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Accession IconGSE53349

CD8+ T cells during acute viral respiratory infection are uniquely differentiated and regulated by multiple inhibitory receptors

Organism Icon Mus musculus
Sample Icon 12 Downloadable Samples
Technology Badge Icon Affymetrix Mouse Gene 1.1 ST Array (mogene11st)

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Description
Acute viral infection typically generates functional effector CD8+ T cells that aid in pathogen clearance. However, during acute viral lower respiratory infection (LRI), lung CD8+ T cells are functionally impaired and do not optimally control viral replication, while spleen CD8+ T cells specific for the same viral epitopes remain fully functional. To better understand the mechanisms governing lung CD8+ T cell impairment, we used flow cytometry to sort anti-viral CD8+ T cells during viral LRI. Lung and spleen cells were stained with MHC-class I tetramers representing the immunodominant anti-viral CD8+ T cell epitope. We then sorted to high purity: nave CD8+ T cells, spleen epitope-specific CD8+ T cells, lung epitope-specific CD8+ cells and secondary infection lung epitope-specific CD8+ T cells. We then performed a genome wide transcriptional analysis of these cells to characterize the gene expression profile of lung CD8+ T cell impairment.
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