known as Crohn's disease and ulcerative colitis have shown strong evidence of association
to the major histocompatibility complex (MHC). This region encodes a large number of
immunological candidates, including the antigen-presenting classical human leukocyte
antigen (HLA) molecules1. Studies in IBD have indicated that multiple independent
associations exist at HLA and non-HLA genes, but they have lacked the statistical power to …