Cited by 212Adipokines, Inflammation, and Metabolic DiseasesAdipose Tissue and MetabolismMuscle Physiology and Disorders

The DOI matches its Crossref record; 60 of the 60 references it cites were found in a registry or an index.

Inhibition of myostatin in mice improves insulin sensitivity via irisin-mediated cross talk between muscle and adipose tissues

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Dong, J, Dong, Y, Dong, Y, Chen, F, Mitch, W E, Zhang, L·2016·International Journal of Obesity

Abstract

Background/objective In mice, a high-fat diet (HFD) induces obesity, insulin resistance and myostatin production. We tested whether inhibition of myostatin in mice can reverse these HFD-induced abnormalities.Subjects/methods C57BL/6 mice were fed a HFD for 16 weeks including the final 4 weeks some mice were treated with an anti-myostatin peptibody. Body composition, the respiratory exchange ratio plus glucose and insulin tolerance tests were examined. Myostatin knock down in C2C12 cells was performed using small hairpin RNA lentivirus. Adipose tissue-derived stem cells were cultured to measure their responses to conditioned media from C2C12 cells lacking myostatin, or to recombinant myostatin or irisin. Isolated peritoneal macrophages were treated with myostatin or irisin to determine whether myostatin or irisin induce inflammatory mechanisms.Results In HFD-fed mice, peptibody treatment stimulated muscle growth and improved insulin resistance. The improved glucose and insulin tolerances were confirmed when we found increased muscle expression of p-Akt and the glucose transporter, Glut4. In HFD-fed mice, the peptibody suppressed macrophage infiltration and the expression of proinflammatory cytokines in both the muscle and adipocytes. Inhibition of myostatin caused the conversion of white (WAT) to brown adipose tissue, whereas stimulating fatty acid oxidation and increasing energy expenditure. The related mechanism is a muscle-to-fat cross talk mediated by irisin. Myostatin inhibition increased peroxisome proliferator-activated receptor gamma, coactivator 1α expression and irisin production in the muscle. Irisin then stimulated WAT browning. Irisin also suppresses inflammation and stimulates macrophage polarization from M1 to M2 types.Conclusions These results uncover a metabolic pathway from an increase in myostatin that suppresses irisin leading to the activation of inflammatory cytokines and insulin resistance. Thus, myostatin is a potential therapeutic target to treat insulin resistance of type II diabetes as well as the shortage of brown/beige fat in obesity.

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Metadata

Authors
Dong, J., Dong, Y., Dong, Y., Chen, F., Mitch, W. E., & Zhang, L.
Affiliations
  • Baylor College of Medicine (US)
  • Sichuan University (CN)
Corresponding author
  • Chen, F
  • Zhang, L
Venue
International Journal of Obesity
Published
2015-10-05
Volume
40
Issue
3
Pages
434-442
ISSN
  • 0307-0565 (ISSN-L)
  • 1476-5497
OpenAlex
W2235165689
Cited by
212
References
60
Citations by year
2026: 11 · 2025: 19 · 2024: 18 · 2023: 22 · 2022: 28 · 2021: 32 · 2020: 16 · 2019: 21 · 2018: 14 · 2017: 21 · 2016: 10
FWCI
11.76
Type
journal article
Language
en
Open access
Locations
  • International Journal of Obesity (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
National Institute of Diabetes and Digestive and Kidney Diseases (R37-DK-37175, R37DK037175, P30DK079638, R01DK037175)
Topics
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Adipokines, Inflammation, and Metabolic Diseases
  • Health Sciences › Medicine › Physiology (medical) › Adipose Tissue and Metabolism
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Muscle Physiology and Disorders
Keywords
myostatin inhibition, irisin, insulin resistance, high-fat diet, brown adipose tissue browning, white adipose tissue, macrophage polarization, inflammation, PPARγ, PGC-1α, type 2 diabetes, obesity, fatty acid oxidation, energy expenditure
MeSH terms
Adipose Tissue, Animals, Disease Models, Animal, Insulin, Insulin Resistance, Male, Mice, Inbred C57BL, Muscle, Skeletal, Receptor Cross-Talk, Lipid Metabolism, Proto-Oncogene Proteins c-akt, Mice, Myostatin, Molecular Targeted Therapy, Diet, High-Fat

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