PLX220579

GSE137510: RNA-seq analysis of IL-17A+/IFNy+ CD8+ and IL-17A+CD4+ T cells from Psoriatic Arthritis Synovial Fluid

  • Organsim human
  • Type RNASEQ
  • Target gene
  • Project ARCHS4

Psoriatic arthritis is a seronegative polyarticular form of inflammatory arthritis . Genetic analysis implicates a role for both IL-17/23 axis and CD8+ T cells in disease susceptibility. Using RNA-seq we identified differential gene expression between synovial IL-17A+(IFNy+/-) CD8+ T cells compared to IL-17A-IFNy+ CD8+ T cells and IL-17A+CD4+ T cells from the synovial fluid of psoriatic arthritis patients. We find that IL-17A+CD8+ T cells have a transcriptional overlap with IL-17A+CD4+ T cells. Overall we show these IL-17A+ CD8+ T cells have a polyfunctional, pro-inflammatory capacity and are potentially derived from common precursors, shared with IL-17A-CD8+ T cells. SOURCE: Leonie Taams (taamslab@gmail.com, Leonie.taams@kcl.ac.uk) - King's College London

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