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MCF2 is linked to a complex perisylvian syndrome and affects cortical lamination

By Aude Molinard-Chenu, Joël Fluss, Sacha Laurent, Michel Guipponi, A. Dayer

Posted 13 Aug 2019
bioRxiv DOI: 10.1101/733444 (published DOI: 10.1002/acn3.50949)

The combination of congenital bilateral perisylvian syndrome (CBPS) with lower motor neuron dysfunction is unusual and suggests a potential common genetic insult affecting basic neurodevelopmental processes. Here we identify a putatively pathogenic missense mutation in the MCF2 gene in a boy with CBPS. Using in utero electroporation to genetically manipulate cortical neurons during corticogenesis, we demonstrate that the mouse Mcf2 gene controls the embryonic migration of cortical projection neurons. Strikingly, we find that the CBPS-associated MCF2 mutation impairs cortical laminar positioning, supporting the hypothesis that alterations in the process of embryonic neuronal migration can lead to rare cases of CBPS.

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