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Spectrum: Autism Research News

TOPIC

Genes

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

January 2011

Intense world

by  /  31 January 2011

The ‘intense world theory’ says autism stems from hyper-sensitive reactions to the world, allowing the individual to zoom in on tiny details, but ignore the bigger picture.

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Genetics: Rare mutation found in gene linked to autism

by  /  31 January 2011

Researchers have identified a rare genetic variant linked to autism in DLX1, a gene that regulates the growth of neurons, they reported in December in the American Journal of Medical Genetics.

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Risk of autism spikes for children of older men

by  /  28 January 2011

A man’s risk of fathering a child with autism begins to rise at age 30 and significantly increases after age 50, according to a report published online 30 November in Molecular Psychiatry.

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Genetics: Changes in the womb linked to autism in the child

by  /  25 January 2011

High levels of serotonin in the womb may up the risk of autism in the child, according to a study published in December in the American Journal of Medical Genetics.

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Brain-wave patterns bolster mouse models of autism

by  /  25 January 2011

Mice exposed to an epilepsy drug show several features of autism, including abnormal social interactions, repetitive behaviors and patterns of super-fast brain waves, called gamma oscillations, according to a study published 15 December in Biological Psychiatry.

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Genetics: Including gender improves autism genetics research

by  /  24 January 2011

Accounting for gender increases the power of family-wide studies linking genetic mutations with autism, according to a study published in December in Molecular Psychiatry. The researchers use this approach to identify two candidate genes for the disorder.

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New drug rescues function in fragile X syndrome

by  /  20 January 2011

A new drug appears to relieve symptoms of fragile X syndrome by blocking the over-production of a key protein in a subset of people with the disorder, according to a 6 January study in Science Translational Medicine.

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Molecular mechanisms: Scientists debut fruit fly ‘connectome’

by  /  19 January 2011

Using tricks of genetic engineering, researchers in Taiwan have created the first comprehensive map of the myriad neuronal connections in the fruit fly brain. The findings appeared 11 January in Current Biology.

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Cognition and behavior: Face processing skill runs in families

by  /  18 January 2011

Relatives of individuals with autism recognize faces and emotions better than people with autism do, but not as well as typically developing controls do, according to a study published in December in Autism Research.

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Genetics: DNA duplications have far-reaching effects

by  /  17 January 2011

Copy number variations, or CNVs — duplications or deletions of DNA segments — can influence the expression of unrelated genes on the same chromosome, according to a study published in November in PLOS Biology.

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