Among these, nine genes (RNF5P1, SERBP1P3, HLA-DQB1-AS1, CYP21A1P, HLA-C, MTRF1L, HLA-DQA2, C15orf40, and KANSL1-AS1) displayed consistent significance across BD, SCZ, and MI (Supplementary Table S7). This evidence concerns the gene C15orf40 and Behcet disease.