Cited by 192Adipose Tissue and MetabolismMuscle Physiology and DisordersAdipokines, Inflammation, and Metabolic Diseases

Inhibition of myostatin protects against diet-induced obesity by enhancing fatty acid oxidation and promoting a brown adipose phenotype in mice

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Zhang, C., McFarlane, C., Lokireddy, S., Masuda, S., Ge, X., Gluckman, P. D., Sharma, M., Kambadur, R.·2012·Diabetologia

Abstract

Aims/hypothesis Although myostatin-null (Mstn (-/-)) mice fail to accumulate fat in adipose tissue when fed a high-fat diet (HFD), little is known about the molecular mechanism(s) behind this phenomenon. We therefore sought to identify the signalling pathways through which myostatin regulates accumulation and/or utilisation of fat.Methods Wild-type, Mstn (-/-) and wild-type mice treated with soluble activin type IIB receptor (sActRIIB) were fed a control chow diet or an HFD for 12 weeks. Changes in gene expression were measured by microarray and quantitative PCR. Histological changes in white adipose tissue were assessed together with peripheral tissue fatty acid oxidation and changes in circulating hormones following HFD feeding.Results Our results demonstrate that inactivation of myostatin results in reduced fat accumulation in mice on an HFD. Molecular analysis revealed that metabolic benefits, due to lack of myostatin, are mediated through at least two independent mechanisms. First, lack of myostatin increased fatty acid oxidation in peripheral tissues through induction of enzymes involved in lipolysis and in fatty acid oxidation in mitochondria. Second, inactivation of myostatin also enhanced brown adipose formation in white adipose tissue of Mstn (-/-) mice. Consistent with the above, treatment of HFD-fed wild-type mice with the myostatin antagonist, sActRIIB, reduced the obesity phenotype.Conclusions/interpretation We conclude that absence of myostatin results in enhanced peripheral tissue fatty acid oxidation and increased thermogenesis, culminating in increased fat utilisation and reduced adipose tissue mass. Taken together, our data suggest that anti-myostatin therapeutics could be beneficial in alleviating obesity.

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Authors
Zhang, C., McFarlane, C., Lokireddy, S., Masuda, S., Ge, X., Gluckman, P. D., Sharma, M., & Kambadur, R.
Affiliations
  • Agency for Science, Technology and Research (SG)
  • Nanyang Technological University (SG)
  • National University of Singapore (SG)
Corresponding author
Kambadur, R.
Venue
Diabetologia
Published
2011-09-17
Volume
55
Issue
1
Pages
183-193
ISSN
  • 0012-186X (ISSN-L)
  • 1432-0428
OpenAlex
W2146923536
Cited by
192
References
38
Citations by year
2026: 4 · 2025: 7 · 2024: 15 · 2023: 10 · 2022: 13 · 2021: 19 · 2020: 16 · 2019: 9 · 2018: 11 · 2017: 8 · 2016: 11 · 2015: 21 · 2014: 14 · 2013: 19 · 2012: 13
FWCI
10.21
Type
journal article
Language
en
Update notices
erratum (2014-12-11)
Open access
Locations
  • Diabetologia (publishedVersion)
  • PubMed (publishedVersion)
  • ResearchOnline - JCU (James Cook University) (submittedVersion)
  • DR-NTU (Nanyang Technological University) (submittedVersion)
Funders
  • Agency for Science, Technology and Research
  • Singapore Institute for Clinical Sciences
  • Nanyang Technological University
  • Directorate for Biological Sciences
Topics
  • Health Sciences › Medicine › Physiology › Adipose Tissue and Metabolism
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Muscle Physiology and Disorders
  • Health Sciences › Medicine › Epidemiology › Adipokines, Inflammation, and Metabolic Diseases
Keywords
myostatin, diet-induced obesity, high-fat diet, fatty acid oxidation, brown adipose tissue, white adipose tissue, thermogenesis, lipolysis, fat deposition, mitochondrial fatty acid oxidation
MeSH terms
Animals, Adipose Tissue, Brown, Fatty Acids, Gene Expression Regulation, Lipolysis, Male, Mice, Inbred C57BL, Muscle Proteins, Obesity, Oxidation-Reduction, RNA, Messenger, Solubility, Mice, Knockout, Muscle, Skeletal, Anti-Obesity Agents, Gene Expression Profiling, Activin Receptors, Type II, Adiposity, Mice, Myostatin, Molecular Targeted Therapy, Diet, High-Fat

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