CCR6 and primary biliary cholangitis: The Han Chinese GWAS analysis of 1126 PBC cases and 4036 healthy controls conducted by our group identified multiple SNPs in C–C chemokine receptor type 6 (CCR6) locus with P value between 1 × 10−4 and 2.04 × 10−7, indicating CCR6 as a potential risk locus for PBC.