IL10 and rheumatoid arthritis: In a previous work by Schotte et al., the association of IL-10 promoter SNPs (−2849 G>A (rs6703630), −1082 G>A (rs1800896), −819 C>T (rs1800871), and −592 C>A (rs1800872) with a response to etanercept treatment in RA patients was studied [50].