Cited by 230Adipokines, Inflammation, and Metabolic DiseasesLiver physiology and pathologyCytokine Signaling Pathways and Interactions

Interleukin-6 signaling in liver-parenchymal cells suppresses hepatic inflammation and improves systemic insulin action

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Wunderlich, F. Thomas, Ströhle, Peter, Könner, A. Christine, Gruber, Sabine, Tovar, Sulay, Brönneke, Hella S., Juntti-Berggren, Lisa, Li, Luo-Sheng +4 more·2010·Cell Metabolism

Abstract

The contribution of interleukin (IL)-6 signaling in obesity-induced inflammation remains controversial. To specifically define the role of hepatic IL-6 signaling in insulin action and resistance, we have generated mice with hepatocyte-specific IL-6 receptor (IL-6R) alpha deficiency (IL-6Ralpha(L-KO) mice). These animals showed no alterations in body weight and fat content but exhibited a reduction in insulin sensitivity and glucose tolerance. Impaired glucose metabolism originated from attenuated insulin-stimulated glucose transport in skeletal muscle and fat. Surprisingly, hepatic IL-6Ralpha-disruption caused an exaggerated inflammatory response during euglycemic hyperinsulinemic clamp analysis, as revealed by increased expression of IL-6, TNF-alpha, and IL-10, as well as enhanced activation of inflammatory signaling such as phosphorylation of IkappaBalpha. Neutralization of TNF-alpha or ablation of Kupffer cells restored glucose tolerance in IL-6Ralpha(L-KO) mice. Thus, our results reveal an unexpected role for hepatic IL-6 signaling to limit hepatic inflammation and to protect from local and systemic insulin resistance.

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Crossref · 10.1016/j.cmet.2010.06.011

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  • Il6raf/fΔAlb animals lacking hepatic IL6 signaling were significantly more sensitive to endotoxemia regardless of stress-priming.

    “Here, regardless of stress-priming, animals lacking hepatic IL6 signaling were significantly more sensitive to endotoxemia, suggesting that the hepatic acute phase response was a required adaptation to endotoxemia (Figure S5B), consistent with previous reports (Castell et al., 1989; Wunderlich et al., 2010).”

    From Origin and function of stress-induced IL-6 in murine models (2020) · cites this paper as Wunderlich et al., 2010

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Authors
Wunderlich, F. T., Ströhle, P., Könner, A. C., Gruber, S., Tovar, S., Brönneke, H. S., Juntti-Berggren, L., Li, L.-S., van Rooijen, N., Libert, C., Berggren, P.-O., & Brüning, J. C.
Affiliations
  • University of Cologne (DE)
  • Cologne Excellence Cluster on Cellular Stress Responses in Aging Associated Diseases (DE)
  • Karolinska Institutet (SE)
  • Vlaams Instituut voor Biotechnologie (BE)
Corresponding author
Brüning, Jens C.
Venue
Cell Metabolism
Publisher
Elsevier BV
Published
2010-09
Volume
12
Issue
3
Pages
237-249
ISSN
1550-4131 (ISSN-L)
OpenAlex
W2090699565
Cited by
229
References
48
Citations by year
2026: 8 · 2025: 10 · 2024: 11 · 2023: 12 · 2022: 12 · 2021: 13 · 2020: 15 · 2019: 17 · 2018: 22 · 2017: 21 · 2016: 12 · 2015: 15 · 2014: 14 · 2013: 12 · 2012: 18
FWCI
10.86
Type
journal article
Language
en
Open access
Locations
  • Cell Metabolism (publishedVersion)
  • PubMed (publishedVersion)
  • Kölner Universitäts PublikationsServer (Universität zu Köln) (publishedVersion)
  • Pure Amsterdam UMC (publishedVersion)
  • Amsterdam UMC (VU Amsterdam) - Institutional Repository (publishedVersion)
  • Ghent University Academic Bibliography (Ghent University) (submittedVersion)
  • Digital Academic REpository of VU University Amsterdam (Vrije Universiteit Amsterdam) (submittedVersion)
  • Data Archiving and Networked Services (DANS) (submittedVersion)
Funders
  • Deutsche Forschungsgemeinschaft (1492-7-1, SFB 635, SFB 832)
  • Novartis Foundation
Topics
  • Health Sciences › Medicine › Epidemiology › Adipokines, Inflammation, and Metabolic Diseases
  • Health Sciences › Medicine › Hepatology › Liver physiology and pathology
  • Health Sciences › Medicine › Oncology › Cytokine Signaling Pathways and Interactions
Keywords
IL-6 signaling, IL-6 receptor alpha, hepatocytes, liver inflammation, insulin resistance, insulin sensitivity, glucose tolerance, TNF-α, Kupffer cells, obesity-associated inflammation, insulin-stimulated glucose transport, NF-κB signaling, skeletal muscle, adipose tissue
MeSH terms
Animals, Energy Metabolism, Glucose, Glycogen, Homeostasis, Humans, Inflammation, Insulin, Insulin Resistance, Kupffer Cells, Liver, Tumor Necrosis Factor-alpha, Signal Transduction, Interleukin-6, Interleukin-10, Mice, Knockout, Receptors, Interleukin-6, Adiposity, Mice

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