Cytoskeleton dynamics in axon regeneration.

Abstract:

:Recent years have seen cytoskeleton dynamics emerging as a key player in axon regeneration. The cytoskeleton, in particular microtubules and actin, ensures the growth of neuronal processes and maintains the singular, highly polarized shape of neurons. Following injury, adult central axons are tipped by a dystrophic structure, the retraction bulb, which prevents their regeneration. Abnormal cytoskeleton dynamics are responsible for the formation of this growth-incompetent structure but pharmacologically modulating cytoskeleton dynamics of injured axons can transform this structure into a growth-competent growth cone. The cytoskeleton also drives the migration of scar-forming cells after an injury. Targeting its dynamics modifies the composition of the inhibitory environment formed by scar tissue and renders it more permissive for regenerating axons. Hence, cytoskeleton dynamics represent an appealing target to promote axon regeneration. As some of cytoskeleton-targeting drugs are used in the clinics for other purposes, they hold the promise to be used as a basis for a regenerative therapy after a spinal cord injury.

journal_name

Curr Opin Neurobiol

authors

Blanquie O,Bradke F

doi

10.1016/j.conb.2018.02.024

subject

Has Abstract

pub_date

2018-08-01 00:00:00

pages

60-69

eissn

0959-4388

issn

1873-6882

pii

S0959-4388(18)30008-4

journal_volume

51

pub_type

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