Mus musculus
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA238585 | ENA |
REPOSITORIES: ENA
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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.
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Project description: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
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Project description: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
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Project description:The objective of the study was to evalute the changes in gene expression associated to UCP2 invalidation in colon tumors from AOM/DSS-treated mice We used microarrays (Mouse Gene 2.0) to investigate gene expression in Ucp2+/+ and Ucp2-/- colon tumors
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Project description:This study identifies a novel mechanism linking IL-17A with colon tissue repair and tumor development. Abrogation of IL-17A signaling mice attenuated tissue repair of DSS-induced damage in colon epithelium and markedly reduced tumor development in AOM/DSS model of colitis-associated cancer. The goal of these studies is to identify genes associated with IL-17RC deficiency during AOM-DSS induced tumorigenesis
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Project description:Colorectal cancer (CRC) is currently the third in cancer incidence worldwide and the fourth most common cause of cancer deaths. To discover the proteins related to colon cancer, a typical inflammation-related C57B/6N mouse colon carcinogenesis model was developed using azoxymethane-dextran sodium sulfate (AOM-DSS) treated for 14 weeks. iTRAQ-based proteomics study was performed using cell membrane components enriched from colonic mucosa. Tumor tissues and their adjacent normal colon tissues from colonic cancer patients were collected for differential protein detection and metabolomics studies. Totally, 74 differentially expressed proteins were identified in the AOM/DSS treated tumor samples compared with AOM/DSS treated adjacent samples, and the saline treated control. Bioinformatics analysis showed that eight downregulated proteins were enriched in the pathway of valine, leucine and isoleucine degradation. Targeted metabolomics study showed that valine, leucine and isoleucine was upregulated in tumor tissues compared with their adjacent normal tissues from colonic cancer patients. Further real-time PCR and western blot experiments showed that the signal pathway proteins of Hadh and ALDH2 were downregulated in colon patients (colon tumor tissues vs their adjacent colon tissues), as well as in AOM/DSS treated mouse model. In all, our study showed that the pathway of valine, leucine and isoleucine degradation was inactivation in colon cancer, and Hadh and ALDH2 were two potential biomarkers for colon cancer treatment.
2023-11-13 | PXD046882 |
Project description:Gene expression data from mouse colon. AOM+DSS induced colitis. Wild type or Cygb -/- mice
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