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RNA-Seq analysis of wild-type and Hdac3-null E16.5 neurospheres and P0 cerebral cortex

ABSTRACT: RNA-Seq analysis of wild-type and Hdac3-null E16.5 neurospheres and P0 cerebral cortex

PROVIDER: PRJNA550355 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR9588140_1.fastq.gz	Fastqsanger.gz
	SRR9588140_2.fastq.gz	Fastqsanger.gz
	SRR9588141_1.fastq.gz	Fastqsanger.gz
	SRR9588141_2.fastq.gz	Fastqsanger.gz
	SRR9588142_1.fastq.gz	Fastqsanger.gz

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RNA-Seq analysis of wild-type and Hdac3-null E16.5 neurospheres and P0 cerebral cortex

Project description:Histone deacetylase 3 (HDAC3) is a unique epigenetic regulator forming stoichiometric complexes with several other proteins. Patients with mutations in genes encoding these proteins display intellectual disability, implying an important role of HDAC3 in this prevalent disease. Here we report that cerebrum-specific inactivation of the mouse gene causes striking developmental defects in the neocortex, hippocampus and corpus callosum; post-weaning lethality; and abnormal behaviors, including hyperactivity and anxiety. The developmental defects are due to rapid loss of neural stem and progenitor cells (NSPCs), starting at E14.5. Premature neurogenesis and abnormal neuronal migration in the mutant brain alter NSPC homeostasis. Mutant cerebral cortices display augmented DNA damage, apoptosis, and histone hyperacetylation. In agreement with these results, mutant NSPCs are impaired in forming neurospheres in vitro, and treatment of wild-type NSPCs with the HDAC3-specific inhibitor RGFP966 abolishes neurosphere formation. Transcriptomic analyses of neonatal cerebral cortices and cultured neurospheres support that HDAC3 regulates various transcriptional programs through interaction with multiple transcription factors, including NFIB. These findings establish HDAC3 as a major deacetylase critical for perinatal development of the mouse cerebrum and NSPCs, thereby suggesting a direct link of this enzymatic epigenetic regulator to human cerebral and intellectual development. To study the impact of cerebrum specific (Emx1-Cre) deletion of Hdac3 on embryonic neurospheres (cultured in vitro from E16.5 cerebrum) and neocortex from newborn pups (P0).

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Transcription profiling of different regions of E16.5 mouse cerebral cortex to identify region- and layer-specific genes.

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P0 kidney samples

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Expression data from Ankrd11Yod/+ and WT embryonic cortical neurospheres

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