Molecular Hub of Autism?

Researchers identify a network that includes many genes previously linked to autism spectrum disorders.

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FLICKR, BOREIO SELASAutism spectrum disorders (ASD) are notoriously complex: they’re associated with hundreds of genes. Now, researchers led by Stanford University’s Michael Snyder have identified a molecular network that comprises many of these genes, and may underlie the development of ASD. The findings, published today (December 30) in Molecular Systems Biology, point to potentially important protein interactions as well as novel genes that may be linked to the disorders.

“The study of autism disorders is extremely challenging due to the large number of clinical mutations that occur in hundreds of different human genes associated with autism,” Snyder said in a press release. “We therefore wanted to see to what extent shared molecular pathways are perturbed by the diverse set of mutations linked to autism.”

Turning to BioGrid, a database of protein and genetic interactions, the researchers identified a module of 119 interacting proteins that include “a very strong enrichment for autism genes,” Snyder explained. Sequencing the genomes of six ASD patients demonstrated that this module was associated with the development of the disorders, and sequencing of 19 patients’ exomes further confirmed a role for the candidate autism genes present within the module. Finally, an ...

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Meet the Author

  • Jef Akst

    Jef Akst was managing editor of The Scientist, where she started as an intern in 2009 after receiving a master’s degree from Indiana University in April 2009 studying the mating behavior of seahorses.
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