Cited by 1,077Liver Disease Diagnosis and TreatmentDiet, Metabolism, and DiseaseAlcohol Consumption and Health Effects

Hepatic lipotoxicity and the pathogenesis of nonalcoholic steatohepatitis: The central role of nontriglyceride fatty acid metabolites†

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Neuschwander‐Tetri, Brent A.·2010·Hepatology

Abstract

A significant body of evidence now forces us to rethink the causes of NASH. Once thought to be a disease caused by triglyceride accumulation in hepatocytes with subsequent oxidant stress and lipid peroxidation causing inflammation and fibrosis, new data from animal studies and a limited number of human studies now provide convincing evidence that triglyceride accumulation does not cause insulin resistance or cellular injury in the liver. The lipotoxic liver injury hypothesis for the pathogenesis of NASH suggests that we need to focus our therapeutic efforts on reducing the burden of fatty acids going to the liver or being synthesized in the liver. This can be accomplished by improving insulin sensitivity at the level of adipose tissue to prevent inappropriate peripheral lipolysis and by preventing unnecessary de novo lipogenesis in the liver. Excess carbohydrates are the major substrates for de novo lipogenesis, and thus, reducing carbohydrate consumption through dietary changes and increasing muscle glucose uptake through exercise remain important cornerstones of treatment and prevention of lipotoxic liver injury, a disease hitherto called NASH.

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Crossref · 10.1002/hep.23719

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  • NASH may be grossly viewed as an influx problem due to increased fatty acid load with consecutive lipotoxicity.

    “NASH may therefore be grossly viewed as an influx problem due to increased fatty acid load with consecutive lipotoxicity,11 12”
  • Fatty acid-induced lipotoxicity results in cellular stress of hepatocytes, cholangiocytes and HSCs.

    “Fatty acid (FA)-induced lipotoxicity results in cellular stress of hepatocytes,11 but also cholangiocytes25 and HSCs.26”

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Authors
Neuschwander‐Tetri, B. A.
Affiliations
Saint Louis University (US)
Corresponding author
Neuschwander‐Tetri, Brent A.
Venue
Hepatology
Published
2010-08
Volume
52
Issue
2
Pages
774-788
ISSN
0270-9139 (ISSN-L)
OpenAlex
W2107943478
Cited by
1,077
References
196
Citations by year
2026: 29 · 2025: 61 · 2024: 66 · 2023: 78 · 2022: 75 · 2021: 86 · 2020: 106 · 2019: 72 · 2018: 66 · 2017: 72 · 2016: 77 · 2015: 60 · 2014: 64 · 2013: 52 · 2012: 47
FWCI
5.87
Type
journal article
Language
en
Open access
Locations
  • Hepatology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Epidemiology › Liver Disease Diagnosis and Treatment
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diet, Metabolism, and Disease
  • Health Sciences › Medicine › Pathology and Forensic Medicine › Alcohol Consumption and Health Effects
Keywords
nonalcoholic steatohepatitis, hepatic lipotoxicity, NASH pathogenesis, triglyceride accumulation, insulin resistance, de novo lipogenesis, adipose tissue insulin sensitivity, lipolysis, carbohydrate intake, physical activity, muscle glucose uptake
MeSH terms
Fatty Acids, Fatty Liver, Humans, Insulin Resistance, Liver, Causality, Oxidative Stress, Lipid Metabolism

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