Cited by 154Liver Disease Diagnosis and TreatmentDiet, Metabolism, and DiseaseLipid metabolism and biosynthesis

Mechanisms of Insulin Resistance in Primary and Secondary Nonalcoholic Fatty Liver

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Jelenik, Tomas, Kaul, Kirti, Séquaris, Gilles, Flögel, Ulrich, Phielix, Esther, Kotzka, Jörg, Knebel, Birgit, Fahlbusch, Pia +8 more·2017·Diabetes

Abstract

Nonalcoholic fatty liver disease is associated with hepatic insulin resistance and may result primarily from increased hepatic de novo lipogenesis (PRIM) or secondarily from adipose tissue lipolysis (SEC). We studied mice with hepatocyte- or adipocyte-specific SREBP-1c overexpression as models of PRIM and SEC. PRIM mice featured increased lipogenic gene expression in the liver and adipose tissue. Their selective, liver-specific insulin resistance was associated with increased C18:1-diacylglycerol content and protein kinase Cε translocation. SEC mice had decreased lipogenesis mediated by hepatic cholesterol responsive element–binding protein and featured portal/lobular inflammation along with total, whole-body insulin resistance. Hepatic mitochondrial respiration transiently increased and declined with aging along with higher muscle reactive oxygen species production. In conclusion, hepatic insulin resistance originates from lipotoxicity but not from lower mitochondrial capacity, which can even transiently adapt to increased peripheral lipolysis. Peripheral insulin resistance is prevented during increased hepatic lipogenesis only if adipose tissue lipid storage capacity is preserved.

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Authors
Jelenik, T., Kaul, K., Séquaris, G., Flögel, U., Phielix, E., Kotzka, J., Knebel, B., Fahlbusch, P., Hörbelt, T., Lehr, S., Reinbeck, A. L., Müller-Wieland, D., Esposito, I., Shulman, G. I., Szendroedi, J., & Roden, M.
Affiliations
  • Institute for Clinical Diabetology, German Diabetes Center, Düsseldorf, Germany
  • Deutsches Diabetes-Zentrum e.V. (DE)
  • Heinrich Heine University Düsseldorf (DE)
  • Department of Internal Medicine I, University Hospital Aachen, Aachen, Germany
  • Institute of Pathology, Heinrich-Heine University Düsseldorf, Düsseldorf, Germany
  • Howard Hughes Medical Institute (US)
Corresponding author
Roden, Michael
Venue
Diabetes
Published
2017-05-10
Volume
66
Issue
8
Pages
2241-2253
ISSN
  • 0012-1797 (ISSN-L)
  • 1939-327X
OpenAlex
W2612023289
Cited by
154
References
58
Citations by year
2026: 8 · 2025: 9 · 2024: 11 · 2023: 18 · 2022: 15 · 2021: 16 · 2020: 28 · 2019: 25 · 2018: 19 · 2017: 5
FWCI
16.50
Type
journal article
Language
en
Open access
Locations
  • Diabetes (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • RWTH Publications (RWTH Aachen) (submittedVersion)
Funders
  • Ministry of Science and Research of the State of North Rhine-Westphalia
  • German Federal Ministry of Health
  • Federal Ministry for Research
  • German Center for Diabetes Research
  • Helmholtz Alliance to Universities
  • German Research Foundation (SFB 1116)
  • German Diabetes Association
  • Schmutzler-Stiftung
  • National Institutes of Health/National Institute of Diabetes and Digestive and Kidney Diseases (R01-DK-40936, U24-DK-059635, P30-DK-45735)
Topics
  • Health Sciences › Medicine › Epidemiology › Liver Disease Diagnosis and Treatment
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diet, Metabolism, and Disease
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biochemistry › Lipid metabolism and biosynthesis
Keywords
insulin resistance, non-alcoholic fatty liver disease, hepatic de novo lipogenesis, adipose tissue lipolysis, SREBP-1c, lipotoxicity, mitochondrial respiration, reactive oxygen species, liver inflammation, aging
MeSH terms
Animals, Diglycerides, Female, Insulin Resistance, Lipolysis, Liver, Mice, Transgenic, Reactive Oxygen Species, Adipocytes, Protein Transport, Hepatocytes, Lipogenesis, Mice, Protein Kinase C-epsilon, Sterol Regulatory Element Binding Protein 1, Non-alcoholic Fatty Liver Disease

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