Abstract
This study aimed to assess whether an insertion/deletion polymorphic variation rs28362491 in the NFKB1 promoter region was related to the risk of papillary thyroid carcinoma (PTC). Genomic DNA was extracted from the peripheral venous blood of 352 patients with PTC and 459 controls. The NFKB1 rs28362491 polymorphism was genotyped by using a polymerase chain reaction assay. We found that the frequency of the heterozygous genotype ATTG1/ATTG2 was significantly higher in the cases compared to the controls (odds ratios [OR]=1.44, 95% confidence intervals [CI]=1.05-1.96, p=0.02). Moreover, the frequency of ATTG1/ATTG2+ATTG1/ATTG1 genotypes was significantly elevated in the cases compared to the controls (OR=1.38, 95% CI=1.03-1.85, p=0.03). These findings suggest that the -94 insertion/deletion ATTG polymorphism in the NFKB1 promoter might be associated with an increased risk of PTC.
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