Journal
NATURE REVIEWS NEUROSCIENCE
Volume 21, Issue 4, Pages 183-196Publisher
NATURE PORTFOLIO
DOI: 10.1038/s41583-020-0269-3
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Funding
- BBSRC [BB/S009582/1] Funding Source: UKRI
- MRC [MR/N004582/1, G1000702] Funding Source: UKRI
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In recent decades, our understanding of the molecules and pathways involved in the classical axon degeneration pathway, Wallerian degeneration, has been transformed. Coleman and Hoke synthesize the recent developments in the field and discuss how the findings might be translated to aid the treatment of human disease. Wallerian degeneration is a widespread mechanism of programmed axon degeneration. In the three decades since the discovery of the Wallerian degeneration slow (Wld(S)) mouse, research has generated extensive knowledge of the molecular mechanisms underlying Wallerian degeneration, demonstrated its involvement in non-injury disorders and found multiple ways to block it. Recent developments have included: the detection of NMNAT2 mutations that implicate Wallerian degeneration in rare human diseases; the capacity for lifelong rescue of a lethal condition related to Wallerian degeneration in mice; the discovery of 'druggable' enzymes, including SARM1 and MYCBP2 (also known as PHR1), in Wallerian pathways; and the elucidation of protein structures to drive further understanding of the underlying mechanisms and drug development. Additionally, new data have indicated the potential of these advances to alleviate a number of common disorders, including chemotherapy-induced and diabetic peripheral neuropathies, traumatic brain injury, and amyotrophic lateral sclerosis.
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