It is well known that CD is Bly associated with human leukocyte antigen HLA class II, HLA-DQ2 and HLA-DQ8 which are located on chromosome 6p21.
Es bien conocido que la EC está fuertemente asociada con los antígenos leucocitarios humanos HLA de clase II, HLA-DQ2 y HLA-DQ8 localizado en el cromosoma 6p21.