Issue 32, 2021

Engineering topography: effects on nerve cell behaviors and applications in peripheral nerve repair

Abstract

There have been extensive studies on the application of topography in the field of tissue repair. A common feature of these studies is that the existence of topological structures in tissue repair scaffolds can effectively regulate a series of behaviors of cells and play a positive role in a variety of tissue repair and regeneration processes. This review focuses on the application of topography in the field of peripheral nerve repair. The integration of the topological structure and biomaterials to construct peripheral nerve conduits to mimic a natural peripheral nerve structure has an important role in promoting the recovery of peripheral nerve function. Therefore, in this review, we systematically analysed the structure of peripheral nerves and summarized the effects of topographic cues of different scales and shapes on the behaviors of nerve cells, including cell morphology, adhesion, proliferation, migration and differentiation. Furthermore, the application and performance of scaffolds with different topological structures in peripheral nerve repair are also discussed. This systematic summary may help to provide more effective strategies for peripheral nerve regeneration (PNR) and shed light on nervous tissue engineering and regenerative medicine.

Graphical abstract: Engineering topography: effects on nerve cell behaviors and applications in peripheral nerve repair

Article information

Article type
Review Article
Submitted
09 avr. 2021
Accepted
30 juin 2021
First published
03 juil. 2021

J. Mater. Chem. B, 2021,9, 6310-6325

Engineering topography: effects on nerve cell behaviors and applications in peripheral nerve repair

Y. Ma, H. Gao, H. Wang and X. Cao, J. Mater. Chem. B, 2021, 9, 6310 DOI: 10.1039/D1TB00782C

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