Cited by 268Adipose Tissue and MetabolismPeroxisome Proliferator-Activated ReceptorsAdipokines, Inflammation, and Metabolic Diseases

TGR5 signalling promotes mitochondrial fission and beige remodelling of white adipose tissue

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Velazquez-Villegas, Laura A., Perino, Alessia, Lemos, Vera, Zietak, Marika, Nomura, Mitsunori, Pols, Thijs Willem Hendrik, Schoonjans, Kristina·2018·Nature Communications

Abstract

Remodelling of energy storing white fat into energy expending beige fat could be a promising strategy to reduce adiposity. Here, we show that the bile acid-responsive membrane receptor TGR5 mediates beiging of the subcutaneous white adipose tissue (scWAT) under multiple environmental cues including cold exposure and prolonged high-fat diet feeding. Moreover, administration of TGR5-selective bile acid mimetics to thermoneutral housed mice leads to the appearance of beige adipocyte markers and increases mitochondrial content in the scWAT of Tgr5 +/+ mice but not in their Tgr5 −/− littermates. This phenotype is recapitulated in vitro in differentiated adipocytes, in which TGR5 activation increases free fatty acid availability through lipolysis, hence fuelling β-oxidation and thermogenic activity. TGR5 signalling also induces mitochondrial fission through the ERK/DRP1 pathway, further improving mitochondrial respiration. Taken together, these data identify TGR5 as a druggable target to promote beiging with potential applications in the management of metabolic disorders.

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  • TGR5 adipose tissue-specific knockout mice show neglectable browning and exhibit reduced cold tolerance due to reduced adipose mitochondrial fusion.

    “These mice show neglectable browning and exhibit reduced cold tolerance due to reduced adipose mitochondrial fusion 98.”
  • Studies using BA receptor TGR5 adipose tissue-specific knockout mice proved that BAs also participate in the browning of WAT.

    “Moreover, studies using BA receptor TGR5 adipose tissue‐specific knockout mice proved that BAs also participate in the browning of WAT.”

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Authors
Velazquez-Villegas, L. A., Perino, A., Lemos, V., Zietak, M., Nomura, M., Pols, T. W. H., & Schoonjans, K.
Affiliations
  • École Polytechnique Fédérale de Lausanne (CH)
  • Universidade do Porto (PT)
Corresponding author
Schoonjans, Kristina
Venue
Nature Communications
Published
2018-01-16
Volume
9
Issue
1
Pages
245-245
ISSN
2041-1723 (ISSN-L)
OpenAlex
W2783262542
Cited by
268
References
71
Citations by year
2026: 29 · 2025: 35 · 2024: 42 · 2023: 38 · 2022: 30 · 2021: 26 · 2020: 31 · 2019: 24 · 2018: 13
FWCI
16.11
Type
journal article
Language
en
Open access
Locations
  • Nature Communications (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
  • Infoscience (Ecole Polytechnique Fédérale de Lausanne) (submittedVersion, cc-by-nc-nd)
Funders
  • National Science Foundation
  • École Polytechnique Fédérale de Lausanne
  • Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung (125487)
  • Fundacja na rzecz Nauki Polskiej
  • Consejo Nacional de Ciencia y Tecnología
  • Fundação para a Ciência e a Tecnologia (SFRH/BD/52046/2012)
Topics
  • Health Sciences › Medicine › Physiology › Adipose Tissue and Metabolism
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Peroxisome Proliferator-Activated Receptors
  • Health Sciences › Medicine › Epidemiology › Adipokines, Inflammation, and Metabolic Diseases
Keywords
TGR5, G protein-coupled bile acid receptor, white adipose tissue, beige adipose tissue, brown adipose tissue, mitochondrial fission, mitochondrial dynamics, Drp1, ERK signaling, thermogenesis, lipolysis, free fatty acids, fatty acid beta-oxidation, mitochondrial respiration, cold exposure, high-fat diet, adiposity, thermoneutrality
MeSH terms
Adipose Tissue, Beige, Adipocytes, Beige, Animals, Cell Differentiation, Cell Line, Fatty Acids, Nonesterified, Humans, Temperature, Signal Transduction, Mice, Knockout, 3T3-L1 Cells, Receptors, G-Protein-Coupled, Subcutaneous Fat, Mice, Adipose Tissue, White, Adipocytes, White, Mitochondrial Dynamics

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