HLA-DRB1 and sarcoidosis: We replicated associations for several previously reported sarcoidosis susceptibility risk loci in our AA collection including MHC Class II region genes (HLA-DRA, HLA-DRB5, HLA-DRB1, and HLA-DQA1), BTNL2, RAB23, and ANXA11[9], [11], [25], [27], [49].