Cited by 157Adipose Tissue and MetabolismSirtuins and Resveratrol in MedicineAdipokines, Inflammation, and Metabolic Diseases

GLP-1 receptor agonist promotes brown remodelling in mouse white adipose tissue through SIRT1

Open access
Xu, Fen, Lin, Beisi, Zheng, Xiaobin, Chen, Zonglan, Cao, Huanyi, Xu, Haixia, Liang, Hua, Weng, Jianping·2016·Diabetologia

Abstract

Aims/hypothesis Accumulating evidence has revealed the significant role of glucagon-like peptide-1 (GLP-1) in weight loss. Sirtuin 1 (SIRT1) plays a vital role in the regulation of lipid metabolism. Here, we investigated the contribution of lipolytic and oxidative changes in white adipose tissue (WAT) to the weight-lowering effect induced by the GLP-1 receptor (GLP-1R) agonist exenatide (exendin-4) in mice. We also looked at the role of SIRT1 in this process.Methods C57BL/6J mice and Sirt1 (+/-) mice were treated with exenatide (24 nmol/kg) or an NaCl solution (154 mmol/l) control i.p. for 8 weeks while receiving a high-fat diet (HFD) after a 12 week HFD challenge. Systemic phenotypic evaluations were carried out during and after the intervention. A lentivirus-mediated short hairpin (sh)RNA vector of the Sirt1 gene was transfected into differentiated 3T3-L1 adipocytes. An in vitro model system used adipocytes induced from Sirt1-null mouse embryonic fibroblasts (MEFs).Results Exenatide reduced fat mass and enhanced the lipolytic and oxidative capacity of WAT in diet-induced obese C57BL/6J mice. However, these effects were significantly impaired in Sirt1 (+/-) mice compared with wild-type controls. In vitro, exendin-4 increased lipolysis and fatty acid oxidation by upregulating SIRT1 expression and activity in differentiated 3T3-L1 adipocytes. Conversely, RNA interference (i)-induced knockdown of SIRT1 attenuated the lipolytic and oxidative responses to exendin-4 in differentiated 3T3-L1 adipocytes. Again, these responses were entirely abolished in Sirt1-null MEFs after induction into adipocytes.Conclusions/interpretation These data highlight that a GLP-1R agonist promotes brown remodelling of WAT in a SIRT1-dependent manner; this might be one of the mechanisms underlying its effect on weight loss.

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 · 10.1007/s00125-016-3896-5

Cites

40 of 40 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?

  • Liraglutide injected into mice stimulates thermogenesis of brown adipose tissue and browning of adipose cells independent of nutrient intake, and reduces lipid content through central GLP-1R signaling pathways.

    “Beiroa (36) et al. injected GLP-1 analog, liraglutide (LIR), into mice. LIR was found to stimulate the thermogenesis of brown adipose tissue and the browning of adipose cells, independent of the intake of nutrients. It can increase the thermogenesis and utilization of triacylglycerol-derived fatty acids and glucose in brown adipocytes and reduce the lipid content through the central GLP-1R agonist”
  • GLP-1R appears to play a significant role in energy metabolism by directly promoting brown AT and mitochondrial bioenergetics remodeling.

    “Recent research characterized the incretin system in fat tissue, and one intriguing finding was that GLP-1R appears to play a significant role in energy metabolism by directly promoting brown AT (BAT) and mitochondrial bioenergetics remodeling [94].”

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

Cited by

Sorted by citations

Authors
Xu, F., Lin, B., Zheng, X., Chen, Z., Cao, H., Xu, H., Liang, H., & Weng, J.
Affiliations
  • Third Affiliated Hospital of Sun Yat-sen University (CN)
  • Key Laboratory of Guangdong Province (CN)
Corresponding author
Weng, Jianping
Venue
Diabetologia
Published
2016-02-29
Volume
59
Issue
5
Pages
1059-1069
ISSN
  • 0012-186X (ISSN-L)
  • 1432-0428
OpenAlex
W2288966387
Cited by
157
References
40
Citations by year
2026: 18 · 2025: 22 · 2024: 21 · 2023: 17 · 2022: 14 · 2021: 14 · 2020: 14 · 2019: 11 · 2018: 13 · 2017: 8 · 2016: 5
FWCI
9.94
Type
journal article
Language
en
Open access
Locations
  • Diabetologia (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • the National Natural Science Foundation of China Grant Award (81300705)
  • PCSIRT (82000-18811100)
  • the Program for ‘973’ project (2012CB517506)
  • NSFC-CIHR (81261120565)
Topics
  • Health Sciences › Medicine › Physiology › Adipose Tissue and Metabolism
  • Health Sciences › Medicine › Geriatrics and Gerontology › Sirtuins and Resveratrol in Medicine
  • Health Sciences › Medicine › Epidemiology › Adipokines, Inflammation, and Metabolic Diseases
Keywords
GLP-1 receptor agonists, exenatide, SIRT1, white adipose tissue, lipolysis, fatty acid oxidation, oxidative metabolism, weight loss, diet-induced obesity, high-fat diet, adipocytes, 3T3-L1 adipocytes, SIRT1 knockout mice
MeSH terms
Glucagon-Like Peptide-1 Receptor, Exenatide, Glucagon-Like Peptide-1 Receptor Agonists, Animals, Body Weight, Mice, Inbred C57BL, Mice, Mutant Strains, Mice, Obese, Peptides, Venoms, Lipid Metabolism, Mice, Adipose Tissue, White, Sirtuin 1, Diet, High-Fat

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