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Mutations of the X-linked genes encoding neuroligins NLGN3 and NLGN4 are associated with autism.

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TLDR
The authors reported mutations in two X-linked genes encoding neuroligins NLGN3 and NLGN4 in siblings with autism spectrum disorders, which affect cell-adhesion molecules localized at the synapse and suggest that a defect of synaptogenesis may predispose to autism.
Abstract
Many studies have supported a genetic etiology for autism. Here we report mutations in two X-linked genes encoding neuroligins NLGN3 and NLGN4 in siblings with autism-spectrum disorders. These mutations affect cell-adhesion molecules localized at the synapse and suggest that a defect of synaptogenesis may predispose to autism.

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Citations
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Journal ArticleDOI

Synaptic, transcriptional and chromatin genes disrupted in autism

Silvia De Rubeis, +99 more
- 13 Nov 2014 - 
TL;DR: Using exome sequencing, it is shown that analysis of rare coding variation in 3,871 autism cases and 9,937 ancestry-matched or parental controls implicates 22 autosomal genes at a false discovery rate of < 0.05, plus a set of 107 genes strongly enriched for those likely to affect risk (FDR < 0.30).
Journal ArticleDOI

Model of autism: increased ratio of excitation/inhibition in key neural systems

TL;DR: In this paper, a model that postulates that some forms of autism are caused by an increased ratio of excitation/inhibition in sensory, mnemonic, social and emotional systems is proposed.
Journal ArticleDOI

Functional impact of global rare copy number variation in autism spectrum disorders

Dalila Pinto, +181 more
- 15 Jul 2010 - 
TL;DR: The genome-wide characteristics of rare (<1% frequency) copy number variation in ASD are analysed using dense genotyping arrays to reveal many new genetic and functional targets in ASD that may lead to final connected pathways.
Journal ArticleDOI

Spatio-temporal transcriptome of the human brain

TL;DR: The generation and analysis of exon-level transcriptome and associated genotyping data, representing males and females of different ethnicities, from multiple brain regions and neocortical areas of developing and adult post-mortem human brains, finds that 86 per cent of the genes analysed were expressed, and that 90 per cent were differentially regulated at the whole-transcript or exon level acrossbrain regions and/or time.
Journal ArticleDOI

Advances in autism genetics: on the threshold of a new neurobiology

TL;DR: Systems biology approaches, including array-based expression profiling, are poised to provide additional insights into this group of disorders, in which heterogeneity, both genetic and phenotypic, is emerging as a dominant theme.
References
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Journal ArticleDOI

Neuroligin expressed in nonneuronal cells triggers presynaptic development in contacting axons

TL;DR: The results suggest that neuroligins are part of the machinery employed during the formation and remodeling of CNS synapses, and addition of soluble beta-neurexin to a coculture of defined pre- and postsynaptic CNS neurons inhibits synaptic vesicle clustering in axons contacting target neurons.
Journal ArticleDOI

Genetics of autism: complex aetiology for a heterogeneous disorder.

TL;DR: The identification of chromosomal abnormalities and Mendelian syndromes among individuals with autism, in conjunction with data from genome screens and candidate-gene studies, has helped to refine the view of the complex genetics that underlies autism spectrum conditions.
Journal ArticleDOI

Neuroligin 1 is a postsynaptic cell-adhesion molecule of excitatory synapses

TL;DR: It is shown that neuroligin 1 is a synaptic cell-adhesion molecule that is enriched in postsynaptic densities where it may recruit receptors, channels, and signal-transduction molecules to synaptic sites of cell adhesion.
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