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TOPIC

Genes

Rare or common, inherited or spontaneous, mutations form the core of autism risk.

May 2021
Teen girl up at night, looking at her computer.

Childhood autism traits linked to hypomania in adolescence

by  /  10 May 2021

Children with autism traits tend to show agitation, excitability, decreased sleep and other mild signs of mania in adolescence; the association is higher in identical twins than fraternal twins, suggesting that genetics plays a role.

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Genes tied to autism, developmental delay, schizophrenia share functions

by  /  7 May 2021

Many genes linked to autism, schizophrenia and neurodevelopmental delay regulate gene expression and support communication between neurons.

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Neurons in red and green

‘Neurons on a chip’ reveal patterns across autism-linked conditions

by  /  7 May 2021

Activity patterns of neuronal networks link different genetic subtypes of autism that have similar traits, according to new unpublished research.

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Computer screenshot showing bands of colour resulting from sequenced DNA.

Largest autism genetics analysis to date uncovers more high-confidence candidates

by  /  6 May 2021

The largest-yet study of genetic data from autistic people has identified 255 genes associated with the condition.

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Chart compiling the deletions and duplications linked to various neurodevelopmental traits.

Massive analysis scores genes’ sensitivity to mutations

by  /  5 May 2021

Researchers have rated more than 17,000 genes, including many linked to autism and other neuropsychiatric conditions, according to their sensitivity to deletions and duplications.

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Computer screen reflection in spectacles of DNA profile, close up of face

New ranking system flags clinically relevant ‘autism genes’

by  /  5 May 2021

A novel method to evaluate the strength of the evidence linking autism to specific genes could reveal which ones are most useful to screen for.

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Mouse gut cells in blue, purple and pink

Loss of top autism-linked gene from gut alters behavior in mice

by  /  4 May 2021

Deleting CHD8 from the intestines induces gastrointestinal and behavioral changes in mice that resemble traits in people with mutations in the gene.

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brainstem of rats in red, green and blue highlight higher levels of GABA.

GABA agonist rescues auditory hypersensitivity in rats missing autism-linked gene CNTNAP2

by  /  3 May 2021

The investigational drug arbaclofen may right an imbalance between inhibitory and excitatory signaling in the animals’ brains.

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young woman sitting on steps alone, looking anxious.

Anxiety, self-harm elevated in people with DDX3X syndrome

by  /  3 May 2021

Girls and women with mutations in the autism-linked gene DDX3X may be particularly vulnerable to anxiety and self-harm.

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April 2021
Two views of mouse brain slices colorized in green and red.

Jump-starting growth signaling reverses microcephaly in autism mouse model

by  /  29 April 2021

A genetic therapy and an existing drug both restore typical brain size in mice missing DYRK1A, a top autism candidate gene, in the cerebral cortex, a new study shows. The animals typically have smaller brains than controls.

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