De Novo Insertions and Deletions of Predominantly Paternal Origin Are Associated with Autism Spectrum Disorder

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De novo insertions and deletions of predominantly paternal origin are associated with autism spectrum disorder.

Whole-exome sequencing (WES) studies have demonstrated the contribution of de novo loss-of-function single-nucleotide variants (SNVs) to autism spectrum disorder (ASD). However, challenges in the reliable detection of de novo insertions and deletions (indels) have limited inclusion of these variants in prior analyses. By applying a robust indel detection method to WES data from 787 ASD families...

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Inherited and de novo SHANK2 variants associated with autism spectrum disorder impair neuronal morphogenesis and physiology

Mutations in the postsynaptic scaffolding gene SHANK2 have recently been identified in individuals with autism spectrum disorder (ASD) and intellectual disability. However, the cellular and physiological consequences of these mutations in neurons remain unknown. We have analyzed the functional impact caused by two inherited and one de novo SHANK2 mutations from ASD individuals (L1008_P1009dup, ...

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A de novo dominant mutation in KIF1A associated with axonal neuropathy, spasticity and autism spectrum disorder

Mutations in the kinesin family member 1A (KIF1A) gene have been associated with a wide range of phenotypes including recessive mutations causing hereditary sensory neuropathy and hereditary spastic paraplegia and de novo dominant mutations causing a more complex neurological disorder affecting both the central and peripheral nervous system. We identified by exome sequencing a de novo dominant ...

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Zn2+ reverses functional deficits in a de novo dopamine transporter variant associated with autism spectrum disorder

Our laboratory recently characterized a novel autism spectrum disorder (ASD)-associated de novo missense mutation in the human dopamine transporter (hDAT) gene SLC6A3 (hDAT T356M). This hDAT variant exhibits dysfunctional forward and reverse transport properties that may contribute to DA dysfunction in ASD. Here, we report that Zn(2+) reverses, at least in part, the functional deficits of ASD-a...

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Phenotypic spectrum associated with de novo and inherited deletions and duplications at 16p11.2 in individuals ascertained for diagnosis of autism spectrum disorder.

BACKGROUND Recurrent microdeletions and microduplications of approximately 555 kb at 16p11.2 confer susceptibility to autism spectrum disorder (ASD) in up to 1% of ASD patients. No physical or behavioural features have been identified that distinguish these individuals as having a distinct ASD subtype, but clinical data are limited. METHODS We report five autistic probands identified by micro...

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ژورنال

عنوان ژورنال: Cell Reports

سال: 2014

ISSN: 2211-1247

DOI: 10.1016/j.celrep.2014.08.068