Article (Scientific journals)
Adhesion dynamics in the neocortex determine the start of migration and the post-migratory orientation of neurons.
Epifanova, Ekaterina; Salina, Valentina; Lajkó, Denis et al.
2021In Science Advances, 7 (27)
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Abstract :
[en] The neocortex is stereotypically organized into layers of excitatory neurons arranged in a precise parallel orientation. Here we show that dynamic adhesion both preceding and following radial migration is essential for this organization. Neuronal adhesion is regulated by the Mowat-Wilson syndrome-associated transcription factor Zeb2 (Sip1/Zfhx1b) through direct repression of independent adhesion pathways controlled by Neuropilin-1 (Nrp1) and Cadherin-6 (Cdh6). We reveal that to initiate radial migration, neurons must first suppress adhesion to the extracellular matrix. Zeb2 regulates the multipolar stage by transcriptional repression of Nrp1 and thereby downstream inhibition of integrin signaling. Upon completion of migration, neurons undergo an orientation process that is independent of migration. The parallel organization of neurons within the neocortex is controlled by Cdh6 through atypical regulation of integrin signaling via its RGD motif. Our data shed light on the mechanisms that regulate initiation of radial migration and the postmigratory orientation of neurons during neocortical development.
Disciplines :
Anatomy (cytology, histology, embryology...) & physiology
Author, co-author :
Epifanova, Ekaterina  ;  Université de Liège - ULiège > Département des sciences biomédicales et précliniques ; Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin
Salina, Valentina ;  Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin,  ; Institute of Neuroscience, Lobachevsky University of Nizhny Novgorod, Nizhny
Lajkó, Denis;  Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin,
Textoris-Taube, Kathrin;  Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin,
Naumann, Thomas;  Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin,
Bormuth, Olga;  Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin,
Bormuth, Ingo;  Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin,
Horan, Stephen;  Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin,
Schaub, Theres ;  Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin
Borisova, Ekaterina ;  Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin,  ; Institute of Neuroscience, Lobachevsky University of Nizhny Novgorod, Nizhny
Ambrozkiewicz, Mateusz C ;  Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin
Tarabykin, Victor ;  Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin,  ; Institute of Neuroscience, Lobachevsky University of Nizhny Novgorod, Nizhny
Rosário, Marta ;  Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin
More authors (3 more) Less
Language :
English
Title :
Adhesion dynamics in the neocortex determine the start of migration and the post-migratory orientation of neurons.
Publication date :
July 2021
Journal title :
Science Advances
eISSN :
2375-2548
Publisher :
American Association for the Advancement of Science (AAAS), Washington, Us dc
Volume :
7
Issue :
27
Peer reviewed :
Peer Reviewed verified by ORBi
Commentary :
Copyright © 2021 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC).
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since 24 May 2023

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