期刊
FOOD CHEMISTRY
卷 272, 期 -, 页码 751-757出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2018.07.063
关键词
Crassostrea gigas; Peptides; Hydrolysates; Quadrupole time-of-flight mass spectrum; Osteoblast; Molecular docking; Integrin
资金
- National Natural Science Foundation of China [31771926, 31730069]
- State Key Research and Development Plan Modern Food Processing and Food Storage and Transportation Technology and Equipment [2017YFD0400201]
Marine shellfish provides a series of biofunctionality account of its high-protein level. In this study, the osteogenic effect of a novel peptide, YRGDVVPK, from Crassostrea gigas protein hydrolysates on preosteoblast MC3T3-E1 proliferation was examined. Synthetic peptide with 100 nM significantly promoted the proliferation of MC3T3-E1 cells for a treatment of 72 h assayed by MTT method, and which was confirmed by the increase of alkaline phosphatase (ALP) activity. The peptide, YRGDVVPK, was docked with integrin alpha 5 beta 1 (PDB ID: 3VI4), which is a surface receptor of MC3T3-E1. The interaction of the peptide with integrin alpha 5 beta 1 (PDB ID: 3VI4) was analyzed by the molecular modeling algorithm of CDOCKER, which showed a more stable combination than the original ligand. The results suggested the novel peptide could promote the preosteoblast MC3T3-E1 proliferation probably by activating the signaling pathway of MAPK, which is induced through binding with peptide YRG-DVVPK.
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