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    Although magnesium and its alloys are candidates for orthopedic implants, they can effectively promote osteogenesis and angiogenesis. However, due to the degradability of magnesium, different concentrations of magnesium ions have different effects on cells, which affects the safety of magnesium implants. The cellular and molecular mechanisms by which magnesium promotes osteogenesis and angiogenesis are still unclear, which further affects its clinical use. In this study, HUVECs were treated with different concentrations of magnesium ions, and the concentration between 1 and 5 mM, especially 5 mM, was most suitable for cultivation of HUVECs. Using gene sequencing, RT-PCR, ELISA and Western blot analysis, we found that magnesium can promote MC3T3-E1 expression and secretion of PDGF-BB. Then, osteogenesis-related tests and angiogenesis-related tests found that magnesium promotes the secretion of PDGF-BB by MC3T3-E1 not only to improve the osteogenic differentiation ability of osteoblasts but also to effectively promote the angiogenic ability of HUVECs. Copyright © 2020. Published by Elsevier Inc.


    Wenwen Liu, Shuo Guo, Zhen Tang, Xinghui Wei, Peng Gao, Ning Wang, Xiaokang Li, Zheng Guo. Magnesium promotes bone formation and angiogenesis by enhancing MC3T3-E1 secretion of PDGF-BB. Biochemical and biophysical research communications. 2020 Aug 06;528(4):664-670

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    PMID: 32513539

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