Cited by 549Liver Disease Diagnosis and TreatmentHepatocellular Carcinoma Treatment and PrognosisGenetic Associations and Epidemiology

Carriage of the PNPLA3 rs738409 C >G polymorphism confers an increased risk of non-alcoholic fatty liver disease associated hepatocellular carcinoma

Liu, Y.-L., Patman, G.L., Leathart, J.B.S., Piguet, A.-C., Burt, A.D., Dufour, J.-F., Day, C.P., Daly, A.K. +2 more·2014·Journal of Hepatology

Abstract

Background & aims Subtle inter-patient genetic variation and environmental factors combine to determine disease progression in non-alcoholic fatty liver disease (NAFLD). Carriage of the PNPLA3 rs738409 c.444C >G minor allele (encoding the I148M variant) has been robustly associated with advanced NAFLD. Although most hepatocellular carcinoma (HCC) is related to chronic viral hepatitis or alcoholic liver disease, the incidence of NAFLD-related HCC is increasing. We examined whether rs738409 C >G was associated with HCC-risk in patients with NAFLD.Methods PNPLA3 rs738409 genotype was determined by allelic discrimination in 100 European Caucasians with NAFLD-related HCC and 275 controls with histologically characterised NAFLD.Results Genotype frequencies were significantly different between NAFLD-HCC cases (CC=28, CG=43, GG=29) and NAFLD-controls (CC=125, CG=117, GG=33) (p=0.0001). In multivariate analysis adjusted for age, gender, diabetes, BMI, and presence of cirrhosis, carriage of each copy of the rs738409 minor (G) allele conferred an additive risk for HCC (adjusted OR 2.26 [95% CI 1.23-4.14], p=0.0082), with GG homozygotes exhibiting a 5-fold [1.47-17.29], p=0.01 increased risk over CC. When compared to the UK general population (1958 British Birth Cohort, n=1476), the risk-effect was more pronounced (GC vs. CC: unadjusted OR 2.52 [1.55-4.10], p=0.0002; GG vs. CC: OR 12.19 [6.89-21.58], p<0.0001).Conclusions Carriage of the PNPLA3 rs738409 C >G polymorphism is not only associated with greater risk of progressive steatohepatitis and fibrosis but also of HCC. If validated, these findings suggest that PNPLA3 genotyping has the potential to contribute to multi-factorial patient-risk stratification, identifying those to whom HCC surveillance may be targeted.

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  • Overall evidence suggests that PNPLA3 p.I148M and TM6SF2 p.E167K variants are major risk factors for progressive MASLD, and genotyping helps to noninvasively predict progressive MASH, cirrhosis and HCC when considered alongside clinical factors, but accuracy is suboptimal for prediction of liver disease severity and progression at the individual level.

    “Overall evidence suggests that the PNPLA3 p.I148M and TM6SF2 p.E167K variants are major risk factors for progressive MASLD, and genotyping helps to noninvasively predict progressive MASH, cirrhosis and HCC when considered alongside clinical factors, 194 -196 but accuracy is suboptimal for prediction of liver disease severity and progression at the individual level.”

    From EASL-EASD-EASO Clinical Practice Guidelines on the management of metabolic dysfunction-associated steatotic liver disease (MASLD). (2024) · cites this paper as [195]

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  1. [38][38] association studies. Journal of Hepatology 2012;56(2): 448-­-454.

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Authors
Liu, Y.-L., Patman, G. L., Leathart, J. B. S., Piguet, A.-C., Burt, A. D., Dufour, J.-F., Day, C. P., Daly, A. K., Reeves, H. L., & Anstee, Q. M.
Affiliations
  • Newcastle University (GB)
  • University Hospital of Bern (CH)
Corresponding author
Reeves, H.L.
Venue
Journal of Hepatology
Publisher
Elsevier BV
Published
2014-07
Volume
61
Issue
1
Pages
75-81
ISSN
0168-8278 (ISSN-L)
OpenAlex
W2060278601
Cited by
549
References
46
Citations by year
2026: 25 · 2025: 39 · 2024: 49 · 2023: 53 · 2022: 50 · 2021: 63 · 2020: 59 · 2019: 41 · 2018: 34 · 2017: 40 · 2016: 52 · 2015: 36 · 2014: 7
FWCI
34.09
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Hepatology (publishedVersion)
  • PubMed (publishedVersion)
  • Adelaide Research & Scholarship (AR&S) (University of Adelaide) (submittedVersion)
Topics
  • Health Sciences › Medicine › Epidemiology › Liver Disease Diagnosis and Treatment
  • Health Sciences › Medicine › Hepatology › Hepatocellular Carcinoma Treatment and Prognosis
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Associations and Epidemiology
Keywords
PNPLA3 I148M variant, non-alcoholic fatty liver disease, hepatocellular carcinoma, genetic susceptibility, liver fibrosis, steatohepatitis, genetic polymorphism, cancer risk, liver cirrhosis, diabetes mellitus, body mass index, alcohol consumption
MeSH terms
Acyltransferases, Adult, Aged, Female, Gene Frequency, Carcinoma, Hepatocellular, Homozygote, Humans, Lipase, Liver Neoplasms, Male, Membrane Proteins, Middle Aged, Risk Factors, Cohort Studies, Case-Control Studies, Disease Progression, Polymorphism, Single Nucleotide, White People, Phospholipases A2, Calcium-Independent, Genetic Association Studies, Non-alcoholic Fatty Liver Disease

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