TRAF6 and rheumatoid arthritis: A significant correlation was observed between TRAF6 gene expression and miR-194-5p, indicating a moderate positive correlation (r=0.603; p<0.001) (Figure 2b), which was maintained in the subgroups analysis (RA patients’ group: r=0.721; p<0.001; control group: r=0.521; p=0.041).