CMKLR1 and rheumatoid arthritis: Increased expression of CMKLR1 was observed in WAT of obese RA (7.2 ± 12.1 fold change) compared to OA (2.3 ± 3.7 fold change; p = 0.02), particularly in MDA RA (7.4 ± 12.1; p = 0.04) (Figure 3B).