• J. Korean Med. Sci. · Aug 2011

    XRCC1 polymorphisms and risk of papillary thyroid carcinoma in a Korean sample.

    • Ri A Ryu, Kyung Tae, Hyun Jung Min, Jin Hyeok Jeong, Seok Hyun Cho, Seung Hwan Lee, and You Hern Ahn.
    • Department of Otolaryngology-Head and Neck Surgery, Hanyang University School of Medicine, Seoul, Korea.
    • J. Korean Med. Sci. 2011 Aug 1; 26 (8): 991995991-5.

    AbstractPolymorphisms of DNA repair genes, X-ray repair cross-complementing group 1 (XRCC1) might contribute to individual susceptibility to different types of cancers. We analyzed the relationship between XRCC1 polymorphisms and the risk of papillary thyroid carcinoma in a Korean sample. A hospital-based case-control study was performed in 111 papillary thyroid carcinoma patients and 100 normal control subjects. XRCC1 Arg194Trp and Arg399Gln single nucleotide polymorphisms (SNPs) were genotyped by polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP). The XRCC1 Arg194Trp Arg/Trp genotype was significantly associated with a decreased risk of papillary thyroid carcinoma compared to that of Arg/Arg genotype (odds ratio [95% confidence intervals]; 0.550 [0.308-0.983]). There was no significant association between XRCC1 Arg399Gln genotypes and risk of papillary thyroid carcinoma. Based on these results, the XRCC1 Arg194Trp Arg/Trp genotype could be used as a useful molecular biomarker to predict genetic susceptibility for papillary thyroid carcinoma in Koreans.

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