Cited by 1,578Peroxisome Proliferator-Activated ReceptorsLiver Disease Diagnosis and TreatmentParaoxonase enzyme and polymorphisms

Molecular mechanism of PPARα action and its impact on lipid metabolism, inflammation and fibrosis in non-alcoholic fatty liver disease

Open access
Pawlak, Michal, Lefebvre, Philippe, Staels, Bart·2015·Journal of Hepatology

Abstract

Peroxisome proliferator-activated receptor α (PPARα) is a ligand-activated transcription factor belonging, together with PPARγ and PPARβ/δ, to the NR1C nuclear receptor subfamily. Many PPARα target genes are involved in fatty acid metabolism in tissues with high oxidative rates such as muscle, heart and liver. PPARα activation, in combination with PPARβ/δ agonism, improves steatosis, inflammation and fibrosis in pre-clinical models of non-alcoholic fatty liver disease, identifying a new potential therapeutic area. In this review, we discuss the transcriptional activation and repression mechanisms by PPARα, the spectrum of target genes and chromatin-binding maps from recent genome-wide studies, paying particular attention to PPARα-regulation of hepatic fatty acid and plasma lipoprotein metabolism during nutritional transition, and of the inflammatory response. The role of PPARα, together with other PPARs, in non-alcoholic steatohepatitis will be discussed in light of available pre-clinical and clinical data.

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Crossref · 10.1016/j.jhep.2014.10.039

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  • PPARα is a transcription factor involved in lipid oxidation and consequent metabolism of carbohydrates and lipids.

    “PPARα is a transcription factor involved in the process of lipid oxidation and consequent metabolism of carbohydrates and lipids, noting that its activation is related to an increase in hepatic steatosis and inflammation (73).”
  • Activation of PPARα is related to an increase in hepatic steatosis and inflammation.

    “PPARα is a transcription factor involved in the process of lipid oxidation and consequent metabolism of carbohydrates and lipids, noting that its activation is related to an increase in hepatic steatosis and inflammation (73).”

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Authors
Pawlak, M., Lefebvre, P., & Staels, B.
Affiliations
Inserm (FR)
Corresponding author
Staels, Bart
Venue
Journal of Hepatology
Publisher
Elsevier BV
Published
2015-03
Volume
62
Issue
3
Pages
720-733
ISSN
0168-8278 (ISSN-L)
OpenAlex
W2072362233
Cited by
1,578
References
7
Citations by year
2026: 141 · 2025: 236 · 2024: 200 · 2023: 162 · 2022: 183 · 2021: 161 · 2020: 160 · 2019: 97 · 2018: 89 · 2017: 77 · 2016: 52 · 2015: 18
FWCI
4.64
Type
journal article
Language
en
Open access
Locations
  • Journal of Hepatology (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Peroxisome Proliferator-Activated Receptors
  • Health Sciences › Medicine › Epidemiology › Liver Disease Diagnosis and Treatment
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Clinical Biochemistry › Paraoxonase enzyme and polymorphisms
Keywords
PPARα, non-alcoholic fatty liver disease, nonalcoholic steatohepatitis, transcriptional regulation, PPARδ, chromatin binding, hepatic fatty acid metabolism, lipoprotein metabolism, nutrition transition, inflammation, liver fibrosis, steatosis, PPAR agonists
MeSH terms
Animals, Disease Models, Animal, Humans, Inflammation, Liver Cirrhosis, Models, Statistical, PPAR alpha, Lipogenesis, Lipid Metabolism, Mice, Non-alcoholic Fatty Liver Disease

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