HLA-C and acquired polycythemia vera: Associations between PV and HLA class I alleles are observed in diverse populations: HLA-A3, HLA-A26, and HLA-B60 in Han Chinese; HLA-B38, HLA-C12, HLA-B57, and HLA-C15 in Brazilians; HLA-A10 and HLA-B15 in Japanese; HLA-B35 and HLA-B44 in Turks; HLA-B38 in Jewish and Spanish individuals; and HLA-B*4402, HLA-C*0401, and HLA-C*1502 in Iranians [12,13,14,15].