Cited by 34Peroxisome Proliferator-Activated ReceptorsAdipokines, Inflammation, and Metabolic DiseasesAdipose Tissue and Metabolism

The DOI matches its Crossref record; 41 of the 41 references it cites were found in a registry or an index.

β-Arrestin-1 Protein Represses Adipogenesis and Inflammatory Responses through Its Interaction with Peroxisome Proliferator-activated Receptor-γ (PPARγ)

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Zhuang, Le-nan, Hu, Wen-xiang, Xin, Shun-mei, Zhao, Jian, Pei, Gang·2011·Journal of Biological Chemistry

Abstract

One of the master regulators of adipogenesis and macrophage function is peroxisome proliferator-activated receptor-γ (PPARγ). Here, we report that a deficiency of β-arrestin-1 expression affects PPARγ-mediated expression of lipid metabolic genes and inflammatory genes. Further mechanistic studies revealed that β-arrestin-1 interacts with PPARγ. β-Arrestin-1 suppressed the formation of a complex between PPARγ and 9-cis-retinoic acid receptor-α through its direct interaction with PPARγ. The interaction of β-arrestin-1 with PPARγ repressed PPARγ/9-cis-retinoic acid receptor-α function but promoted PPARγ/nuclear receptor corepressor function in PPARγ-mediated adipogenesis and inflammatory gene expression. Consistent with these results, a deficiency of β-arrestin-1 binding to PPARγ abolished its suppression of PPARγ-dependent adipogenesis and inflammatory responses. These results indicate that the regulation of PPARγ by β-arrestin-1 is critical. Furthermore, in vivo expression of β-arrestin-1 (but not the binding-deficient mutant) significantly repressed adipogenesis, macrophage infiltration, and diet-induced obesity and improved glucose tolerance and systemic insulin sensitivity. Therefore, our findings not only reveal a molecular mechanism for the modulation of obesity by β-arrestin-1 but also suggest a potential tactical approach against obesity and its associated metabolic disorders.

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Crossref · 10.1074/jbc.m111.256099

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Metadata

Authors
Zhuang, L.-N., Hu, W.-X., Xin, S.-M., Zhao, J., & Pei, G.
Affiliations
  • Chinese Academy of Sciences (CN)
  • Tongji University (CN)
Corresponding author
  • Zhao, Jian
  • Pei, Gang
Venue
Journal of Biological Chemistry
Publisher
Elsevier BV
Published
2011-08
Volume
286
Issue
32
Pages
28403-28413
ISSN
0021-9258 (ISSN-L)
OpenAlex
W2088343196
Cited by
34
References
41
Citations by year
2025: 2 · 2024: 1 · 2023: 4 · 2022: 2 · 2021: 2 · 2020: 5 · 2019: 4 · 2018: 1 · 2017: 1 · 2016: 2 · 2015: 3 · 2014: 2 · 2013: 4 · 2012: 1
FWCI
0.91
Type
journal article
Language
en
Open access
Locations
  • Journal of Biological Chemistry (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Sanofi
  • National Natural Science Foundation of China (90713047, 2007CB947100, 30871285)
  • Chinese Academy of Sciences (XDA01010302)
  • Directorate for Biological Sciences
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Peroxisome Proliferator-Activated Receptors
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Adipokines, Inflammation, and Metabolic Diseases
  • Health Sciences › Medicine › Physiology (medical) › Adipose Tissue and Metabolism
Keywords
β-arrestin1, PPARγ, adipogenesis, inflammation, nuclear receptor corepressor, protein-protein interaction, macrophage infiltration, diet-induced obesity, glucose tolerance, insulin sensitivity, lipid metabolism, obesity
MeSH terms
beta-Arrestins, beta-Arrestin 1, Animals, Diet, Gene Expression Regulation, Inflammation, Obesity, Protein Binding, Mice, Knockout, Arrestins, Retinoid X Receptors, PPAR gamma, Adipogenesis, Mice

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