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Children's Hospital of Philadelphia Researchers Link 25 New Gene Variants to Autism  
1/15/2013 7:23:59 AM

Genetics researchers have identified 25 additional copy number variations (CNVs) -- missing or duplicated stretches of DNA -- that occur in some patients with autism. These CNVs, say the researchers, are "high impact": although individually rare, each has a strong effect in raising an individual's risk for autism.
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