Article (Scientific journals)
GDNF/GFRα1 Complex Abrogates Self-Renewing Activity of Cortical Neural Precursors Inducing Their Differentiation.
Bonafina, Antonela; Fontanet, Paula Aldana; Paratcha, Gustavo et al.
2018In Stem Cell Reports, 10 (3), p. 1000-1015
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Keywords :
Signal Transduction/physiology; GDNF; GFRα1; cortical precursors; neuronal differentiation; postmitotic neurons
Abstract :
[en] The balance between factors leading to proliferation and differentiation of cortical neural precursors (CNPs) determines the correct cortical development. In this work, we show that GDNF and its receptor GFRα1 are expressed in the neocortex during the period of cortical neurogenesis. We show that the GDNF/GFRα1 complex inhibits the self-renewal capacity of mouse CNP cells induced by fibroblast growth factor 2 (FGF2), promoting neuronal differentiation. While GDNF leads to decreased proliferation of cultured cortical precursor cells, ablation of GFRα1 in glutamatergic cortical precursors enhances its proliferation. We show that GDNF treatment of CNPs promoted morphological differentiation even in the presence of the self-renewal-promoting factor, FGF2. Analysis of GFRα1-deficient mice shows an increase in the number of cycling cells during cortical development and a reduction in dendrite development of cortical GFRα1-expressing neurons. Together, these results indicate that GDNF/GFRα1 signaling plays an essential role in regulating the proliferative condition and the differentiation of cortical progenitors.
Disciplines :
Biochemistry, biophysics & molecular biology
Author, co-author :
Bonafina, Antonela ;  Université de Liège - ULiège > Stem Cells-Molecular Regulation of Neurogenesis
Fontanet, Paula Aldana
Paratcha, Gustavo
Ledda, Fernanda
Language :
English
Title :
GDNF/GFRα1 Complex Abrogates Self-Renewing Activity of Cortical Neural Precursors Inducing Their Differentiation.
Publication date :
2018
Journal title :
Stem Cell Reports
eISSN :
2213-6711
Publisher :
Elsevier, Netherlands
Volume :
10
Issue :
3
Pages :
1000-1015
Peer reviewed :
Peer Reviewed verified by ORBi
Commentary :
Copyright © 2018 The Authors. Published by Elsevier Inc. All rights reserved.
Available on ORBi :
since 08 June 2020

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