Cited by 50Circadian rhythm and melatoninAdipose Tissue and MetabolismPeroxisome Proliferator-Activated Receptors

Melatonin promotes triacylglycerol accumulation via MT2 receptor during differentiation in bovine intramuscular preadipocytes

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Yang, Wucai, Tang, Keqiong, Wang, Yaning, Zhang, Yingying, Zan, Linsen·2017·Scientific Reports

Abstract

Melatonin (N-acetyl-5-methoxytryptamine) is a derivative of tryptophan which is produced and secreted mainly by the pineal gland and regulates a variety of important central and peripheral actions. To examine the potential effects of melatonin on the proliferation and differentiation of bovine intramuscular preadipocytes (BIPs), BIPs were incubated with different concentrations of melatonin. Melatonin supplementation at 1 mM significantly increased peroxisome proliferator-activated receptor γ (PPARγ), CCAAT/enhancer-binding protein (C/EBP) β, and C/EBPα expression and promoted the differentiation of BIPs into adipocytes with large lipid droplets and high cellular triacylglycerol (TAG) levels. Melatonin also significantly enhanced lipolysis and up-regulated the expression of lipolytic genes and proteins, including hormone sensitive lipase (HSL), adipocyte triglyceride lipase (ATGL), and perilipin 1 (PLIN1). Moreover, melatonin reduced intracellular reactive oxygen species (ROS) levels by increasing the expression levels and activities of superoxide dismutase 1 (SOD1) and glutathione peroxidase 4 (GPX4). Finally, the positive effects of melatonin on adipogenesis, lipolysis, and redox status were reversed by treatment with luzindole, anantagonist of nonspecific melatonin receptors 1 (MT1) and 2 (MT2), and 4-phenyl-2-propionamidotetraline (4P-PDOT), a selective MT2 antagonist. These results reveal that melatonin promotes TAG accumulation via MT2 receptor during differentiation in BIPs.

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  1. [66]Zwirska-Korczala K Influence of melatonin on cell proliferation, antioxidative enzyme activities and lipid peroxidation in 3T3-L1 preadipocytes–an in vitro study J Physiol Pharmacol 2005 56 91 99 16340042

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Authors
Yang, W., Tang, K., Wang, Y., Zhang, Y., & Zan, L.
Affiliations
Northwest A&F University (CN)
Corresponding author
  • Tang, Keqiong
  • Zan, Linsen
Venue
Scientific Reports
Published
2017-11-08
Volume
7
Issue
1
Pages
15080-15080
ISSN
2045-2322 (ISSN-L)
OpenAlex
W2767146658
Cited by
50
References
73
Citations by year
2026: 1 · 2025: 5 · 2024: 8 · 2023: 10 · 2022: 2 · 2021: 9 · 2020: 3 · 2019: 9 · 2018: 3
FWCI
2.51
Type
journal article
Language
en
Open access
Locations
  • Scientific Reports (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
Funders
  • National Natural Science Foundation of China (31402044)
  • Fundamental Research Funds for the Central Universities (Z109021603, Z109021619)
Topics
  • Life Sciences › Neuroscience › Endocrine and Autonomic Systems › Circadian rhythm and melatonin
  • Health Sciences › Medicine › Physiology › Adipose Tissue and Metabolism
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Peroxisome Proliferator-Activated Receptors
Keywords
melatonin, MT2 receptor, adipogenesis, triglyceride accumulation, lipolysis, PPARγ, C/EBP, hormone-sensitive lipase, PLIN1, reactive oxygen species, superoxide dismutase 1, GPX4, luzindole, redox state
MeSH terms
Perilipin-1, Animals, Cattle, Cell Differentiation, Cells, Cultured, Gene Expression Regulation, Lipase, Lipolysis, Male, Melatonin, Tetrahydronaphthalenes, Triglycerides, Adipocytes, Receptor, Melatonin, MT2, Adipogenesis

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