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Extrinsic and intrinsic regulation of axon regeneration at a crossroads

Extrinsic and intrinsic regulation of axon regeneration at a crossroads

Frontiers in Molecular Neuroscience 8: 27

Repair of the injured spinal cord is a major challenge in medicine. The limited intrinsic regenerative response mounted by adult central nervous system (CNS) neurons is further hampered by astrogliosis, myelin debris and scar tissue that characterize the damaged CNS. Improved axon regeneration and recovery can be elicited by targeting extrinsic factors as well as by boosting neuron-intrinsic growth regulators. Our knowledge of the molecular basis of intrinsic and extrinsic regulators of regeneration has expanded rapidly, resulting in promising new targets to promote repair. Intriguingly certain neuron-intrinsic growth regulators are emerging as promising targets to both stimulate growth and relieve extrinsic inhibition of regeneration. This crossroads between the intrinsic and extrinsic aspects of spinal cord injury is a promising target for effective therapies for this unmet need.

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Accession: 057851168

Download citation: RISBibTeXText

PMID: 26136657

DOI: 10.3389/fnmol.2015.00027

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