IFNG and rheumatoid arthritis: For rheumatoid arthritis, 137 of the 220 associated genes are involved in GO biological processes, and the 25 significantly enriched processes (Supplementary Table S4) include interferon-gamma-mediated signaling pathway (p = 1.20 × 10−11), and antigen processing and presentation of exogenous peptide antigen via MHC class II (p = 4.21 × 10−11).