Cited by 76Cytokine Signaling Pathways and InteractionsLiver Disease Diagnosis and TreatmentLiver physiology and pathology

Lack of interleukin-6/glycoprotein 130/signal transducers and activators of transcription-3 signaling in hepatocytes predisposes to liver steatosis and injury in mice

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Kroy, Daniela C., Beraza, Naiara, Tschaharganeh, Darjus F., Sander, Leif E., Erschfeld, Stephanie, Giebeler, Arne, Liedtke, Christian, Wasmuth, Hermann E. +2 more·2010·Hepatology

Abstract

Unlabelled A deregulated cytokine balance is involved in triggering the sequence from steatosis to nonalcoholic steatohepatitis, ultimately leading to liver fibrosis and cancer. To better define the role of proinflammatory interleukin-6 (IL-6)-type cytokines in hepatocytes we investigated the role of IL-6 and its shared receptor, glycoprotein 130 (gp130), in a mouse model of steatohepatitis. IL-6(-/-) mice were fed a choline-deficient, ethionine-supplemented (CDE) diet. Conditional gp130 knockout and knockin mice were used to achieve hepatocyte-specific deletion of gp130 (gp130(Deltahepa)), gp130-dependent rat sarcoma (Ras)-(gp130(DeltahepaRas)), and signal transducers and activators of transcription (STAT)-(gp130(DeltahepaSTAT)) activation. CDE-treated IL-6(-/-) mice showed a significant hepatic steatosis at 2 weeks after feeding. The mice rapidly developed elevated fasting blood glucose, insulin serum levels, and transaminases. To better define IL-6-dependent intracellular pathways, specifically in hepatocytes, we next treated gp130(Deltahepa) mice with a CDE diet. These animals also developed a marked steatosis with hyperglycemia and displayed elevated insulin serum levels. Additionally, gp130(Deltahepa) animals showed an imbalanced inflammatory response with increased hepatic tumor necrosis factor-alpha and decreased adiponectin messenger RNA levels. Dissecting the hepatocyte-specific gp130-dependent pathways revealed a similar disease phenotype in gp130(DeltahepaSTAT) mi…

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Crossref · 10.1002/hep.23322

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Authors
Kroy, D. C., Beraza, N., Tschaharganeh, D. F., Sander, L. E., Erschfeld, S., Giebeler, A., Liedtke, C., Wasmuth, H. E., Trautwein, C., & Streetz, K. L.
Affiliations
  • Universitätsklinikum Aachen (DE)
  • Heidelberg University (DE)
Corresponding author
  • Trautwein, Christian
  • Streetz, Konrad L.
Venue
Hepatology
Published
2010-02
Volume
51
Issue
2
Pages
463-473
ISSN
0270-9139 (ISSN-L)
OpenAlex
W1979640981
Cited by
76
References
23
Citations by year
2025: 2 · 2024: 6 · 2023: 3 · 2022: 2 · 2021: 5 · 2020: 5 · 2019: 4 · 2018: 3 · 2017: 5 · 2016: 10 · 2015: 4 · 2014: 1 · 2013: 4 · 2012: 7
FWCI
3.64
Type
journal article
Language
en
Open access
Locations
  • Hepatology (publishedVersion)
  • PubMed (publishedVersion)
  • RWTH Publications (RWTH Aachen) (submittedVersion)
Topics
  • Health Sciences › Medicine › Oncology › Cytokine Signaling Pathways and Interactions
  • Health Sciences › Medicine › Epidemiology › Liver Disease Diagnosis and Treatment
  • Health Sciences › Medicine › Hepatology › Liver physiology and pathology
Keywords
interleukin-6, gp130, STAT3 signaling, hepatocytes, hepatic steatosis, nonalcoholic steatohepatitis, choline-deficient ethionine diet, liver fibrosis, insulin resistance, hyperglycemia, TNF-α, adiponectin, Jun kinase, acute phase response, cytokine signaling, hepatocyte-specific knockout mice
MeSH terms
Animals, Fatty Liver, Hepatitis, Signal Transduction, Causality, Hepatocytes, Cytokine Receptor gp130, Mice, Activating Transcription Factor 3

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