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Open AccessJournal ArticleDOI

From neural development to cognition: unexpected roles for chromatin

Jehnna L. Ronan, +2 more
- 01 May 2013 - 
- Vol. 14, Iss: 5, pp 347-359
TLDR
Interestingly, mutations in EZH2 and certain BAF complex components have roles in both neurodevelopmental disorders and cancer, and overlapping point mutations are suggesting functionally important residues and domains.
Abstract
Recent genome-sequencing studies in human neurodevelopmental and psychiatric disorders have revealed mutations in chromatin-modifying enzymes, such as chromatin remodellers and histone-modifying enzymes. Such studies are improving our understanding of the roles of these modifiers in human neurodevelopment, and this article discusses the emerging roles for several of these enzymes in development and disease.

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Journal ArticleDOI

Heterochromatin remodeling by CDK12 contributes to learning in Drosophila.

TL;DR: It is shown that cyclin-dependent kinase 12 (CDK12), a transcription elongation-associated RNA polymerase II (RNAPII) kinase, antagonizes heterochromatin enrichment in Drosophila chromosomes, which defines a previously unidentified role of CDK12 in controlling the epigenetic transition between euchromatin and heterochromaatin and suggest a chromatin regulatory mechanism in neuronal behaviors.
Journal ArticleDOI

Connecting the dots: Overlaps between autism and cancer suggest possible common mechanisms regarding signaling pathways related to metabolic alterations.

TL;DR: It is hypothesize that further studies focusing on illuminating the relationships between ASDs and cancer, specifically with regard to signaling pathways that regulate metabolic activities, could help shed new insight on these conditions and develop treatment strategies that, by targeting underlying mechanisms, may be more efficient and effective for both conditions.
Journal ArticleDOI

Reprogramming human fibroblasts to neurons by recapitulating an essential microRNA-chromatin switch.

TL;DR: The development of the vertebrate nervous system requires a switch of ATP-dependent chromatin remodeling mechanisms, which occurs by substituting subunits within these complexes near cell cycle exit, which plays genetically dominant roles in several human neurologic diseases.
Journal ArticleDOI

The role of ARID1B, a BAF chromatin remodeling complex subunit, in neural development and behavior.

TL;DR: The utility of the Arid1b heterozygous mouse model in neurodevelopmental and psychiatric research is discussed and some of the opportunities and potential challenges in developing translational applications for humans are discussed.
References
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Journal ArticleDOI

An integrated encyclopedia of DNA elements in the human genome

TL;DR: The Encyclopedia of DNA Elements project provides new insights into the organization and regulation of the authors' genes and genome, and is an expansive resource of functional annotations for biomedical research.
Journal ArticleDOI

Translating the Histone Code

TL;DR: It is proposed that this epigenetic marking system represents a fundamental regulatory mechanism that has an impact on most, if not all, chromatin-templated processes, with far-reaching consequences for cell fate decisions and both normal and pathological development.
Journal ArticleDOI

Functions of DNA methylation: islands, start sites, gene bodies and beyond

TL;DR: Improved genome-scale mapping of methylation allows us to evaluate DNA methylation in different genomic contexts: transcriptional start sites with or without CpG islands, in gene bodies, at regulatory elements and at repeat sequences.
Journal ArticleDOI

Rett syndrome is caused by mutations in X-linked MECP2, encoding methyl-CpG-binding protein 2.

TL;DR: This study reports the first disease-causing mutations in RTT and points to abnormal epigenetic regulation as the mechanism underlying the pathogenesis of RTT.
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Patterns and rates of exonic de novo mutations in autism spectrum disorders

Synaptic, transcriptional and chromatin genes disrupted in autism

Silvia De Rubeis, +99 more
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