Article (Scientific journals)
De Novo Mutations in DENR Disrupt Neuronal Development and Link Congenital Neurological Disorders to Faulty mRNA Translation Re-initiation.
Haas, Matilda A.; Ngo, Linh; Li, Shan Shan et al.
2016In Cell Reports
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Abstract :
[en] Disruptions to neuronal mRNA translation are hypothesized to underlie human neurodevelopmental syndromes. Notably, the mRNA translation re-initiation factor DENR is a regulator of eukaryotic translation and cell growth, but its mammalian functions are unknown. Here, we report that Denr influences the migration of murine cerebral cortical neurons in vivo with its binding partner Mcts1, whereas perturbations to Denr impair the long-term positioning, dendritic arborization, and dendritic spine characteristics of postnatal projection neurons. We characterized de novo missense mutations in DENR (p.C37Y and p.P121L) detected in two unrelated human subjects diagnosed with brain developmental disorder to find that each variant impairs the function of DENR in mRNA translation re-initiation and disrupts the migration and terminal branching of cortical neurons in different ways. Thus, our findings link human brain disorders to impaired mRNA translation re-initiation through perturbations in DENR (OMIM: 604550) function in neurons.
Disciplines :
Human health sciences: Multidisciplinary, general & others
Author, co-author :
Haas, Matilda A.
Ngo, Linh
Li, Shan Shan
Schleich, Sibylle
Qu, Zhengdong
Vanyai, Hannah K.
Cullen, Hayley D.
Cardona-Alberich, Aida
Gladwyn-Ng, Ivan ;  Université de Liège > Giga - Neurosciences
Pagnamenta, Alistair T.
Taylor, Jenny C.
Stewart, Helen
Kini, Usha
Duncan, Kent E.
Teleman, Aurelio A.
Keays, David A.
Heng, Julian I.-T.
More authors (7 more) Less
Language :
English
Title :
De Novo Mutations in DENR Disrupt Neuronal Development and Link Congenital Neurological Disorders to Faulty mRNA Translation Re-initiation.
Publication date :
2016
Journal title :
Cell Reports
eISSN :
2211-1247
Publisher :
Elsevier
Peer reviewed :
Peer Reviewed verified by ORBi
Commentary :
Copyright (c) 2016 The Author(s). Published by Elsevier Inc. All rights reserved.
Available on ORBi :
since 02 June 2016

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