Wallerian demyelination: chronicle of a cellular cataclysm

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Abstract
Wallerian demyelination is characteristic of peripheral nerve degeneration after traumatic injury. After axonal degeneration, the myelinated Schwann cell undergoes a stereotypical cellular program that results in the disintegration of the myelin sheath, a process termed demyelination. In this review, we chronologically describe this program starting from the late and visible features of myelin destruction and going backward to the initial molecular steps that trigger the nuclear reprogramming few hours after injury. Wallerian demyelination is a wonderful model for myelin degeneration occurring in the diverse forms of demyelinating peripheral neuropathies that plague human beings.
Funding Information
  • European Research Council (FP7-IDEAS-ERC 311610)
  • ATIP-Avenir fund
  • National Research Foundation of Korea (2014R1A2A2A01002566, 2016R1A5A2007009)

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