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Chinese Journal of Injury Repair and Wound Healing(Electronic Edition) ›› 2021, Vol. 16 ›› Issue (04): 358-361. doi: 10.3877/cma.j.issn.1673-9450.2021.04.014

• Review • Previous Articles     Next Articles

Characteristics of annulus fibrosus-derived mesenchymal stem cells and research progress of its purification and screening methods

Shuguang Wang1, Wenjie Zhang2, Xinmin Feng3, Liping Nan3, Feng Wang3, Lei Zhu3, Tongchuan Cai3, Dong Chen3, Liang Zhang3,()   

  1. 1. Graduate School, Daliang Medical University, Dalian 116044, China
    2. Department of Orthopedics, The Affiliated International Zhuang Yi Hospital of Guangxi Chinese Medicine University, Nanning 530001, China
    3. Clinical Medical College of Yangzhou University, Yangzhou 225001, China
  • Received:2021-06-11 Online:2021-08-05 Published:2022-03-08
  • Contact: Liang Zhang

Abstract:

Annulus fibrosus is an important part of intervertebral disc, which plays a vital role in maintaining biomechanical stability and forming normal anatomical structure of intervertebral disc. Annulus fibrosus cell injury and apoptosis are the main causes of intervertebral disc degeneration. At present, the methods to repair annulus fibrosus mainly include genetic engineering, cell transplantation and tissue engineering. Previous studies have shown that annulus fibrosus-derived mesenchymal stem cells (AFMSC) can be isolated from annulus fibrosus tissue. However, the utilization of the stem cells isolated from the degenerated annulus fibrosus is restricted due to the difficulty in obtaining the annulus fibrosus specimen and the poor cell viability. In this paper, the proliferation characteristics, differentiation characteristics, separation and purification methods of AFMSC and the research progress in separation and purification are reviewed.

Key words: Mesenchymal stem cells, Stem cells, Intervertebral disk degeneration, Annulus fibrosus, Monoclonal culture

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