Additional file 1: Figure S1.

CD4+CD25-Foxp3+ T cells correlate with regulatory T cells but not with activated T cells. CD4+CD25-Foxp3+ T cells from systemic lupus erythematosus (SLE) patients showed a significant correlation with CD4+CD25+Foxp3+ (r = 0.7; P <0.0001) but not with CD4+ CD25+Foxp3- (r = 0.17; P = 0.32).

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Bonelli et al. Arthritis Research & Therapy 2014 16:R104   doi:10.1186/ar4553