As shown in Figure 2, 84.3% and 76.6% of IL-17+ cells were included in the CD183−·CD196+ cells in memory CD4+T cells in RA and OA, respectively (Kruskal-Wallis, p = 0.0014 (RA), 0.00017 (OA)). This evidence concerns the gene IL17A and rheumatoid arthritis.