Cited by 745Liver Disease Diagnosis and TreatmentDiet, Metabolism, and DiseaseDiabetes, Cardiovascular Risks, and Lipoproteins

Nonalcoholic fatty liver disease as a nexus of metabolic and hepatic diseases

Open access
Samuel, Varman T., Shulman, Gerald I.·2018·Cell Metabolism

Abstract

NAFLD is closely linked with hepatic insulin resistance. Accumulation of hepatic diacylglycerol activates PKC-ε, impairing insulin receptor activation and insulin-stimulated glycogen synthesis. Peripheral insulin resistance indirectly influences hepatic glucose and lipid metabolism by increasing flux of substrates that promote lipogenesis (glucose and fatty acids) and gluconeogenesis (glycerol and fatty acid-derived acetyl-CoA, an allosteric activator of pyruvate carboxylase). Weight loss with diet or bariatric surgery effectively treats NAFLD, but drugs specifically approved for NAFLD are not available. Some new pharmacological strategies act broadly to alter energy balance or influence pathways that contribute to NAFLD (e.g., agonists for PPAR γ, PPAR α/δ, FXR and analogs for FGF-21, and GLP-1). Others specifically inhibit key enzymes involved in lipid synthesis (e.g., mitochondrial pyruvate carrier, acetyl-CoA carboxylase, stearoyl-CoA desaturase, and monoacyl- and diacyl-glycerol transferases). Finally, a novel class of liver-targeted mitochondrial uncoupling agents increases hepatocellular energy expenditure, reversing the metabolic and hepatic complications of NAFLD.

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Crossref · 10.1016/j.cmet.2017.08.002

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  • In concurrent diabetes and insulin resistance, oxidative stress in other tissues due to hyperglycaemia may compound lipotoxicity in the liver.

    “For instance, in cases of concurrent diabetes and insulin resistance, oxidative stress in other tissues due to hyperglycaemia may compound lipotoxicity in the liver.34”

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Authors
Samuel, V. T., & Shulman, G. I.
Affiliations
  • United States Department of Veterans Affairs (US)
  • Howard Hughes Medical Institute (US)
Corresponding author
  • Samuel, Varman T.
  • Shulman, Gerald I.
Venue
Cell Metabolism
Publisher
Elsevier BV
Published
2018-01
Volume
27
Issue
1
Pages
22-41
ISSN
1550-4131 (ISSN-L)
OpenAlex
W2752428556
Cited by
745
References
263
Citations by year
2026: 72 · 2025: 84 · 2024: 90 · 2023: 109 · 2022: 88 · 2021: 91 · 2020: 81 · 2019: 71 · 2018: 50 · 2017: 8
FWCI
7.61
Type
journal article
Language
en
Open access
Locations
  • Cell Metabolism (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • Celgene
  • Novo Nordisk
  • National Institutes of Health (DK-40936, DK-45735, DK-R01 DK 11398401)
  • AstraZeneca
  • Gilead Sciences
  • Merck
Topics
  • Health Sciences › Medicine › Epidemiology › Liver Disease Diagnosis and Treatment
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diet, Metabolism, and Disease
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes, Cardiovascular Risks, and Lipoproteins
Keywords
non-alcoholic fatty liver disease, hepatic insulin resistance, diacylglycerol, protein kinase C epsilon, insulin receptor, glycogen synthesis, lipogenesis, gluconeogenesis, pyruvate carboxylase, bariatric surgery, weight loss, PPAR agonists, farnesoid X receptor, FGF21, glucagon-like peptide-1, acetyl-CoA carboxylase, stearoyl-CoA desaturase, mitochondrial uncoupling, therapeutic target
MeSH terms
Animals, Glucose, Humans, Insulin, Insulin Resistance, Metabolic Diseases, Lipid Metabolism, Non-alcoholic Fatty Liver Disease

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