Host genetic factors associated with hepatocellular carcinoma in patients with hepatitis C virus infection: A systematic review
File(s)Walker_et_al-2018-Journal_of_Viral_Hepatitis.pdf (861.53 KB)
Published version
Author(s)
Walker, AJ
Peacock, CJ
Pedergnana, V
Irving, WL
Type
Journal Article
Abstract
Hepatitis C virus (HCV)‐infected patients are at risk of developing hepatocellular carcinoma (HCC). Individuals at heightened risk could be targeted by intensive follow‐up surveillance. We have conducted a systematic review of the literature to identify host genetic predisposition to HCC in HCV‐infected patients. A comprehensive search of Medline and Embase databases was performed, and the strength of evidence of associations for each gene on development of HCC was evaluated. We identified 166 relevant studies, relating to 137 different genes, or combinations thereof. Seventeen genes were classified as having “good” evidence of an association, a significant association was observed for 37 genes but this finding had not yet been replicated, 56 genes had mixed or limited evidence of an association, and 27 genes showed no association. IFNL3/4, TNF‐α and PNPLA3 genes had the most evidence of an association. There was, however, considerable heterogeneity in study design and data quality. In conclusion, we identified a number of genes with evidence of association with HCC, but also a need for more standardized approaches to address this clinically critical question. It is important to consider the underlying mechanism of these relationships and which are confounded by the presence of other HCC risk factors and response to therapy. We also identified many genes where the evidence of association is contradictory or requires replication, as well as a number where associations have been studied but no evidence found. These findings should help to direct future studies on host genetic predisposition to HCC in HCV‐infected patients.
Date Issued
2018-05-01
Date Acceptance
2018-01-02
Citation
Journal of Viral Hepatitis, 2018, 25 (5), pp.442-456
ISSN
1352-0504
Publisher
Wiley
Start Page
442
End Page
456
Journal / Book Title
Journal of Viral Hepatitis
Volume
25
Issue
5
Copyright Statement
© 2018 The Authors. Journal of Viral Hepatitis Published by John Wiley & Sons Ltd.
This is an open access article under the terms of the Creative Commons Attribution‐NonCommercial License (https://creativecommons.org/licenses/by-nc/4.0/), which permits use, distribution and reproduction in any medium, provided the original work is properly cited and is not used for commercial purposes.
This is an open access article under the terms of the Creative Commons Attribution‐NonCommercial License (https://creativecommons.org/licenses/by-nc/4.0/), which permits use, distribution and reproduction in any medium, provided the original work is properly cited and is not used for commercial purposes.
Sponsor
Medical Research Council (MRC)
Grant Number
MR/K01532X/1
Subjects
1103 Clinical Sciences
1108 Medical Microbiology
Gastroenterology & Hepatology
Publication Status
Published
Date Publish Online
2018-02-03