In the current study , the haplotype structure of the PTPN22 region was determined , and individual haplotypes were tested for association with type 1 diabetes in family-based tests .
O O O O O O O O O O B-GeneOrGeneProduct O O O O O O O O O O O O B-DiseaseOrPhenotypicFeature I-DiseaseOrPhenotypicFeature I-DiseaseOrPhenotypicFeature O O O O