Migrating Schwann cells direct axon regeneration within the peripheral nerve bridge.

Glia
Qing MinXin-Peng Dun

Abstract

Schwann cells within the peripheral nervous system possess a remarkable regenerative potential. Current research shows that peripheral nerve-associated Schwann cells possess the capacity to promote repair of multiple tissues including peripheral nerve gap bridging, skin wound healing, digit tip repair as well as tooth regeneration. One of the key features of the specialized repair Schwann cells is that they become highly motile. They not only migrate into the area of damaged tissue and become a key component of regenerating tissue but also secrete signaling molecules to attract macrophages, support neuronal survival, promote axonal regrowth, activate local mesenchymal stem cells, and interact with other cell types. Currently, the importance of migratory Schwann cells in tissue regeneration is most evident in the case of a peripheral nerve transection injury. Following nerve transection, Schwann cells from both proximal and distal nerve stumps migrate into the nerve bridge and form Schwann cell cords to guide axon regeneration. The formation of Schwann cell cords in the nerve bridge is key to successful peripheral nerve repair following transection injury. In this review, we first examine nerve bridge formation and the behavior ...Continue Reading

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Citations

Jul 1, 2021·Regenerative Medicine·Zhiwen YanCunyi Fan
Aug 8, 2021·International Journal of Molecular Sciences·Miguel E Domínguez-Romero, Paula G Slater
Oct 2, 2021·Neurotherapeutics : the Journal of the American Society for Experimental NeuroTherapeutics·Peter Arthur-Farraj, Michael P Coleman

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