1.Development and Application of Three-Dimensional Bioprinting Scaffold in the Repair of Spinal Cord Injury
Dezhi LU ; Yang YANG ; Pingping ZHANG ; Zhenjiang MA ; Wentao LI ; Yan SONG ; Haiyang FENG ; Wenqiang YU ; Fuchao REN ; Tao LI ; Hong ZENG ; Jinwu WANG
Tissue Engineering and Regenerative Medicine 2022;19(6):1113-1127
Spinal cord injury (SCI) is a disabling and destructive central nervous system injury that has not yet been successfully treated at this stage. Three-dimensional (3D) bioprinting has become a promising method to produce more biologically complex microstructures, which fabricate living neural constructs with anatomically accurate complex geometries and spatial distributions of neural stem cells, and this is critical in the treatment of SCI. With the development of 3D printing technology and the deepening of research, neural tissue engineering research using different printing methods, bio-inks, and cells to repair SCI has achieved certain results. Although satisfactory results have not yet been achieved, they have provided novel ideas for the clinical treatment of SCI. Considering the potential impact of 3D bioprinting technology on neural studies, this review focuses on 3D bioprinting methods widely used in SCI neural tissue engineering, and the latest technological applications of bioprinting of nerve tissues for the repair of SCI are discussed. In addition to introducing the recent progress, this work also describes the existing limitations and highlights emerging possibilities and future prospects in this field.
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