HLA-B*13:02g, B*15:01g, B*37:01g, B*38:01g, B*57:01g, B*57:02g, B*13:02g, C*01:02g, C*06:02g, C*12:03g, C*18:01g, DRB1*01:02g, DRB1*04:08g and DPB1*04:01g alleles were associated with an increased risk of psoriasis (after the Bonferroni correction factor, only the HLA-C*06:02 remained significant). The gene discussed is HLA-DRB1; the disease is psoriasis.