Intrinsic mechanisms regulating axon regeneration: an integrin perspective

Eva, Richard, Andrews, Melissa R, Franssen, Elske H P and Fawcett, James W (2012) Intrinsic mechanisms regulating axon regeneration: an integrin perspective. International Review of Neurobiology, 106, 75-104. (doi:10.1016/B978-0-12-407178-0.00004-1).

Record type: Review

Abstract

Adult central nervous system (CNS) axons fail to regenerate after injury because of inhibitory factors in the surrounding environment and a low intrinsic regenerative capacity. Axons in the adult peripheral nervous system have a higher regenerative capacity, due in part to the presence of certain integrins-receptors for the extracellular matrix. Integrins are critical for axon growth during the development of the nervous system but are absent from some adult CNS axons. Here, we discuss the intrinsic mechanisms that regulate axon regeneration and examine the role of integrins. As correct localization is paramount to integrin function, we further discuss the mechanisms that regulate integrin traffic toward the axonal growth cone.

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