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Title

Chd7 is indispensable for mammalian brain development through activation of a neuronal differentiation programme

AuthorsFeng, Weijun; Lieberman, Jenna Ariel ; Jimeno-González, Silvia ; Cortés-Ledesma, Felipe ; Liu, Hai-Kun
Issue Date2017
PublisherNature Publishing Group
CitationNature Communications 8: 14758 (2017)
AbstractMutations in chromatin modifier genes are frequently associated with neurodevelopmental diseases. We herein demonstrate that the chromodomain helicase DNA-binding protein 7 (Chd7), frequently associated with CHARGE syndrome, is indispensable for normal cerebellar development. Genetic inactivation of Chd7 in cerebellar granule neuron progenitors leads to cerebellar hypoplasia in mice, due to the impairment of granule neuron differentiation, induction of apoptosis and abnormal localization of Purkinje cells, which closely recapitulates known clinical features in the cerebella of CHARGE patients. Combinatory molecular analyses reveal that Chd7 is required for the maintenance of open chromatin and thus activation of genes essential for granule neuron differentiation. We further demonstrate that both Chd7 and Top2b are necessary for the transcription of a set of long neuronal genes in cerebellar granule neurons. Altogether, our comprehensive analyses reveal a mechanism with chromatin remodellers governing brain development via controlling a core transcriptional programme for cell-specific differentiation.
DescriptionFeng, Weijun et al.
Publisher version (URL)https://doi.org/10.1038/ncomms14758
URIhttp://hdl.handle.net/10261/165442
Identifiersdoi: 10.1038/ncomms14758
e-issn: 2041-1723
Appears in Collections:(CABIMER) Artículos
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