Cited by 88Liver Disease Diagnosis and TreatmentAdvanced Glycation End Products researchLiver physiology and pathology

Dietary glycotoxins exacerbate progression of experimental fatty liver disease

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Leung, Christopher, Herath, Chandana B., Jia, Zhiyuan, Goodwin, Michelle, Mak, Kai Yan, Watt, Matthew J., Forbes, Josephine M., Angus, Peter W.·2014·Journal of Hepatology

Abstract

Background & aims Advanced glycation end-products (AGEs) levels are high in western diets and contribute to tissue injury via activation of RAGE (receptor for AGEs) and generation of reactive oxygen species (ROS). Here, we determined if high dietary AGE intake worsens progression of non-alcoholic fatty liver disease (NAFLD).Methods Male Sprague Dawley rats were fed a methionine choline deficient (MCD) diet for 6 weeks before 6 weeks of a high AGE MCD diet through baking. They were compared with animals on MCD diet or a methionine choline replete (MCR) diet alone for 12 weeks. Hepatic ROS, triglycerides, biochemistry, picro-sirius morphometry, hepatic mRNA expression and immunohistochemistry were determined. Primary hepatic stellate cells (HSCs) from both MCR and MCD animals were exposed to AGEs. ROS, proliferation and mRNA expression were determined.Results The high AGE MCD diet increased hepatic AGE content and elevated triglycerides, NADPH dependent superoxide production, HNE adducts, steatosis, steatohepatitis (CD43, IL-6, TNF-α) and fibrosis (α-SMA, CTGF, COL1A, picrosirius) compared to MCD alone. In HSCs, AGEs significantly increased ROS production, bromodeoxyuridine proliferation and MCP-1, IL-6, α-SMA, and RAGE expression in HSCs from MCD but not MCR animals. These effects were abrogated by RAGE or NADPH oxidase blockade.Conclusions In the MCD model of NAFLD, high dietary AGEs increases hepatic AGE content and exacerbates liver injury, inflammation, and liver fibrosis via oxidative stress and RAGE dependent profibrotic effects of AGEs on activated HSCs. This suggests that pharmacological and dietary strategies targeting the AGE/RAGE pathway could slow the progression of NAFLD.

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Crossref · 10.1016/j.jhep.2013.11.033

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  • Endogenous and exogenous AGEs provoke the initiation and progression of NAFLD, and dietary AGEs from fructose- or sucrose-enriched diets and/or soft drinks can worsen liver fibrosis faster than endogenous AGEs.

    “Endogenous and exogenous AGEs provoke the initiation and progression of NAFLD.”
  • Aggregation of AGEs decreases GSH, SIRT1, and TIMP3 and increases oxidative stress and inflammation, promoting inflammatory liver injury and fibrosis in experimental animal models and NAFLD patients.

    “The aggregation of AGEs decreases the levels of the most important cellular antioxidant peptides, glutathione (GSH), SIRT1, and tissue inhibitor of metalloproteinase 3 (TIMP3), accompanied by increased oxidative stress and inflammation, promoting inflammatory liver injury and fibrosis in experimental animal models and NAFLD patients55–57,124–126.”

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  1. Sourris KC, Harcourt BE, Penfold SA, Yap FYT, Morley AL, Morgan PE, et al. Modulation of the Cellular Expression of Circulating Advanced Glycation End-Product Receptors in Type 2 Diabetic Nephropathy. AGE 2010;4:11.
  2. Goodwin M, Herath C, Jia Z, Leung C, Coughlan M, Forbes J, et al. Advanced glycation endproducts augment experimental hepatic fibrosis. Journal of gastroenterology and hepatology 2012.
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  5. Goldberg T, Cai W, Peppa M, Dardaine V, Baliga BS, Uribarri J, et al. Advanced glycoxidation end products in commonly consumed foods. J Am Diet Assoc 2004;104:1287-1291.
  6. Leung, C., Herath, C. B., Jia, Z., Goodwin, M., Mak, K. Y., Watt, M. J., Forbes, J. M. & Angus, P. W. (2014). Dietary glycotoxins exacerbate progression of experimental fatty liver disease. JOURNAL OF HEPATOLOGY, 60 (4), pp.832-838. https://doi.org/10.1016/j.jhep.2013.11.033. Persistent Link: http://hdl.handle.net/11343/43831

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Authors
Leung, C., Herath, C. B., Jia, Z., Goodwin, M., Mak, K. Y., Watt, M. J., Forbes, J. M., & Angus, P. W.
Affiliations
  • Baker Heart and Diabetes Institute (AU)
  • The University of Melbourne (AU)
  • Monash University (AU)
Corresponding author
Leung, Christopher
Venue
Journal of Hepatology
Publisher
Elsevier BV
Published
2014-04
Volume
60
Issue
4
Pages
832-838
ISSN
0168-8278 (ISSN-L)
OpenAlex
W2167403850
Cited by
88
References
37
Citations by year
2025: 6 · 2024: 7 · 2023: 7 · 2022: 8 · 2021: 8 · 2020: 7 · 2019: 7 · 2018: 5 · 2017: 9 · 2016: 5 · 2015: 11 · 2014: 8
FWCI
5.81
Type
journal article
Language
en
Open access
Locations
  • Journal of Hepatology (publishedVersion)
  • PubMed (publishedVersion)
  • Minerva Access (University of Melbourne) (submittedVersion)
Funders
  • Medical Research Council
  • National Health and Medical Research Council
Topics
  • Health Sciences › Medicine › Epidemiology › Liver Disease Diagnosis and Treatment
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Clinical Biochemistry › Advanced Glycation End Products research
  • Health Sciences › Medicine › Hepatology › Liver physiology and pathology
Keywords
advanced glycation end products, non-alcoholic fatty liver disease, RAGE, hepatic stellate cells, liver fibrosis, oxidative stress, reactive oxygen species, methionine-choline-deficient diet, steatohepatitis, inflammation, NADPH oxidase, dietary AGE intake
MeSH terms
Animals, Choline Deficiency, Diet, Insulin Resistance, Liver, Male, Methionine, Gene Expression, Glycation End Products, Advanced, Rats, Sprague-Dawley, Oxidative Stress, Disease Progression, Cell Proliferation, Rats, Hepatic Stellate Cells, Non-alcoholic Fatty Liver Disease

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