HLA-C and psoriasis: Moreover, the intergenic variant rs10484554*A, which is in LD with HLA-C (r2 ≥ 0.8), was significantly associated with AIDS non-progression (P = 6.27 × 10–8) [73] and with susceptibility to psoriasis (OR = 4.66, P = 4 × 10–214) [58].