Cited by 129Cell death mechanisms and regulationAlcohol Consumption and Health EffectsLiver physiology and pathology

Ethanol-Induced Apoptosis in Mouse Liver

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Zhou, Zhanxiang, Sun, Xiuhua, Kang, Y. James·2001·The American Journal of Pathology

Abstract

Hepatic apoptosis has been shown to occur in both experimental and clinical alcoholic liver disease, but the signaling pathway remains unknown. This study was undertaken to examine specifically the involvement of the upstream signals, Fas and cytochrome c, in alcohol-induced caspase-3 activation and apoptosis in the liver. Male FVB mice were administrated intragastrically a single dose of alcohol at 6 g/kg, which has been shown to represent binge drinking in humans. Hepatic apoptosis was detected by a terminal deoxynucleotidyl transferase dUTP nick-end labeling assay. Active form of caspase-3 was identified by immunoperoxidase staining and confirmed by immunogold labeling and was found to be in the cytosol and nucleus. Enzymic assay further confirmed caspase-3 activation and nucleus localization. Systemic administration of caspase-3 inhibitor, Ac-DEVD-FMK, inhibited caspase-3 activity and abrogated apoptosis. Elevation of cytosolic cytochrome c was found by immunoperoxidase staining, immunogold labeling, and Western blot. Increased Fas ligand expression was detected by immunoperoxidase staining. Intravenous administration of a neutralizing Fas ligand monoclonal antibody resulted in suppression of caspase-3 activation and attenuation of apoptosis, but did not inhibit mitochondrial cytochrome c release. The results thus demonstrate that Fas/Fas ligand system-mediated caspase-3 activation plays a central role in the ethanol-induced hepatic apoptosis.

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  • Fas-mediated apoptosis is also reduced, as judged by using the monoclonal antibody Jo2 that recognizes and activates the Fas receptor and induces hepatic apoptosis, or by using ethanol gavage in mice, a system that mimics binge drinking in humans and triggers FasL-induced hepatocyte apoptosis.

    “Fas-mediated apoptosis is also reduced, as judged by using the monoclonal antibody Jo2 that recognizes and activates the Fas receptor and induces hepatic apoptosis [109], or by using ethanol gavage in mice, a system that mimics binge drinking in humans and triggers FasL-induced hepatocyte apoptosis [110].”

    From CCN1/CYR61: the very model of a modern matricellular protein (2011) · cites this paper as [110]

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  1. Deuciuc IV, Fortunato F, D'Souza NB, Hill DB, Schmidt J, Lee EY, McClain CJ: Modulation of caspase-3 activity and Fas ligand mRNA expression in rat liver cells in vivo by alcohol and lipopolysaccharide. Alcohol Clin Exp Res 1999, 23:349 -356

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Authors
Zhou, Z., Sun, X., & Kang, Y. J.
Affiliations
University of Louisville (US)
Corresponding author
Kang, Y. James
Venue
The American Journal of Pathology
Publisher
Elsevier BV
Published
2001-07
Volume
159
Issue
1
Pages
329-338
ISSN
0002-9440 (ISSN-L)
OpenAlex
W2147525297
Cited by
129
References
41
Citations by year
2026: 1 · 2025: 5 · 2024: 2 · 2023: 3 · 2022: 5 · 2021: 2 · 2020: 5 · 2019: 1 · 2018: 4 · 2017: 3 · 2016: 4 · 2015: 1 · 2014: 6 · 2013: 6 · 2012: 5
FWCI
3.03
Type
journal article
Language
en
Open access
Locations
  • American Journal Of Pathology (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Institute on Alcohol Abuse and Alcoholism (R21AA013601)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Cell death mechanisms and regulation
  • Health Sciences › Medicine › Pathology and Forensic Medicine › Alcohol Consumption and Health Effects
  • Health Sciences › Medicine › Hepatology › Liver physiology and pathology
Keywords
ethanol-induced apoptosis, alcoholic liver disease, Fas/Fas ligand pathway, caspase-3 activation, cytochrome c release, mitochondrial apoptosis, binge drinking, liver
MeSH terms
Ethanol, Animals, Antibodies, Monoclonal, Cytochrome c Group, Enzyme Activation, Liver, Male, Membrane Glycoproteins, Oligopeptides, Time Factors, Tissue Distribution, Cysteine Proteinase Inhibitors, Apoptosis, Caspases, Mice, Caspase 3, Fas Ligand Protein, Caspase Inhibitors

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