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Spectrum: Autism Research News

Tag: microcephaly

October 2021
Two colorful mouse neurons seen side by side on black, one has a mutation.

Precocious neurons may stunt brain growth in rare form of autism

by  /  5 October 2021

The first animal model of MYT1L syndrome suggests that fast-maturing neurons lead to the unusually small brains, social deficits and other traits seen in people with the condition.

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July 2021
Immature inhibitory cells surround mature neuron.

Critical time window flagged for autism gene’s influence

by  /  16 July 2021

A transplant of inhibitory neurons during the second week of life prevents social difficulties and a brain signaling imbalance in mice missing a copy of FOXG1.

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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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December 2020
Brain organoid with multiple stains; red and green, to indicate cells.

New method probes genes’ function in brain organoids

by  /  16 December 2020

A screening technique tests how inactivated genes affect spheres of cultured brain cells; it could shed light on autism-linked mutations.

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April 2020
Illustration shows heads and brains inside at various sizes.

Autism’s relationship to head size, explained

by  /  9 April 2020

Some people with autism have an unusually large head. What causes the enlargement? And does it have any bearing on outcome?

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Microscopic view of neurons

Mutations in autism gene linked to distinct conditions

by  /  3 April 2020

Individuals with mutations in an autism gene called TRIO may have a range of conditions, including intellectual disability and anomalous head size.

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November 2018
Toddle boy having his head measured in a medical setting.

Brain organoid study firmly links autism mutations to RhoA

by  /  7 November 2018

A cellular pathway that helps neurons grow and move during fetal development may drive the changes in head size in some autistic people.

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June 2018
Week of JuneJun
4th
2018

Oversold diets; big brains explained; tracking CRISPR and more

by  /  8 June 2018

Benefits of diets for autism features remain unproven, variants of the same DNA region make brains big or small, and STAT announces a new CRISPR tracker.

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Growth spurt in head, skeleton mark autism in boys

by  /  6 June 2018

Boys with autism have smaller heads, are shorter and weigh less at birth than typical children do — but all that changes by age 3.

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January 2018
Neurons missing a part of chromosome 16 (left) are larger and have more branches than control neurons (middle); neurons with duplications of the region are small and sport short dendrites (right).

Lab-grown neurons showcase effects of autism mutations

by  /  15 January 2018

Neurons derived from people with mutations linked to autism display diverse abnormalities that may help explain the origins of these individuals’ features.

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