Recently results from studies into ADHD led by Stephen V. Faraone of SUNY Upstate Medical Center have been published.Among the many studies in the issue are two from the first genomewide association study of individual ADHD patients. The study examined more than 600,000 genetic markers in over 900 families from the largest genetic study of ADHD.
The studies found that one genetic marker may be associated with ADHD symptoms. The studies, suggests that many genes are involved in ADHD and that each of these have small effects. Recent advances in these technologies have facilitated the cost-effective genotyping of hundreds of thousands of DNA markers. Genome-wide association studies (GWAS) hold great promise for identifying genetic variants for disease.
Larger studies are needed to fully understand the genetic mechanisms underlying ADHD and whether these initial findings can be confirmed.
Full article available from http://www.news-medical.net/news/44805.aspx
by Christian Retschlag
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