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  • Title: [The susceptible alleles on HLA-DRB 1 of type I diabetes in children in Harbin].
    Author: Zhang H, Wang B, Zhao X, Sun J, Liang Z, Zhang D, Yang Z, Sun Y, Shen J.
    Journal: Zhonghua Liu Xing Bing Xue Za Zhi; 2000 Aug; 21(4):267-9. PubMed ID: 11860796.
    Abstract:
    OBJECTIVE: To evaluate association between type I diabetes in children and HLA-DRB1 alleles in Harbin. METHODS: Case-control method was employed, and the PCR-SSP technique was used to identify HLA-DRB1 alleles. RESULTS: The frequencies of DRB1 * 0301 and DR3/4 heterozygosity were significantly higher but the frequency of DR2 was significantly lower in cases than that in controls. In DR4 subtypes, the frequency of DRB1 * 0405 was higher and the frequency of DRB1 * 0406 was lower in cases than that in the controls. The difference between cases and controls in DRB1 * 0901 was not significant. CONCLUSION: DRB1 * 0301 allele and DR3/4 heterozygosity were the important susceptibility and heterozygosity genes while DR2 was the most important protective gene in Harbin. The DR4 possessed double-tendency. DRB1 * 0405 conferred susceptibility and DRB1 * 0406 conferred little protection. The susceptibility conferred by DRB1 * 0901 was not certain in type I diabetes in childhood in China. This study provided useful genetic data on the study of etiology of type I diabetes mellitus.
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