immune mediators in osteoarthritis: infrapatellar fat pad-infiltrating cd8+ t cells are increased in osteoarthritic patients with higher clinical radiographic grading

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ID: 180393
2016
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Abstract
Osteoarthritis is a condition of joint failure characterized by many pathologic changes of joint-surrounding tissues. Many evidences suggest the role of both innate and adaptive immunity that interplay, resulting either in initiation or in progression of osteoarthritis. Adaptive immune cells, in particular T cells, have been demonstrated to play a role in the development of OA in animal models. However, the underlying mechanism is yet unclear. Our aim was to correlate the frequency and phenotype of tissue-infiltrating T cells in the synovial tissue and infrapatellar fat pad with radiographic grading. Our results show that CD8+ T cells are increased in osteoarthritic patients with higher radiographic grading. When peripheral blood CD8+ T cells were examined, we show that CD8+ T cells possess a significantly higher level of activation than its CD4+ T cell counterpart (P<0.0001). Our results suggest a role for CD8+ T cells and recruitment of these activated circulating peripheral blood CD8+ T cells to the knee triggering local inflammation within the knee joint.
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apinun2016internationalimmune Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Jirun Apinun;Panjana Sengprasert;Pongsak Yuktanandana;Srihatach Ngarmukos;Aree Tanavalee;Rangsima Reantragoon
Journal international journal of geophysics
Year 2016
DOI
10.1155/2016/9525724
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