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Lookup NU author(s): Dr Faye Cooles,
Professor John Isaacs,
Dr Amy Anderson
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Rheumatoid arthritis (RA) is a chronic inflammatory autoimmune disease arising from a breakdown in immunological self-tolerance, which leads to aberrant immune responses to autoantigens. Regulatory CD4(+) T-cells (Tregs) underpin one of the key mechanisms of self-tolerance and are a major focus of study in RA and other autoimmune diseases. In order to design new and improved therapies to reinstate self-tolerance, and perhaps cure disease, we need to understand the complex mechanism of action of Tregs. This review addresses recent findings in the field of Tregs in RA, with particular focus on identification of potential defects in Treg-mediated self-tolerance mechanisms present in RA patients, as well as how Tregs interact with other cells in the inflamed joints. As antigen-specific Tregs are a potential route for the reinstatement of immune tolerance, we also discuss new strategies currently being investigated which expand or induce de novo generation of Tregs.
Author(s): Cooles FA, Isaacs JD, Anderson AE
Publication type: Review
Publication status: Published
Journal: Current Rheumatology Reports
Print publication date: 26/07/2013
ISSN (print): 1523-3774
ISSN (electronic): 1534-6307
PubMed id: 23888361