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  • Title: Study on the DNA repair gene XRCC1 and XRCC3 polymorphism in prediction and prognosis of hepatocellular carcinoma risk.
    Author: Han X, Xing Q, Li Y, Sun J, Ji H, Huazheng P, Jun L.
    Journal: Hepatogastroenterology; 2012 Oct; 59(119):2285-9. PubMed ID: 22456434.
    Abstract:
    BACKGROUND/AIMS: We conducted a case-control study in China to clarify the association between XRCC1-Arg-399Gin polymorphism and HCC risk. METHODOLOGY: A total of 150 cases and 158 controls were selected from May 2008 to May 2010. XRCC1-Arg399Gin and XRCC3-Thr241Met polymorphisms were based upon duplex polymerase-chain-reaction with the confronting-two-pair primer (PCR-CTPP) method. All analysis was performed by using the STATA statistical package. RESULTS: A significant increased risk of HCC was associated with XRCC1 399Arg/Gin, and a heavy risk of HCC was also found in individuals with XRCC3 241Met/Met genotypes. A significant association was found between positive HBsAg and Arg/Gin. XRCC3 Thr/Met genotypes had a significant positive association with HBsAg (+) and a heavy risk of HCC was found in HBsAg (+) individuals with XRCC3 Met/Met genotype. Individuals carrying XRCC1 Gin/Gin genotypes showed significantly lower median survival than XRCC1 Arg/ Arg genotypes and significant hazard ratio (HR=l.38, 95% CI=l.04-1.84) was found. Meanwhile, we found a moderate HR for XRCC3 Thr/Met (HR=l.96, 95% CI=l.23-3.15) and a heavy HR for XRCC3 Met/Met (HR=2.98, 95% CI=1.77-7.54). CONCLUSIONS: In conclusion, we observed that XRCC1-Arg399Gln and XRCC3-Thr241Met polymorphism is associated with susceptibility to HCC and XRCC1 Gin allele and XRCC3 Met allele genotype showed significant poor prognosis of HCC.
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