TUBG1 missense variants underlying cortical malformations disrupt neuronal locomotion and microtubule dynamics but not neurogenesis

TUBG1 missense variants underlying cortical malformations disrupt neuronal locomotion and microtubule dynamics but not neurogenesis

New mutations and genes associated with malformations of cortical development keep being identified, yet there is little known about the underlying cellular mechanisms controlling these impairments. Here, authors generate and characterize a heterozygous TUBG1 knock-in mouse model bearing one of thes...

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Autores principales: Ekaterina L. Ivanova, Johan G. Gilet, Vadym Sulimenko, Arnaud Duchon, Gabrielle Rudolf, Karen Runge, Stephan C. Collins, Laure Asselin, Loic Broix, Nathalie Drouot, Peggy Tilly, Patrick Nusbaum, Alexandre Vincent, William Magnant, Valerie Skory, Marie-Christine Birling, Guillaume Pavlovic, Juliette D. Godin, Binnaz Yalcin, Yann Hérault, Pavel Dráber, Jamel Chelly, Maria-Victoria Hinckelmann
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2019
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Science
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Acceso en línea:https://doaj.org/article/70b73ea35c47483e83ff67156a41b716
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Sumario:New mutations and genes associated with malformations of cortical development keep being identified, yet there is little known about the underlying cellular mechanisms controlling these impairments. Here, authors generate and characterize a heterozygous TUBG1 knock-in mouse model bearing one of these known mutations and show that TUBG1 mutation leads to the miss-positioning of neurons in the cortical wall due to migration, because of defective microtubules dynamics, and not proliferation defects during corticogenesis.

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