National Alliance on Mental Illness
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Largest-Ever Search for Autism Genes Reveals New Clues
The largest search for autism genes to date, funded in part by the National Institutes of Health (NIH), has implicated components of the brain's glutamate chemical messenger system and a previously overlooked site on chromosome 11. Based on 1,168 families with at least two affected members, the genome scan also adds to evidence that tiny, rare variations in genes may heighten risk for autism spectrum disorders (ASD).