CONCLUSIONS : In two different Caucasian populations , the Czechs and the Azeri , no independent contribution can be detected either of the -1123 promoter SNP or the +2740 3'-UTR SNP , and only the minor allele at PTPN22 codon 620 contributes to the risk of autoimmunity .
O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-GeneOrGeneProduct O O O O O O O O O