Molecular analysis of axonal-intrinsic and glial-associated co-regulation of axon degeneration.

Abstract:

:Wallerian degeneration is an active program tightly associated with axonal degeneration, required for axonal regeneration and functional recovery after nerve damage. Here we provide a functional molecular foundation for our undertstanding of the complex non-cell autonomous role of glial cells in the regulation of axonal degeneration. To shed light on the complexity of the molecular machinery governing axonal degeneration we employ a multi-model, unbiased, in vivo approach combining morphological assesment and quantitative proteomics with in silico-based higher order functional clustering to genetically uncouple the intrinsic and extrinsic processes governing Wallerian degeneration. Highlighting a pivotal role for glial cells in the early stages fragmenting the axon by a cytokinesis-like process and a cell autonomous stage of axonal disintegration associated to mitochondrial dysfunction.

journal_name

Cell Death Dis

journal_title

Cell death & disease

authors

Catenaccio A,Llavero Hurtado M,Diaz P,Lamont DJ,Wishart TM,Court FA

doi

10.1038/cddis.2017.489

subject

Has Abstract

pub_date

2017-11-09 00:00:00

pages

e3166

issue

11

issn

2041-4889

pii

cddis2017489

journal_volume

8

pub_type

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