Chinese Journal of Tissue Engineering Research ›› 2021, Vol. 25 ›› Issue (35): 5702-5708.doi: 10.12307/2021.303

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Role of calcium ions in bone repair and osteogenesis

Lu Haiping1, Lang Xuemei2, Cao Jin1, Ma Yaping1, Xiao Yin3, Wang Xin1   

  1. 1Department of Orthopedics, Affiliated Hospital of Zunyi Medical University, Zunyi 563003, Guizhou Province, China; 2Pre-hospital Emergency Department, Chongqing Emergency Center, Chongqing 400010, China; 3Department of Bone Tissue Engineering, The Queensland University of Technology, Brisbane 4059, Australia
  • Received:2021-01-13 Revised:2021-01-15 Accepted:2021-01-30 Online:2021-12-18 Published:2021-08-05
  • Contact: Xiao Yin, MD, Professor, Doctoral supervisor, Department of Bone Tissue Engineering, The Queensland University of Technology, Brisbane 4059, Australia
  • About author:Lu Haiping, Master candidate, Department of Orthopedics, Affiliated Hospital of Zunyi Medical University, Zunyi 563003, Guizhou Province, China
  • Supported by:
    the National Natural Science Foundation, No. 31960209 and 31760266 (both to WX); Basic Research Plan of Guizhou Provincial Department of Science and Technology, No. [2020]1Y093 (to WX)

Abstract: BACKGROUND: Large-segmental bone defect healing still remains as a critical challenge for orthopedic surgeons. Calcium ion is not only vital for the development of bone cells, angiogenesis and release of growth factors, but also can regulate osteogenesis by affecting the structure of blood clots.
OBJECTIVE: To review relevant domestic and foreign literatures, summarize the relationship between calcium ion and osteogenesis, and further understand the mechanism of calcium ion in osteogenesis, providing theoretical reference for new osteogenic strategies.
METHODS: CNKI, WanFang, VIP, and PubMed databases were searched for literatures regarding osteogenic role of calcium ions published from January 2000 to January 2021. Key words were “calcium, osteogenesis, mesenchymal stem cell, osteoblasts, osteoclasts, neovascularization, blood clots” in Chinese and English, respectively. Finally, 94 articles were included for review.
RESULTS AND CONCLUSION: Calcium ions are not only involved in the proliferation and differentiation of various osteogenesis-related cells (such as mesenchymal stem cells, osteoblasts, osteoclasts), but also involved in the osteogenesis by promoting angiogenesis and release of growth factors at defect sites. Recent studies have found that altered structure of blood clot at defect sites has a crucial impact on early bone healing, and calcium ions can regulate the structure of blood clots by regulating polymerization of fibrin. 

Key words: calcium ion, osteogenesis, osteocyte, blood clot

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