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E-GEOD-34874

ABSTRACT: Transcription profiling by array of murine colon tissue after exposure to 4% dextran sodium sulphate (DSS) for 6 days followed by 4 days of water or 1% L-arginine to study the effect of L-arginine on DSS-induced colitis

OTHER RELATED OMICS DATASETS IN: PRJNA150105

PROVIDER: E-GEOD-34874 | ExpressionAtlas | 2015-01-07

REPOSITORIES: ExpressionAtlas

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			Action	DRS
	E-GEOD-34874-analysis-methods.tsv	Tabular
	E-GEOD-34874-atlasExperimentSummary.Rdata	Rdata
	E-GEOD-34874-configuration.xml	Xml
	E-GEOD-34874-percentile-ranks.tsv	Tabular
	E-GEOD-34874.condensed-sdrf.tsv	Tabular

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E-GEOD-42768

Project description:Transcription profiling by array of colon tissues isolated from mice with acute and chronic dextran sodium sulphate (DSS)-induced colitis

2014-10-17 | E-GEOD-42768 | ExpressionAtlas

Colonic gene expression data of acute and chronic dextran sodium sulphate (DSS) colitis mice

Project description:The lack of suitable animal models reflecting chronically relapsing inflammation and tissue remodeling have hindered fibrosis research in inflammatory bowel diseases (IBD). This study investigated changes in connective tissue in a chronic murine model using different cycles of dextran sodium sulphate (DSS) to mimic the relapsing nature of the disease. We used whole gene expression arrays to study differences in colonic gene expression levels between acute and more chronic DSS colitis, Acute and chronic relapsing colonic inflammation was induced in C57BL6 female mice using several cycles of exposure to DSS in drinking water, followed by recovery phases. Total RNA, extracted from snap frozen colon from five mice per condition was used to analyze mRNA expression via Affymetrix Mouse Gene 1.0 ST arrays.

2013-09-03 | E-GEOD-42768 | biostudies-arrayexpress

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Project description:Transcription profiling by array of Mus musculus colonic mucosa after treatment with dextran sodium sulphate (DSS) for 2 or 7 days which induces experimental colitis

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Project description:Increased levels of tissue inhibitor of metalloproteinase-1 (TIMP-1) have been detected in fibrotic strictures in Crohnâs disease. In a murine model of chronic inflammation, fibrosis was associated with an increase in TIMP-1 and inhibition of matrix metalloproteinase (MMP)-mediated degradation. We investigated the effect of TIMP-1 deficiency on the colonic gene expression in acute and chronic murine models of colitis, using whole genome gene expression arrays. Colitis was induced via oral administration of dextran sodium sulphate (DSS) to B6.129S4-Timp1tm1Pds/J knock-out (KO) and C57BL/6J wild-type (WT) mice. Total RNA extracted from snap frozen colon was used to analyze mRNA expression via Affymetrix Mouse Gene 1.0 ST Arrays

2016-07-22 | E-GEOD-73424 | biostudies-arrayexpress

Expression data from murine colon tissue after exposure to 4% DSS for 6 days DSS followed by 4 days of water or 1% L-arginine

Project description:L-Arginine (L-Arg) is the substrate for both inducible nitric oxide synthase and arginase, which are upregulated in human IBD and in mouse colitis models. We have found that L-Arg supplementation enhances wound restitution in vitro, and improves the clinical parameters of weight loss, survival, and colon weight/length, in dextran sulfate sodium (DSS) induced murine colitis. Our aim was to further identify the potential mechanisms underlying the clinical benefit of L-Arg supplementation. 12 Total samples were analyzed, 3 samples from each of 4 groups. We generated the following pairwise comparisons: Ctrl vs Ctrl + L-Arg; Ctrl vs DSS; DSS vs DSS + L-Arg; Ctrl + L-Arg vs DSS, Ctrl + L-Arg vs DSS + L-Arg. Genes with a p-value < 0.01 and a fold-change ≥2 were selected. To identify genes that were altered in response to L-Arg, we performed the following multiple sample comparisons using a p-value < 0.01 and a fold-change ≥2: Ctrl vs DSS vs DSS + L-Arg

2012-06-26 | E-GEOD-34874 | biostudies-arrayexpress

Expression data from murine colon tissue after exposure to 4% DSS for 6 days DSS followed by 4 days of water or 1% L-arginine

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Transcriptional profiling of murine distal colon from C57BL/6 (WT), Il20KO, Il20raKO and Il20rbKO mice during acute DSS colitis

Project description:Experimental colitis was induced in mice by the administration of 1.5% (w/v) Dextran sulfate sodium salt (DSS, colitis grade, 36-50kDa, MP Biomedicals) in the drinking water for 7 days followed by normal drinking water w/o DSS. Distal colons were collected two days later.

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Transcriptional profiling of murine distal colon from C57BL/6 (WT) and Stat2KO mice during acute DSS colitis.

Project description:Experimental colitis was induced in mice by the administration of 2% (w/v) Dextran sulfate sodium salt (DSS, colitis grade, 36-50kDa, MP Biomedicals) in the drinking water for 7 days followed by normal drinking water w/o DSS. Distal colons were collected two days later.

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