Role of Stem Cells and Their Biomimetic Matrix Microenvironment in Regenerative Repair of Articular Cartilage: A Review

CAO Hong-fu, LI Zhu-lian, SUN Yong, FAN Yu-jiang, ZHANG Xing-dong

Abstract

It is difficult for the articular cartilage to self-heal any damage it may incur due to its lack of nerves and blood vessels. Development in stem cell technology provides new prospects for articular cartilage regeneration. Currently, stem cells from different sources and their diverse applications have demonstrated different degrees of therapeutic effect and potential in articular cartilage repair. However, stem cells are highly sensitive to their microenvironment. Therefore, more and more researchers are focusing their attention on regulating stem cells and thus accelerating cartilage regeneration through the biomimetic microenvironment constructed by biologically functional scaffolds. We reviewed in this paper the sources of the stem cells used for cartilage repair, the application method of these stem cells, as well as the therapeutic effect, mechanism and limitations in the application of stem cells synergizing with the biomimetic microenvironment in promoting articular cartilage repair and regeneration. We hoped to provide suggestions for practical clinical research in the design and improvement of biofunctional cartilage repair scaffolds that synergize with stem cells.

 

Keywords: Articular cartilage repair, Stem cell, Biofunctional scaffold materials, Biomimetic microenvironment

 

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