Chinese Journal of Tissue Engineering Research ›› 2021, Vol. 25 ›› Issue (19): 3057-3063.doi: 10.3969/j.issn.2095-4344.2199

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Stem cells, cytokines, hormones, neuropeptides and genes in traumatic brain trauma to promote fracture healing

Li Xiangze1, Bu Xianmin2, Li Dongmei3, Chi Yulei1, Su Qiang1, Jin Xintong1, Zhao Jian1, Zhang Gaotian1, Wu Bin3, Meng Chunyang3    

  1. 1Clinical Institute, Jining Medical University, Jining 272000, Shandong Province, China; 2Jining No. 1 People’s Hospital, Jining 272000, Shandong Province, China; 3Department of Orthopedics, Affiliated Hospital of Jining Medical University, Jining 272000, Shandong Province, China
  • Received:2020-03-14 Revised:2020-03-19 Accepted:2020-05-09 Online:2021-07-09 Published:2021-01-13
  • Contact: Wu Bin, MD, Associate chief physician, Department of Orthopedics, Affiliated Hospital of Jining Medical University, Jining 272000, Shandong Province, China
  • About author:Li Xiangze, Clinical Institute, Jining Medical University, Jining 272000, Shandong Province, China Bu Xianmin, Master, Associate chief physician, Jining No. 1 People’s Hospital, Jining 272000, Shandong Province, China Li Xiangze and Bu Xianmin contributed equally to this paper.
  • Supported by:
    the National Natural Science Foundation of China, No. 81572205 (to MCY); the Natural Science Foundation of Shandong Province, No. ZR2014CQ042 (to WB); the Supporting Fund for Teachers’ Research of Jining Medical University, No. JYFC2018FKJ048 (to WB); the Research Fund for Lin He’s Academician Workstation of New Medicine and Clinical Translation in Jining Medical University, No. JYHL2018FMS13 (to WB)

Abstract: BACKGROUND: Delayed fracture healing and nonunion are common complications in clinic. The mechanism of brain injury promoting fracture healing is the focus of current research.  
OBJECTIVE: To summarize the latest research progress on the mechanism of promoting fracture healing by traumatic brain injury, and provide theoretical basis for clinical application. 
METHODS: The first author searched CNKI, Wanfang, VIP, PubMed, Embase and Web of Science databases from January 2009 to March 2020. Search terms were “traumatic brain injury, fracture healing, bone marrow mesenchymal stem cells, fat stem cells, cytokines, hormones, neuropeptides, genes” in Chinese and English. Totally, 63 articles that met the inclusion criteria were selected. 
RESULTS AND CONCLUSION: Fracture healing is a complex and orderly pathological process, involving a variety of pathophysiological mechanisms and many factors affect bone regeneration. Large numbers of clinical studies have shown that traumatic brain injury can promote healing of fracture, but there is no systematic conclusion on the specific mechanism of fracture repair. Moreover, the current research is aimed at detection of the role of one or several factors alone. There are gaps in systematic research and dynamic detection of all relevant factors. Therefore, in the future clinical research, we should observe the expression of related factors at different time points during post-traumatic bone regeneration, and further explore the action mechanism of their interaction, so as to provide sufficient theoretical basis for clinical fracture nonunion, delayed fracture healing, heterotopic ossification and guide clinical treatment.

Key words: traumatic brain injury, fracture, bone marrow mesenchymal stem cells, fat stem cells, cytokines, hormones, neuropeptides, genes

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