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题目:: Transcription profiling of mouse cecal mucosa AFTER infection WITH Salmonella serotype Typhimurium
ID:
状态:: 发布时间April 7, 2008 , 更新时间 May 2, 2014 , 提交时间 Feb. 20, 2008,
物种:: Mus musculus
摘要:: Salmonella enterica serotype Typhimurium causes an acute inflammatory reaction in the cecum of streptomycin pre-treated mice. We determined global changes in gene expression elicited by serotype Typhimurium in the cecal mucosa. The gene expression profile was dominated by T cell derived cytokines and genes whose expression is known to be induced by these cytokines. Markedly increased mRNA levels of interferon (IFN) , interleukin (IL) 22 and IL-17 were detected by quantitative real-time PCR. Furthermore, mRNA levels of genes whose expression is induced by IFN, IL-22 or IL-17, including macrophage inflammatory protein (MIP)-2, inducible nitric oxide synthase (iNOS), lipocalin-2, MIP-1, MIP-1, and keratinocyte-derived cytokine (KC), were also markedly increased. To assess the importance of T cells in orchestrating this pro-inflammatory gene expression profile, we depleted T cells using a monoclonal antibody prior to investigating cecal inflammation caused by serotype Typhimurium in streptomycin pre-treated mice. Depletion of CD3+ T cells resulted in a dramatic reduction in gross pathology, a significantly reduced recruitment of neutrophils and a marked reduction in mRNA levels of IFN, IL-22, IL-17, iNOS, lipocalin-2 and KC. Our results suggest that T cells play an important role in amplifying inflammatory responses induced by serotype Typhimurium in the cecal mucosa. Experiment Overall Design: Determine global changes in gene expression elicited by serotype Typhimurium in the cecal mucosa. For each condition, control and infected, total cecal RNA from 4 mice was pooled
实验种类:: transcription profiling by array
样本量:: 2
实验设计:
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数据号:: E-GEOD-10594, GSE10594
数据状态:: 无法自动分析，您可以尝试手动分析数据。

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