Effect of pinoresinol and vanillic acid isolated from Catalpa bignonioides on mouse myoblast proliferation via the Akt/mTOR signaling pathway

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Title
Effect of pinoresinol and vanillic acid isolated from Catalpa bignonioides on mouse myoblast proliferation via the Akt/mTOR signaling pathway
Author(s)
S Y Kim; S P Kwon; S Park; S H Cho; Y Oh; S H Kim; Y H Park; H S Jung; D C Lee; Hoibin Jeong; K N Kim
Bibliographic Citation
Molecules, vol. 27, no. 17, pp. 5397-5397
Publication Year
2022
Abstract
Growth and maintenance of skeletal muscle is essential for athletic performance and a healthy life. Stimulating the proliferation and differentiation of muscle cells may help prevent loss of muscle mass. To discover effective natural substances enabling to mitigate muscle loss without side effects, we evaluated muscle growth with several compounds extracted from Catalpa bignonioides Walt. Among these compounds, pinoresinol and vanillic acid increased C2C12, a mouse myoblast cell line, proliferation being the most without cytotoxicity. These substances activated the Akt/mammalian target of the rapamycin (mTOR) pathway, which positively regulates the proliferation of muscle cells. In addition, the results of in silico molecular docking study showed that they may bind to the active site of insulin-like growth factor 1 receptor (IGF-1R), which is an upstream of the Akt/mTOR pathway, indicating that both pinoresinol and vanillic acid stimulate myoblast proliferation through direct interaction with IGF-1R. These results suggest that pinoresinol and vanillic acid may be a natural supplement to improve the proliferation of skeletal muscle via IGF-1R/Akt/mTOR signaling and thus strengthen muscles.
Keyword
Catalpa bignonioidesPinoresinolVanillic acidIGF-1 signaling
ISSN
1420-3049
Publisher
MDPI
DOI
http://dx.doi.org/10.3390/molecules27175397
Type
Article
Appears in Collections:
1. Journal Articles > Journal Articles
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