Article (Scientific journals)
Novel Calcium-Binding Peptide from Bovine Bone Collagen Hydrolysates and Its Potential Pro-Osteogenic Activity via Calcium-Sensing Receptor (CaSR).
Qi, Liwei; Zhang, Hongru; Guo, Yujie et al.
2023In Molecular Nutrition and Food Research, p. 2200726
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Keywords :
MC3T3-E1 cells; calcium-binding capacity; calcium-binding peptide; calcium-sensing receptor; collagen hydrolysates; osteogenic activity; Biotechnology; Food Science
Abstract :
[en] [en] SCOPE: This paper aims to explore the osteogenic activity and potential mechanism of the peptide-calcium chelate, and provides a theoretical basis for peptide-calcium chelates as functional foods to prevent or improve osteoporosis. METHODS AND RESULTS: In this research, a novel peptide (Phe-Gly-Leu, FGL) with a high calcium-binding capacity is screened from bovine bone collagen hydrolysates (CPs), calcium binding sites of which mainly included carbonyl, amino and carboxyl groups. The FGL-Ca significantly enhances the osteogenic activity of MC3T3-E1 cells (survival rate, differentiation, and mineralization). The results of calcium fluorescence labeling and molecular docking show that FGL-Ca may activate calcium-sensing receptor (CaSR), leading to an increase in intracellular calcium concentration, then enhancing osteogenic activity of MC3T3-E1 cells. Further research found that FGL-Ca significantly promotes the mRNA and protein expression levels of CaSR, transforming growth factor β (TGF-β1), TGF-β-type II receptor (TβRII), Smad2, Smad3, osteocalcin (OCN), alkaline phosphatase (ALP), osteoprotegrin (OPG), and collagen type I (COLI). Subsequently, in the signal pathway intervention experiment, the expression levels of genes and proteins related to the TGF-β1/Smad2/3 signaling pathway that are promoted by FGL-Ca are found to decrease. CONCLUSIONS: These results suggest that FGL-Ca may activate CaSR, increase intracellular calcium concentration, and activate TGF-β1/Smad2/3 signaling pathway, which may be one of the potential mechanisms for enhancing osteogenic activity.
Disciplines :
Food science
Chemistry
Author, co-author :
Qi, Liwei;  Key Laboratory of Agro-Products Processing, Ministry of Agriculture and Rural Affairs, Institute of Food Science and technology, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
Zhang, Hongru  ;  Université de Liège - ULiège > TERRA Research Centre ; Key Laboratory of Agro-Products Processing, Ministry of Agriculture and Rural Affairs, Institute of Food Science and technology, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
Guo, Yujie;  Key Laboratory of Agro-Products Processing, Ministry of Agriculture and Rural Affairs, Institute of Food Science and technology, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
Zhang, Chunhui ;  Key Laboratory of Agro-Products Processing, Ministry of Agriculture and Rural Affairs, Institute of Food Science and technology, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
Xu, Yang;  Inner Mongolia Mengtai Biological Engineering Co., Ltd., Shengle Economic Park, Helinger County, Hohhot, Inner Mongolia, 010000, China
Language :
English
Title :
Novel Calcium-Binding Peptide from Bovine Bone Collagen Hydrolysates and Its Potential Pro-Osteogenic Activity via Calcium-Sensing Receptor (CaSR).
Publication date :
31 December 2023
Journal title :
Molecular Nutrition and Food Research
ISSN :
1613-4125
eISSN :
1613-4133
Publisher :
John Wiley & Sons, United Kingdom
Pages :
e2200726
Peer reviewed :
Peer Reviewed verified by ORBi
Funding text :
This work was supported by the Technical breathrough projects of Inner Mongolia science and technology Program (2022JBGS0007); National Agricultural Science and Technology Innovation Project (CAAS‐ASTIP‐2023).
Available on ORBi :
since 27 February 2024

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