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  • Title: [Genetic epidemiological study on single nucleotide polymorphisms associated with hepatocellular carcinoma in patients with chronic HBV infection].
    Author: Kim YJ, Lee HS.
    Journal: Korean J Hepatol; 2009 Mar; 15(1):7-14. PubMed ID: 19346781.
    Abstract:
    Hepatocellular carcinoma (HCC) is associated with hepatitis B virus (HBV) as an etiologic agent in 80% of cases, and is the major cause of death among HBV carriers. Family history of HCC is a known risk factor for the development of HCC among chronically HBV infected patients; therefore, genetic factors are likely to modify the risk of HCC. However, the genetic factors that determine progression to HCC remain mostly to be recovered. It is estimated that there are millions of single nucleotide polymorphisms (SNPs) within human genome and they are likely to explain much of the genetic diversity of individuals. In this review, the natural history of HBV infection and host genetic factors related to HCC, study design and target gene selection for the detection of SNPs related to the occurrence of HCC were discussed. Also, several SNPs or haplotypes, which were reportedly associated with increased or reduced risk of HCC occurrence in patients with chronic HBV infection, were reviewed. Especially, recent studies in Korea, one of the HBV endemic areas, were discussed. Screening of these polymorphisms might be useful in clinical practice to stratify the lower or higher risk group for HCC and might modify the design of HCC surveillance programs in patients with chronic HBV infection, if further genetic susceptibilities are identified. The ongoing studies of the distributions and functions of the implicated allele polymorphisms will not only provide insight into the pathogenesis of HCC, but may also provide a novel rationale for new methods of diagnosis and therapeutic strategies.
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