Cited by 298Liver physiology and pathologyDrug-Induced Hepatotoxicity and ProtectionLiver Disease Diagnosis and Treatment

Increased toxin-induced liver injury and fibrosis in interleukin-6-deficient mice

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Kovalovich, Kellen, DeAngelis, Robert A., Li, Wei, Furth, Emma E., Ciliberto, Gennaro, Taub, Rebecca·2000·Hepatology

Abstract

Interleukin-6 null (IL-6−/−) mice have impaired liver regeneration and increased liver necrosis following partial hepatectomy that is corrected with IL-6 treatment. Following acute carbon tetrachloride (CCl 4) treatment, we found that IL-6−/− mice developed increased hepatocellular injury and defective regeneration with significant blunting of signal transducer-and-activator of transcription protein 3 (STAT3) and nuclear factor-κB (NF-κB) activation and reduced hepatocyte DNA synthetic and mitotic responses. After CCl 4 treatment, unlike partial hepatectomy, increased hepatocyte apoptosis was noted in IL-6−/− livers. Pretreatment with IL-6 before CCl 4 reduced acute CCl 4 injury and apoptosis and accelerated regeneration in both IL-6+/+ and −/− livers. Repetitive doses of CCl 4 in the presence or absence of phenobarbital resulted in increased injury and fibrosis in IL-6 −/− compared with +/+ livers. After acute and chronic injury, IL-6−/− livers showed the protracted presence of α-smooth muscle actin associated with activated stellate cells, indicating a disturbed response in wound healing that progressed to fibrosis. These data provide evidence for an important role for IL-6 in reducing CCl 4-induced acute and chronic liver injury and fibrosis.

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Research works printed but not linked: 2

  1. Cressman DE, Greenbaum LE, Haber BA, Taub R. Rapid activation of posthepatectomy factor/nuclearfactor-kB in hepatocytes, a primary re- sponse in the regenerating liver. J Biol Chem 1994;269:30429-30435.
  2. Cohen JJ. Apoptosis. Immunol Today 1993;14:126-130.

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Authors
Kovalovich, K., DeAngelis, R. A., Li, W., Furth, E. E., Ciliberto, G., & Taub, R.
Affiliations
University of Pennsylvania (US)
Corresponding author
Taub, Rebecca
Venue
Hepatology
Published
2000-01
Volume
31
Issue
1
Pages
149-159
ISSN
0270-9139 (ISSN-L)
OpenAlex
W2009008191
Cited by
298
References
56
Citations by year
2025: 3 · 2024: 3 · 2023: 11 · 2022: 8 · 2021: 6 · 2020: 5 · 2019: 4 · 2018: 8 · 2017: 13 · 2016: 13 · 2015: 9 · 2014: 11 · 2013: 11 · 2012: 12
FWCI
17.19
Type
journal article
Language
en
Open access
Locations
  • Hepatology (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health (1k08dk002667-01, 5r01dk049629-05)
  • National Institute of Diabetes and Digestive and Kidney Diseases (F32DK009732, DK-49629, 1 K08 DK 02667-01, 1 F32 DK09732-01)
Topics
  • Health Sciences › Medicine › Hepatology › Liver physiology and pathology
  • Life Sciences › Pharmacology, Toxicology and Pharmaceutics › Pharmacology › Drug-Induced Hepatotoxicity and Protection
  • Health Sciences › Medicine › Epidemiology › Liver Disease Diagnosis and Treatment
Keywords
interleukin-6, liver injury, liver fibrosis, carbon tetrachloride, hepatocyte apoptosis, liver regeneration, STAT3, NF-κB, hepatic stellate cells, alpha-smooth muscle actin, phenobarbital, hepatocyte DNA synthesis, wound healing
MeSH terms
Actins, Animals, Carbon Tetrachloride, DNA, DNA-Binding Proteins, Kinetics, Liver Cirrhosis, Experimental, Mice, Inbred C57BL, Mitosis, Phenobarbital, Trans-Activators, Interleukin-6, NF-kappa B, Apoptosis, Mice, Knockout, STAT3 Transcription Factor, Mice, Chemical and Drug Induced Liver Injury

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