Unknown,Transcriptomics,Genomics,Proteomics

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CC10 gene deletion: Effect on gene expression in the sinonasal mucosa

ABSTRACT: Comparative analysis of gene expression in murine sinonasal mucosa in wild-type and CC10-knockout littermates with allergic eosinophilic chronic rhinosinusitis. The data provide a comprehensive overview of genes expressed in the mouse sinonasal mucosa and show that the expression of several known and unidentified genes is modified by disruption of the CC10 gene. Total RNA isolated from sinonasal mucosae of 6- to 8-week-old mice, C57BL/6 strain, was used for this comparison. Three groups: wild-type control, wild-type with allergic eosinophilic chronic rhinosinusitis, and CC10-knockout with allergic eosinophilic chronic rhinosinusitis.

ORGANISM(S): Mus musculus

SUBMITTER: heng wang

PROVIDER: E-GEOD-20969 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Project description:Memory helper T cells provide long-lasting host defeMemory helper T cells provide long-lasting host defense against microbial pathogens, while distinct subpopulations of memory T cells drive chronic inflammatory diseases such as asthma. Asthma is a chronic allergic inflammatory disease with airway remodeling including fibrotic changes. The immunological mechanisms that induce airway fibrotic changes in allergic inflammation remain unknown. We found that Interleukin-33 (IL-33) enhanced Amphiregulin production by the IL-33 receptor, ST2hi memory T helper-2 (Th2) cells. Amphiregulin-epidermal growth factor receptor (EGFR)-mediated signaling directly reprogramed eosinophils to an inflammatory state with enhanced production of Osteopontin, a key profibrotic immunomodulatory protein. IL-5-producing memory Th2 cells and Amphiregulin-producing memory Th2 cells appeared to cooperate to establish lung fibrosis. The analysis of polyps from patients with eosinophilic chronic rhinosinusitis revealed fibrosis with accumulation of Amphiregulin-producing CRTH2hiCD161hiCD45RO+CD4+ Th2 cells and Osteopontin-producing eosinophils. Thus, the IL-33-Amphiregulin-Osteopontin axis directs fibrotic responses in eosinophilic airway inflammation and is a potential target for the treatment of fibrosis induced by chronic allergic disorders. against microbial pathogens, while distinct subpopulations of memory T cells drive chronic inflammatory diseases such as asthma. Asthma is a chronic allergic inflammatory disease with airway remodeling including fibrotic changes. The immunological mechanisms that induce airway fibrotic changes in allergic inflammation remain unknown. We found that Interleukin-33 (IL-33) enhanced Amphiregulin production by the IL-33 receptor, ST2 hi memory T helper-2 (Th2) cells. Amphiregulin-epidermal growth factor receptor (EGFR)-mediated signaling directly reprogramed eosinophils to an inflammatory state with enhanced production of Osteopontin, a key profibrotic immunomodulatory protein. IL-5-producing memory Th2 cells and Amphiregulin-producing memory Th2 cells appeared to cooperate to establish lung fibrosis. The analysis of polyps from patients with eosinophilic chronic rhinosinusitis revealed fibrosis with accumulation of Amphiregulin-producing CRTH2hiCD161hiCD45RO+CD4+ Th2 cells and Osteopontin-producing eosinophils. Thus, the IL-33-Amphiregulin-Osteopontin axis directs fibrotic responses in eosinophilic airway inflammation and is a potential target for the treatment of fibrosis induced by chronic allergic disorders.

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CC10 gene deletion: Effect on gene expression in the sinonasal mucosa

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