Genomic risk of hepatitis C-related hepatocellular carcinoma

Yujin Hoshida, Bryan C. Fuchs, Kenneth K. Tanabe

Research output: Contribution to journalComment/debatepeer-review

16 Scopus citations

Abstract

Genome-wide association study identifies a susceptibility locus for HCV-induced hepatocellular carcinoma. Kumar V, Kato N, Urabe Y, Takahashi A, Muroyama R, Hosono N, Otsuka M, Tateishi R, Omata M, Nakagawa H, Koike K, Kamatani N, Kubo M, Nakamura Y, Matsuda K. Nat Genet. 2011 May;43(5):455-458. Copyright (2011). Abstract reprinted by permission from Macmillan Publishers Ltd. http://www.ncbi.nlm.nih.gov/pubmed/21499248 Abstract: To identify the genetic susceptibility factor(s) for hepatitis C virus-induced hepatocellular carcinoma (HCV-induced HCC), we conducted a genome-wide association study using 432,703 autosomal SNPs in 721 individuals with HCV-induced HCC (cases) and 2890 HCV-negative controls of Japanese origin. Eight SNPs that showed possible association (P <1 × 10(-5)) in the genome-wide association study were further genotyped in 673 cases and 2596 controls. We found a previously unidentified locus in the 5′ flanking region of MICA on 6p21.33 (rs2596542, P(combined) = 4.21 × 10(-13), odds ratio = 1.39) to be strongly associated with HCV-induced HCC. Subsequent analyses using individuals with chronic hepatitis C (CHC) indicated that this SNP is not associated with CHC susceptibility (P = 0.61) but is significantly associated with progression from CHC to HCC (P = 3.13 × 10(-8)). We also found that the risk allele of rs2596542 was associated with lower soluble MICA protein levels in individuals with HCV-induced HCC (P = 1.38 × 10(-13)).

Original languageEnglish (US)
Pages (from-to)729-730
Number of pages2
JournalJournal of Hepatology
Volume56
Issue number3
DOIs
StatePublished - Mar 2012
Externally publishedYes

ASJC Scopus subject areas

  • Hepatology

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