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Rare genetic variants found to increase risk for Tourette syndrome

08:00 EDT 21 Jun 2017 | Medical Xpress

An international research team led by investigators at Massachusetts General Hospital (MGH) and the University of California at Los Angeles (UCLA) - along with their facilitating partner the Tourette Association of America - has identified rare mutations in two genes that markedly increase the risk for Tourette syndrome (TS), a neurodevelopmental disorder characterized by chronic involuntary motor and vocal tics. The report in the June 21 issue of Neuron also describes finding an overall increase in the presence of large, rare, risk-associated copy-number variants - areas of the genome that are either duplicated or deleted - in TS patients, many being observed in just a single patient.

Original Article: Rare genetic variants found to increase risk for Tourette syndrome

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