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Figure 2 | Arthritis Research & Therapy

Figure 2

From: Identification of a cytokine network sustaining neutrophil and Th17 activation in untreated early rheumatoid arthritis

Figure 2

Very early rheumatoid arthritis (VERA) patients and synovial fluid (SF) of established rheumatoid arthritis (RA) display increased levels of interleukin-17A (IL-17A). (a) The serum concentration of IL-17A was measured in VERA and very early arthritis (VEA) patients as well as healthy controls and patients with established RA. The serum concentration of IL-17A was increased in VERA patients compared with healthy controls. (b) The concentration of IL-17A was measured in the SF collected from patients with established RA and from a control group with osteoarthritis (OA). In the SF of patients with RA, we observed a significant increase of IL-17A. Dotted lines represent the limit of detection for the assay. Differences were considered statistically significant for P values of less than 0.05 according to the Mann-Whitney test.

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