EFFECT OF HLA-DR GENOTYPES ON THE CLINICAL MANIFESTATIONS AT THE ONSET OF TYPE 1 DIABETES IN A GROUP OF PATIENTS FROM CONSTANTA COUNTY
Journal Title: Romanian Journal of Diabetes Nutrition and Metabolic Diseases - Year 2011, Vol 18, Issue 2
Abstract
Type 1 diabetes mellitus (T1DM) is a metabolic disease with multifactorial etiology characterized by β-cell autoimmune processes. The strongest genetic determinants were proved to be class II genes of the major histocompatibility complex, mainly HLA-DR and -DQ genes. The aim of the study was to investigate HLA-DR genotype in association with chronological age at the disease onset. Additionally, the genotype frequencies in relation to the mode of onset and glucose blood concentration at the time of the presentation were analyzed. We typed 62 children with T1DM for alleles of HLA-DR locus and data about the onset of the disease were collected. The statistical analysis of clinical data in correlation with the DR genotype showed an association between DR genotype and the age at onset (p=0.031), but failed to show a correlation between the DR genotype and the mode of onset, or blood glucose at onset (p=0.78 and 0.57, respectively). In conclusion, in our group the DR genotype had effects only on the age of onset and not on the mode of onset or blood glucose at onset.
Authors and Affiliations
Irina Durbala, Cristina Maria Mihai, Doina Catrinoiu, Pietro Maffe
Keywords
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