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Bio-Design and Manufacturing  2024 Vol.7 No.5 P.747-770

http://doi.org/10.1007/s42242-024-00291-5


Advanced Strategies for 3D-Printed Neural Scaffolds: Materials, Structure, and Nerve Remodeling


Author(s):  Jian He, Liang Qiao, Jiuhong Li, Junlin Lu, Zhouping Fu, Jiafang Chen, Xiangchun Zhang, Xulin Hu

Affiliation(s):  College of Basic Medicine and Forensic Medicine, Henan University of Science and Technology, Luoyang 471023, China; more

Corresponding email(s):   huxulin1993@163.com, zhangxc@tricaas.com, qiaoliangjoy@gmail.com

Key Words:  Nerve regeneration, 3D printing based neural scaffolds, biomaterials, nervous system, design strategies


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Jian He, Liang Qiao, Jiuhong Li, Junlin Lu, Zhouping Fu, Jiafang Chen, Xiangchun Zhang, Xulin Hu. Advanced Strategies for 3D-Printed Neural Scaffolds: Materials, Structure, and Nerve Remodeling[J]. Journal of Zhejiang University Science D, 2024, 7(5): 747-770.

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Abstract: 
nerve regeneration holds significant potential in the treatment of various skeletal and neurological disorders to restore lost sensory and motor functions. The potential of nerve regeneration in ameliorating neurological diseases and injuries is critical to human health. Three-dimensional (3D) printing offers versatility and precision in the fabrication of neural scaffolds. Complex neural structures such as neural tubes and scaffolds can be fabricated via 3D printing. This review comprehensively analyzes the current state of 3D-printed neural scaffolds and explores strategies to enhance their design. It highlights therapeutic strategies and structural design involving neural materials and stem cells. First, nerve regeneration materials and their fabrication techniques are outlined. The applications of conductive materials in neural scaffolds are reviewed, and their potential to facilitate neural signal transmission and regeneration is highlighted. Second, the progress in 3D-printed neural scaffolds applied to the peripheral and central nerves is comprehensively evaluated, and their potential to restore neural function and promote the recovery of different nervous systems is emphasized. In addition, various applications of 3D-printed neural scaffolds in peripheral and neurological diseases, as well as the design strategies of multifunctional biomimetic scaffolds, are discussed.

成都大学胡旭麟博士等 | 3D打印神经再生支架材料、结构及神经重塑策略

本综述论文聚焦于神经再生支架制造及3D打印神经再生支架的最新发展趋势和相关研究进展。神经再生对于治疗严重影响人类健康的骨科及神经系统疾病领域至关重要,其再生过程涉及各种细胞类型和信号通路之间复杂的相互作用。与手术和药物治疗相比,3D打印技术可以制造各种尺寸和形状的复杂结构支架和导管。3D打印还可以构建神经模型模仿神经的结构特性,有助于研究人员研究疾病机制和开发新疗法。3D打印支架虽然可实现高度仿生,但仍难以匹配复杂的神经环境。3D打印技术结合多种生物材料和药物,可以加速神经系统的病理研究和临床治疗,有望推动神经再生领域的发展与应用。文章在介绍基于3D打印技术构建神经再生支架的生物材料的基础上,系统阐述和分析如何提高支架神经再生能力和研发策略。

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