Cited by 364Adipokines, Inflammation, and Metabolic DiseasesAdipose Tissue and MetabolismCardiovascular Disease and Adiposity

Endotrophin triggers adipose tissue fibrosis and metabolic dysfunction

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Sun, Kai, Park, Jiyoung, Gupta, Olga T., Holland, William L., Auerbach, Pernille, Zhang, Ningyan, Goncalves Marangoni, Roberta, Nicoloro, Sarah M. +5 more·2014·Nature Communications

Abstract

We recently identified endotrophin as an adipokine with potent tumour-promoting effects. However, the direct effects of local accumulation of endotrophin in adipose tissue have not yet been studied. Here we use a doxycycline-inducible adipocyte-specific endotrophin overexpression model to demonstrate that endotrophin plays a pivotal role in shaping a metabolically unfavourable microenvironment in adipose tissue during consumption of a high-fat diet (HFD). Endotrophin serves as a powerful co-stimulator of pathologically relevant pathways within the 'unhealthy' adipose tissue milieu, triggering fibrosis and inflammation and ultimately leading to enhanced insulin resistance. We further demonstrate that blocking endotrophin with a neutralizing antibody ameliorates metabolically adverse effects and effectively reverses metabolic dysfunction induced during HFD exposure. Collectively, our findings demonstrate that endotrophin exerts a major influence in adipose tissue, eventually resulting in systemic elevation of pro-inflammatory cytokines and insulin resistance, and the results establish endotrophin as a potential target in the context of metabolism and cancer.

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  • Collagen VI is cleaved at the C5 domain of the α3 subunit, and the resulting peptide increases collagen deposition, endothelial cell migration, and macrophage infiltration.

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Authors
Sun, K., Park, J., Gupta, O. T., Holland, W. L., Auerbach, P., Zhang, N., Goncalves Marangoni, R., Nicoloro, S. M., Czech, M. P., Varga, J., Ploug, T., An, Z., & Scherer, P. E.
Affiliations
  • The University of Texas Southwestern Medical Center (US)
  • Ulsan National Institute of Science and Technology (KR)
  • University of Copenhagen (DK)
  • Brown Foundation Institute of Molecular Medicine for the Prevention of Human Diseases (US)
  • University of Massachusetts Chan Medical School (US)
  • Northwestern University (US)
Corresponding author
Scherer, Philipp E.
Venue
Nature Communications
Published
2014-03-19
Volume
5
Issue
1
Pages
3485-3485
ISSN
2041-1723 (ISSN-L)
OpenAlex
W2003652844
Cited by
364
References
55
Citations by year
2026: 24 · 2025: 29 · 2024: 35 · 2023: 40 · 2022: 39 · 2021: 43 · 2020: 46 · 2019: 22 · 2018: 24 · 2017: 22 · 2016: 24 · 2015: 14 · 2014: 1
FWCI
15.36
Type
journal article
Language
en
Open access
Locations
  • Nature Communications (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
  • Research at the University of Copenhagen (University of Copenhagen) (submittedVersion)
  • Scholarworks@UNIST (Ulsan National Institute of Science and Technology) (submittedVersion)
Funders
  • U.S. Department of Defense
  • American Heart Association (12BGI-A8910006)
  • University of Texas Southwestern Medical Center (P01DK088761)
  • Ulsan National Institute of Science and Technology (1.130088.01)
  • Ministério da Ciência, Tecnologia e Inovação
  • Novo Nordisk
  • Copenhagen Graduate School for Nanoscience and Nanotechnology
  • Novo Nordisk Fonden
  • National Institutes of Health (DK030898)
  • National Institute of Diabetes and Digestive and Kidney Diseases (R01 DK 55758, R01DK030898, K99DK094973, R37DK030898, R01DK055758, P01DK088761, R01DK099110)
  • Medical Research and Materiel Command
Topics
  • Health Sciences › Medicine › Epidemiology › Adipokines, Inflammation, and Metabolic Diseases
  • Health Sciences › Medicine › Physiology › Adipose Tissue and Metabolism
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiovascular Disease and Adiposity
Keywords
endotrophin, adipose tissue fibrosis, adipose tissue inflammation, insulin resistance, metabolic dysfunction, high-fat diet, adipokines, inflammatory cytokines
MeSH terms
Adipose Tissue, Adult, Animals, Diabetes Mellitus, Energy Metabolism, Female, Fibrosis, Humans, Inflammation, Insulin Resistance, Male, Mice, Inbred C57BL, Mice, Transgenic, Middle Aged, Obesity, Peptide Fragments, Gene Expression, Transforming Growth Factor beta, Adipocytes, Microscopy, Confocal, Reverse Transcriptase Polymerase Chain Reaction, Collagen Type VI, Mice, Matrix Metalloproteinase 12, Diet, High-Fat

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