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The CBLB gene and Graves' disease in children
Chia-Ching Chen1, Chi-Yu Huang, Fu-Yuan Huang
1Department of Pediatrics, Chiayi Christian Hospital, Chiayi, Taiwan.
Abstract:
The CBLB gene functions as a negative regulator of autoimmunity. Impairment of the Cbl-b signaling pathway may contribute to human autoimmune disease. dbSNP rs2305035 is a C/T polymorphism located in exon 10 of the CBLB gene. We report an association study of this polymorphism in children with Graves' disease. The patients were 158 unrelated children (125 girls) with Graves' disease, aged 9.8 +/- 3.3 years. The controls consisted of 237 adults without a history of autoimmune disease. The C allele and phenotype frequencies of patients and controls were 247 (78.2%) vs 356 (75.1%) (OR = 1.19, p >0.05) and 151 (95.6%) vs 221 (93.2%) (OR = 1.56, p >0.05), respectively. The allelic polymorphism in patients and controls with and without DRB1*09012 were also not significantly different. This study demonstrates that the C/T polymorphism in exon 10 of the CBLB gene is not associated with Graves' disease in children.
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