Cited by 39Liver Disease Diagnosis and TreatmentEndoplasmic Reticulum Stress and DiseaseLiver physiology and pathology

C/EBP homologous protein modulates liraglutide-mediated attenuation of non-alcoholic steatohepatitis

Open access
Rahman, Khalidur, Liu, Yunshan, Kumar, Pradeep, Smith, Tekla, Thorn, Natalie E, Farris, Alton B, Anania, Frank A·2016·Laboratory Investigation

Abstract

The CCAAT/enhancer-binding protein (C/EBP) homologous protein (CHOP), a major transcriptional regulator of endoplasmic reticulum (ER) stress-mediated apoptosis, is implicated in lipotoxicity-induced ER stress and hepatocyte apoptosis in non-alcoholic fatty liver disease (NAFLD). We have previously demonstrated that the glucagon-like peptide-1 (GLP-1) agonist, liraglutide, protects steatotic hepatocytes from lipotoxicity-induced apoptosis by improved handling of free fatty acid (FFA)-induced ER stress. In the present study, we investigated whether CHOP is critical for GLP-1-mediated restoration of ER homeostasis and mitigation of hepatocyte apoptosis in a murine model of NASH (non-alcoholic steatohepatitis). Our data show that despite similar caloric intake, CHOP KO (CHOP(-/-)) mice fed a diet high in fat, fructose, and cholesterol (HFCD) for 16 weeks developed more severe histological features of NASH compared with wild-type (WT) controls. Severity of NASH in HFCD-fed CHOP(-/-) mice correlated with significant decrease in peroxisomal β-oxidation, and increased de novo lipogenesis and ER stress-mediated hepatocyte apoptosis. Four weeks of liraglutide treatment markedly attenuated steatohepatitis in HFCD-fed WT mice by improving insulin sensitivity, and suppressing de novo lipogenesis and ER stress-mediated hepatocyte apoptosis. However, in the absence of CHOP, liraglutide did not improve insulin sensitivity, nor suppress peroxisomal β-oxidation or ER stress-mediated hepatocyte apoptosis. Taken together, these data indicate that CHOP protects hepatocytes from HFCD-induced ER stress, and has a significant role in the mechanism of liraglutide-mediated protection against NASH pathogenesis.

The claims and statistics of this paper haven’t been checked yet.

Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.

A few free checks a day · papers already verified open instantly · results are public

Integrity signals

Registry

Crossref · 10.1038/labinvest.2016.61

Cites

53 of 53 references verified0 citation errors · 0 not checkable

Statistics

Claims the paper makes

The claims and statistics of this paper haven’t been checked yet.

Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.

A few free checks a day · papers already verified open instantly · results are public

Claims other papers make about this one

Each is checked against this paper’s own text: does it say what the citing paper says it does?

Self-check

Percentages, sums and reported differences re-computed from the paper’s own numbers.

The self-check needs the paper’s full text.

Cites

Flagged first, then by citations

Research works printed but not linked: 1

  1. [4]O'Grady MJaC JC Assessing the Economics of Obesity and Obesity Interventions print copy in press 2012. Available from: http://obesitycampaign.org/documents/StudyAssessingtheEconomicsofObesityandObesityIntervention.pdf

Cited by

Sorted by citations

Authors
Rahman, K., Liu, Y., Kumar, P., Smith, T., Thorn, N. E., Farris, A. B., & Anania, F. A.
Affiliations
  • Emory University (US)
  • Atlanta VA Medical Center (US)
  • Emory University Hospital (US)
Corresponding author
Rahman, Khalidur
Venue
Laboratory Investigation
Publisher
Elsevier BV
Published
2016-08
Volume
96
Issue
8
Pages
895-908
ISSN
0023-6837 (ISSN-L)
OpenAlex
W2413093647
Cited by
39
References
53
Citations by year
2025: 2 · 2024: 1 · 2023: 8 · 2022: 4 · 2021: 4 · 2020: 4 · 2019: 5 · 2018: 7 · 2017: 3 · 2016: 1
FWCI
4.99
Type
journal article
Language
en
Open access
Locations
  • Laboratory Investigation (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • U.S. Department of Veterans Affairs (I01 BX001746)
  • Emory University
  • National Institutes of Health (DK062092)
  • School of Medicine, Emory University
  • National Institute of Diabetes and Digestive and Kidney Diseases (R56DK062092, R01DK062092)
Topics
  • Health Sciences › Medicine › Epidemiology › Liver Disease Diagnosis and Treatment
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Endoplasmic Reticulum Stress and Disease
  • Health Sciences › Medicine › Hepatology › Liver physiology and pathology
Keywords
CHOP, C/EBP homologous protein, liraglutide, nonalcoholic steatohepatitis, non-alcoholic fatty liver disease, endoplasmic reticulum stress, hepatocyte apoptosis, lipotoxicity, GLP-1 receptor agonists, peroxisomal beta-oxidation, de novo lipogenesis, insulin sensitivity, ER homeostasis
MeSH terms
Liraglutide, Exenatide, Animals, Blood Glucose, Cells, Cultured, Cholesterol, Dietary Carbohydrates, Disease Models, Animal, Insulin Resistance, Liver, Male, Mice, Inbred C57BL, Peptides, Venoms, Apoptosis, Mice, Knockout, Protective Agents, Hepatocytes, Lipid Metabolism, Mice, Transcription Factor CHOP, Diet, High-Fat, Endoplasmic Reticulum Stress, Non-alcoholic Fatty Liver Disease

About these checks

Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.

Statistics and arithmetic are recomputed, not judged.

Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.

What counts as a claim ›How we measure confidence ›How we check this ›

Are you an author, or do you see a problem with this page? Request a review