MBD4 and rheumatoid arthritis: The following genes were associated with other conditions from GWAS analysis from global databases: the CACNA1B gene was associated with acute myeloid leukemia [51]; the LAMA3 gene was associated with ovarian cancer [74]; the MBD4 gene was associated with systemic sclerosis [38]; the MUC6 gene was associated with hypertrophic cardiomyopathy and peptic ulcer disease [58,95]; and the RNASEH2B gene was associated with rheumatoid arthritis and prostatic hyperplasia [96,97].