C4BQ0: A genetic marker of familial HCV-related liver cirrhosis

L. Pasta, G. Pietrosi, C. Marrone, G. D'Amico, M. D'Amico, A. Licata, G. Misiano, S. Madonia, F. Mercadante, L. Pagliaro

Research output: Contribution to journalArticlepeer-review

Abstract

Background and methods. Host may have a role in the evolution of chronic HCV liver disease. We performed two cross-sectional prospective studies to evaluate the prevalence of cirrhosis in first degree relatives of patients with cirrhosis and the role of two major histocompatibility complex class III alleles BF and C4 versus HCV as risk factors for familial clustering. Findings. Ninety-three (18.6%) of 500 patients with cirrhosis had at least one cirrhotic first degree relative as compared to 13 (2.6%) of 500 controls, (OR 7.38; CI 4.21-12.9). C4BQO was significantly more frequent in the 93 cirrhotic patients than in 93 cirrhotic controls without familiarity (Hardy-Weinberg equilibrium: χ2 5.76, P = 0.016) and in 20 families with versus 20 without aggregation of HCV related cirrhosis (29.2% versus 11.3%, P = 0.001); the association C4BQO-HCV was found almost only in cirrhotic patients with a family history of liver cirrhosis. Conclusions. Our studies support the value of C4BQO as a risk indicator of familial HCV related cirrhosis.

Original languageEnglish
Pages (from-to)471-477
Number of pages7
JournalDigestive and Liver Disease
Volume36
Issue number7
DOIs
Publication statusPublished - Jul 2004

Keywords

  • C4BQ0
  • familial clustering
  • HCV diffusion
  • Liver cirrhosis
  • MHC class III alleles

ASJC Scopus subject areas

  • Gastroenterology

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