HLA-A and psoriasis: In Brazil’s admixed population, limited previous studies have linked psoriasis to HLA-B*57, -B*27, and -C*06, with HLA-A*02∼C*06∼B*57∼DRB1*07∼DQB1*03 as a common haplotype in patients and HLA-B*07 appears to be protective against psoriasis.12