Before the onset of clinically apparent disease, the pathogenesis of RA goes through a number of sequential phases. The presence of autoimmunity through RF and ACPAs can be detected up to 13 years before the onset of clinical synovitis. An important component of the immune system is Treg cells which limit damage caused by excessive immune activity. These cells have been found to be dysfunctional in RA. This study aimed to identify autoreactive T cells to a known RA-associated antigen and determi...

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