CISH and rheumatoid arthritis: Autoantibodies for Cytokine inducible SH2 containing protein (CISH) were positively correlated with CDAI (ρ = 0.44, P = 6.5 × 10–4) when pooling both RA subgroups simultaneously (Supplementary Fig. 1), but not in either subgroup separately (Fig. 5, bottom).