ERAP1 Gene Variants and Haplotypes Associated With Psoriasis Vulgaris of Han Chinese in Inner Mongolia.

Background: This study aimed to investigate the association between genetic variants of ERAP1 (OMIM: 606832) and psoriasis vulgaris (PsV) susceptibility in Inner Mongolia Han nationality.

Methods: For primary screening, the subjects included 142 PsV cases and 100 healthy controls without psoriasis. The 27 exons of ERAP1 gene were sequenced to screen significant genetic variants.