A neuronal PI(3,4,5)P3-dependent program of oligodendrocyte precursor recruitment and myelination.

Abstract:

:The molecular trigger of CNS myelination is unknown. By targeting Pten in cerebellar granule cells and activating the AKT1-mTOR pathway, we increased the caliber of normally unmyelinated axons and the expression of numerous genes encoding regulatory proteins. This led to the expansion of genetically wild-type oligodendrocyte progenitor cells, oligodendrocyte differentiation and de novo myelination of parallel fibers. Thus, a neuronal program dependent on the phosphoinositide PI(3,4,5)P3 is sufficient to trigger all steps of myelination.

journal_name

Nat Neurosci

journal_title

Nature neuroscience

authors

Goebbels S,Wieser GL,Pieper A,Spitzer S,Weege B,Yan K,Edgar JM,Yagensky O,Wichert SP,Agarwal A,Karram K,Renier N,Tessier-Lavigne M,Rossner MJ,Káradóttir RT,Nave KA

doi

10.1038/nn.4425

subject

Has Abstract

pub_date

2017-01-01 00:00:00

pages

10-15

issue

1

eissn

1097-6256

issn

1546-1726

pii

nn.4425

journal_volume

20

pub_type

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