Journal of diabetes and its complications · 2016
CCR5-Δ32 gene polymorphism is related to celiac disease and autoimmune thyroiditis coincidence in patients with type 1 diabetes.
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Słomiński Bartosz, Ławrynowicz Urszula, Myśliwska Jolanta, Ryba-Stanisławowska Monika, Skrzypkowska Maria, Myśliwiec Małgorzata, Brandt Agnieszka
Аннотация
AIM: The aim of the study was to assess the relationship between CCR5-Δ32 polymorphism and the coincidence of celiac and autoimmune thyroid diseases with type 1 diabetes mellitus (T1D) in children.
METHODS: 420 children with T1D aged 15.5±3.0years and 350 healthy controls were studied. Characterization of CCR5-Δ32 genotypes (rs333) was analyzed by polymerase chain reaction (PCR).
RESULTS: The allele frequency was significantly different in diabetic children as compared to the healthy controls (p<0.0001). We found negative association between T1D and Δ32 allele (OR=0.383; 95% CI=0.268-0.549). Besides, we observed alterations in the frequencies of CCR5-Δ32 genotypes due to celiac and autoimmune thyroid diseases. The risk of celiac disease for patient carriers of the 32-bp deletion was more than threefold higher than for noncarriers (OR=3.490; 95% CI=1.357-8.859; p=0.009). Similar results were obtained in the case of autoimmune thyroiditis. The risk of autoimmune thyroiditis for patient carriers of the 32-bp deletion was also more than threefold higher than for noncarriers (OR=3.466; 95% CI=1.754-6.849; p=0.0004).
CONCLUSIONS: The findings of our studies suggest that the CCR5-Δ32 polymorphism is associated with type 1 diabetes mellitus and the Δ32 allele increases the risk of celiac disease and autoimmune thyroid disorders in patients with T1D.
METHODS: 420 children with T1D aged 15.5±3.0years and 350 healthy controls were studied. Characterization of CCR5-Δ32 genotypes (rs333) was analyzed by polymerase chain reaction (PCR).
RESULTS: The allele frequency was significantly different in diabetic children as compared to the healthy controls (p<0.0001). We found negative association between T1D and Δ32 allele (OR=0.383; 95% CI=0.268-0.549). Besides, we observed alterations in the frequencies of CCR5-Δ32 genotypes due to celiac and autoimmune thyroid diseases. The risk of celiac disease for patient carriers of the 32-bp deletion was more than threefold higher than for noncarriers (OR=3.490; 95% CI=1.357-8.859; p=0.009). Similar results were obtained in the case of autoimmune thyroiditis. The risk of autoimmune thyroiditis for patient carriers of the 32-bp deletion was also more than threefold higher than for noncarriers (OR=3.466; 95% CI=1.754-6.849; p=0.0004).
CONCLUSIONS: The findings of our studies suggest that the CCR5-Δ32 polymorphism is associated with type 1 diabetes mellitus and the Δ32 allele increases the risk of celiac disease and autoimmune thyroid disorders in patients with T1D.
Предметные рубрики MeSH
AdolescentAllelesCeliac DiseaseChildDiabetes Mellitus, Type 1FemaleGene DeletionGene FrequencyGenetic Association StudiesGenetic Predisposition to DiseaseGlycated HemoglobinHeterozygoteHospitals, UniversityHumansHyperglycemiaHypoglycemic AgentsInsulinMalePolandPolymorphism, GeneticReceptors, CCR5Thyroiditis, Autoimmune