Gene Set: GSE46468_LUNG_INNATE_LYMPHOID_CELL_VS_SPLEEN_CD4_TCELL_DN

Standard name GSE46468_LUNG_INNATE_LYMPHOID_CELL_VS_SPLEEN_CD4_TCELL_DN
Systematic name M8444
Brief description Genes down-regulated in lung innate lymphoid cells versus spleen CD4 [GeneID=920] T cells.
Full description or abstract Innate lymphoid cells (ILCs) are a recently recognized heterogenous group of immune cells that are critical in orchestrating immunity and inflammation in the intestine, but whether ILCs influence immune responses or tissue homeostasis at other mucosal sites remains poorly characterized. Here we identify a population of lung-resident ILCs in mice and humans that expressed the alloantigen Thy-1 (CD90), interleukin 2 (IL-2) receptor a-chain (CD25), IL-7 receptor a-chain (CD127) and the IL-33 receptor subunit T1-ST2. Notably, mouse ILCs accumulated in the lung after infection with influenza virus, and depletion of ILCs resulted in loss of airway epithelial integrity, diminished lung function and impaired airway remodeling. These defects were restored by administration of the lung ILC product amphiregulin. Collectively, our results demonstrate a critical role for lung ILCs in restoring airway epithelial integrity and tissue homeostasis after infection with influenza virus. As part of this study, we performed gene expression profiling to examine how the transcriptional signatures compared between murine nave group 2 lung ILC and group 3 splenic LTi cell populations.
Collection C7: immunologic signature gene sets
      IMMUNESIGDB: ImmuneSigDB gene sets
Source publication Pubmed 21946417   Authors: Monticelli LA,Sonnenberg GF,Abt MC,Alenghat T,Ziegler CG,Doering TA,Angelosanto JM,Laidlaw BJ,Yang CY,Sathaliyawala T,Kubota M,Turner D,Diamond JM,Goldrath AW,Farber DL,Collman RG,Wherry EJ,Artis D
Exact source GSE46468_3662_200_DN
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Organism Mus musculus
Contributed by Jernej Godec (Dana-Farber Cancer Institute)
Source platform HUMAN_GENE_SYMBOL
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Version history 7.3: Moved to ImmuneSigDB sub-collection.

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