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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

ABSTRACT: This SuperSeries is composed of the SubSeries listed below. Refer to individual Series

ORGANISM(S): Mus musculus

SUBMITTER: yanqiao zhang

PROVIDER: E-GEOD-44988 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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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 --- 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.

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Genes and miRNAs regulated by Gadd45a during somatic cell reprogramming

Project description:This SuperSeries is composed of the SubSeries listed below. Refer to individual Series

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2014-04-22 | E-GEOD-56942 | biostudies-arrayexpress

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miRNA profile in mice lung after influenza A infection

Project description:The regulation of host defense against influenza A viruses (IAVs) infection has attracted much attention, especially for type I interferon (IFN)-mediated innate response. Here we revealed that miR-93 expression was significantly downregulated in Alveolar epithelial type II cells (AT2) upon IAVs infection through RIG-I/JNK pathway. Inhibition of miR-93 was found to suppress host antiviral innate response by facilitating type I IFN effector signaling, and JAK1 was identified to be directly targeted by miR-93. Importantly, in vivo administration of miR-93 antagomiR significantly inhibited miR-93 expression and markedly suppressed IAVs infection, which in turn prevented the death of IAVs infected mice. Hence, the inducible downregulation of miR-93 suppress IAVs infection by upregulation IFN-JAK-STAT effector pathway, and in vivo inhibition of miR-93 bears considerable therapeutic potential for suppressing IAVs infection. The miRNA profiling in mice lung was measured at 24 and 36 hours after gave each mouse 50µl of influenza A (50 µl of 10-6 TCID50/µl) via retropharyngeal instillation. Three mice were performed at each time (24 or 36 hours) and RNA from different donors was mixed before determination.

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