:BACKGROUND: Peroxisome proliferator-activated receptor g (PPAR g) is a nuclear receptor whose activation has been shown to modulate macrophage and epithelial cell-mediated inflammation. The objective of this study was to use a systems approach for investigating the mechanism by which the deletion of PPAR g in T cells modulates the severity of dextran-sodium sulfate (DSS)-induced colitis, immune cell distribution and global gene expression. METHODS: Wild-type (WT) or PPAR g flfl; CD4 Cre+ (CD4cre) mice in a C57BL/6 background were challenged with 2.5% DSS in their drinking water for 0, 2, or 7 days. Mice were scored on disease severity both clinically and histopathologically. Flow cytometry was used to assess lymphocyte and macrophage populations in the blood, spleen, and mesenteric lymph nodes (MLN). Global gene expression in colonic mucosa was profiled using Affymetrix microarrays. RESULTS: Both disease severity and inflammation-related body weight loss were accelerated by the deficiency of PPAR g in T cells. Examination of colon histopathology revealed significantly greater epithelial erosion, leukocyte infiltration, and mucosal thickening in the CD4cre mice on day 7. CD4cre mice had more CD8+ T cells than wt mice and fewer CD4+FoxP3+ regulatory T cells (Treg) and IL10+CD4+ T cells in blood and MLN, respectively. Transcriptomic profiling revealed around 3000 genes being transcriptionally altered as a result of DSS challenge in CD4cre mice. These included up-regulated adhesion molecules on day 7 and proinflammatory cytokines interleukin-6 (IL-6) and IL-1b, and suppressor of cytokine signaling 3 (SOCS-3) mRNA expression. CONCLUSIONS: These findings suggest that T cell PPAR g down-regulates inflammation during DSS colitis by inhibiting colonic expression of inflammatory mediators and increasing MLN Treg. Colonic mucosa from wt and CD4cre mice were sampled at 0 (no DSS), 2, and 7 days of DSS-induced experimental colitis

2010-07-08 | E-GEOD-20523 | biostudies-arrayexpress

Immunoregulatory actions of epithelial cell PPAR g at the colonic mucosa

2010-07-08 | E-GEOD-20621 | biostudies-arrayexpress

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