Figure 4. METRNL is over-expressed in Rheumatoid Arthritis (RA).

Microarray data from Affymetrix U133 2.0 Plus genearray analyses of synovial membranes of patients with RA or normal controls indicate that METRNL is over-expressed in RA lesions (*P<0.047). N=5 for both patients and controls (from ref 18).