The expressions of FCGR2A in monocytes and OLFML3 in fibroblasts were elevated in RA versus OA, whereas PAM in fibroblasts and TNFAIP3 in T cells were downregulated in RA relative to OA (Figure 6D, Supplementary File S3: Figure S2). This evidence concerns the gene TNFAIP3 and rheumatoid arthritis.