Cited by 1,346Hepatocellular Carcinoma Treatment and PrognosisLiver physiology and pathologyGut microbiota and health

Promotion of Hepatocellular Carcinoma by the Intestinal Microbiota and TLR4

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Dapito, Dianne H., Mencin, Ali, Gwak, Geum-Youn, Pradere, Jean-Philippe, Jang, Myoung-Kuk, Mederacke, Ingmar, Caviglia, Jorge M., Khiabanian, Hossein +8 more·2012·Cancer Cell

Abstract

Increased translocation of intestinal bacteria is a hallmark of chronic liver disease and contributes to hepatic inflammation and fibrosis. Here we tested the hypothesis that the intestinal microbiota and Toll-like receptors (TLRs) promote hepatocellular carcinoma (HCC), a long-term consequence of chronic liver injury, inflammation, and fibrosis. Hepatocarcinogenesis in chronically injured livers depended on the intestinal microbiota and TLR4 activation in non-bone-marrow-derived resident liver cells. TLR4 and the intestinal microbiota were not required for HCC initiation but for HCC promotion, mediating increased proliferation, expression of the hepatomitogen epiregulin, and prevention of apoptosis. Gut sterilization restricted to late stages of hepatocarcinogenesis reduced HCC, suggesting that the intestinal microbiota and TLR4 represent therapeutic targets for HCC prevention in advanced liver disease.

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Crossref · 10.1016/j.ccr.2012.02.007

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  • HSC mediators besides RSPO3, such as HGF, and possibly neurotrophin-3 or epiregulin, may be involved in additional aspects of HSC-hepatocyte cross-talk and together with ECs collaboratively control hepatocyte health and functions.

    “Moreover, HSC mediators besides RSPO3, such as HGF, but possibly also neurotrophin-319 or epiregulin60 may be involved in additional aspects of HSC–hepatocyte cross-talk and—together with ECs29,59—collaboratively control hepatocyte health and functions.”
  • These pro-inflammatory mediators promote chronic liver disease and create conditions for hepatocellular carcinoma development.

    “These pro-inflammatory mediators not only promote the development of CLD but also set the stage for the development of HCC13–15.”
  • In chronic liver disease, a failing gut barrier and altered gut microbiota drive chronic inflammation and liver disease progression, which raises the risk of hepatocellular carcinoma.

    “However, a failing gut barrier and alterations of the gut microbiota in chronic liver disease (CLD) contribute to chronic inflammation and the progression of liver diseases12, and thereby increase risk for the development of hepatocellular carcinoma (HCC) as the final stage of the disease process 13–15.”
  • The bacterial microbiota promotes hepatocellular carcinoma in the setting of liver fibrosis, as shown by reduced hepatocellular carcinoma formation in TLR4-deficient, germ-free and antibiotic-treated mice in a DEN plus CCl4 model.

    “Nonetheless, the bacterial microbiota has an important role in promoting HCC in the setting of liver fibrosis, as demonstrated by reduced HCC formation in TLR4-deficient, germ-free and antibiotic-treated mice in a diethylnitrosamine (DEN) plus CCl4 model of HCC13.”
  • The endogenous commensal microbiota provides hepatoprotective signals; complete absence of the gut microbiota increases liver injury, probably through lack of TLR4-mediated anti-apoptotic NF-κB signalling, and increases liver fibrosis.

    “It has become apparent that the endogenous commensal microbiota provides hepatoprotective signals and that complete absence of the gut microbiota results in increased liver injury — probably owing to an absence of TLR4-mediated activation of anti-apoptotic NF-κB signalling — and a subsequent increase in liver fibrosis, as demonstrated in several models13,75,76.”

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  1. Toyoda H Komurasaki T Uchida D Takayama Y Isobe T Okuyama T Hanada K Epiregulin. A novel epidermal growth factor with mitogenic activity for rat primary hepatocytes J Biol Chem 1995 270 7495 7500 7706296

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Authors
Dapito, D. H., Mencin, A., Gwak, G.-Y., Pradere, J.-P., Jang, M.-K., Mederacke, I., Caviglia, J. M., Khiabanian, H., Adeyemi, A., Bataller, R., Lefkowitch, J. H., Bower, M., Friedman, R., Sartor, R. B., Rabadan, R., & Schwabe, R. F.
Affiliations
  • Columbia University (US)
  • Samsung Medical Center (KR)
  • Hospital Clínic de Barcelona (ES)
  • University of North Carolina at Chapel Hill (US)
Corresponding author
Schwabe, Robert F.
Venue
Cancer Cell
Publisher
Elsevier BV
Published
2012-04
Volume
21
Issue
4
Pages
504-516
ISSN
1535-6108 (ISSN-L)
OpenAlex
W2085153086
Cited by
1,346
References
50
Citations by year
2026: 63 · 2025: 103 · 2024: 106 · 2023: 111 · 2022: 149 · 2021: 133 · 2020: 129 · 2019: 104 · 2018: 93 · 2017: 94 · 2016: 79 · 2015: 64 · 2014: 48 · 2013: 51 · 2012: 16
FWCI
36.26
Type
journal article
Language
en
Open access
Locations
  • Cancer Cell (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • Carolina Digital Repository (University of North Carolina at Chapel Hill) (submittedVersion, cc-by)
  • UNC Libraries
Funders
National Institutes of Health (1F31 DK091980-01, P40RR018603, R01AA020211, R01DK076920, U54CA163111)
Topics
  • Health Sciences › Medicine › Hepatology › Hepatocellular Carcinoma Treatment and Prognosis
  • Health Sciences › Medicine › Hepatology › Liver physiology and pathology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
Keywords
hepatocellular carcinoma, gut microbiota, TLR4, gut-liver axis, chronic liver injury, hepatocarcinogenesis, bacterial translocation, epiregulin, apoptosis, HCC prevention, liver fibrosis, liver inflammation
MeSH terms
Animals, Epidermal Growth Factor, Humans, Intestines, Liver Diseases, Liver Neoplasms, Experimental, Mice, Inbred C57BL, Tumor Cells, Cultured, Apoptosis, Bacterial Translocation, Cell Proliferation, Toll-Like Receptor 4, Mice, Epiregulin

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