Cited by 36Wnt/β-catenin signaling in development and cancerHepatocellular Carcinoma Treatment and PrognosisLiver physiology and pathology

β‐catenin deficiency in hepatocytes aggravates hepatocarcinogenesis driven by oncogenic β‐catenin and MET

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Liang, Yan, Feng, Yun, Zong, Min, Wei, Xu‐Fu, Lee, Jin, Feng, Yukuan, Li, Hairi, Yang, Guang‐Shun +3 more·2018·Hepatology

Abstract

Both activating and inactivating mutations in catenin β1 (ctnnb1), which encodes β‐catenin, have been implicated in liver tumorigenesis in humans and mice, although the underlying mechanisms are not fully understood. Herein, we show that deletion of endogenous β‐catenin in hepatocytes aggravated hepatocellular carcinoma (HCC) development driven by an oncogenic version of β‐catenin (CAT) in combination with the hepatocyte growth factor receptor MET proto‐oncogene receptor tyrosine kinase (MET). Although the mitogenic signaling and cell cycle progression was modestly impaired after CAT/MET transfection, the β‐catenin‐deficient livers displayed changes in transcriptomes, increased DNA damage response, expanded Sox9+ cells, and up‐regulation of protumorigenic cytokines, including interleukin‐6 and transforming growth factor β1. These events eventually exacerbated CAT/MET‐driven hepatocarcinogenesis in β‐catenin‐deficient livers, featured by up‐regulation of extracellular signal‐regulated kinase (Erk), protein kinase B (Akt), and Wnt/β‐catenin signaling and cyclin D1 expression. The resultant mouse tumors showed similar transcriptomes to human HCC samples with concomitant CTNNB1 mutations and MET overexpression. Conclusion: These data argue that while dominantly activating mutants of β‐catenin are oncogenic, inhibiting the oncogenic signaling pathway generates a pro‐oncogenic microenvironment that may facilitate HCC recurrence following a targeted therapy of the primary tumor. An effective therapeutic strategy must require disruption of the oncogenic signaling in tumor cells and suppression of the secondary tumor‐promoting stromal effects in the liver microenvironment. (H epatology 2018;67:1807‐1822)

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  • Elevated conjugated bile acids were also observed in other mouse liver cancer models, including hydrodynamic tail vein injection of Δ90-β-catenin plus hMET and DEN plus high-fat diet.

    “Similarly, elevated conjugated BAs were observed in other mouse models of liver cancer such as hydrodynamic tail vein injection of constitutively active β-catenin (Δ90-β-catenin) plus human hepatocyte growth factor receptor (hMET) (17) and diethylnitrosamine (DEN) plus high-fat diet (HFD) (fig. S2C) (18).”

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  1. [20]Wickham H ggplot2: Elegant Graphics for Data Analysis: Springer-Verlag New York 2009

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Authors
Liang, Y., Feng, Y., Zong, M., Wei, X., Lee, J., Feng, Y., Li, H., Yang, G., Wu, Z., Fu, X., & Feng, G.
Affiliations
  • University of California San Diego (US)
  • Second Military Medical University (CN)
  • Department of Pathology and Division of Biological Sciences, Moores Cancer Center,University of California San Diego,La Jolla,CA
  • Department of Hepatology, First Affiliated Hospital,Chong‐Qing Medical University,Chong‐Qing,China
Corresponding author
Feng, Gen‐Sheng
Venue
Hepatology
Published
2018-04-06
Volume
67
Issue
5
Pages
1807-1822
ISSN
  • 0270-9139 (ISSN-L)
  • 1527-3350
OpenAlex
W2769590730
Cited by
36
References
42
Citations by year
2025: 3 · 2024: 4 · 2023: 1 · 2022: 7 · 2021: 5 · 2020: 8 · 2019: 3 · 2018: 5
FWCI
1.79
Type
journal article
Language
en
Open access
Locations
  • Hepatology (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • eScholarship (California Digital Library) (submittedVersion)
Funders
  • National Institutes of Health
  • University of California, San Diego
  • National Cancer Institute (R01CA176012, R01CA188506)
  • National Institute of General Medical Sciences (R01GM052872)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Wnt/β-catenin signaling in development and cancer
  • Health Sciences › Medicine › Hepatology › Hepatocellular Carcinoma Treatment and Prognosis
  • Health Sciences › Medicine › Hepatology › Liver physiology and pathology
Keywords
β-catenin, hepatocellular carcinoma, hepatocarcinogenesis, MET, tumor microenvironment, DNA damage response, SOX9, interleukin-6, TGF-β1, ERK signaling, Akt signaling, Wnt/β-catenin signaling, cyclin D1, tumor recurrence, targeted therapy resistance, liver transcriptome
MeSH terms
Proto-Oncogene Mas, Animals, Carcinoma, Hepatocellular, Humans, Liver, Liver Neoplasms, Oncogenes, Signal Transduction, Gene Expression Regulation, Neoplastic, Proto-Oncogene Proteins c-met, Gene Expression Profiling, Hepatocytes, beta Catenin, Mice, Carcinogenesis

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