Brain Games

Alzheimer's gene therapy

Brain surgery under any circumstances is a delicate matter. Combine it with an experimental treatment like gene therapy, and the complexity becomes staggering. Yet that's what a group of researchers at the University of California at San Diego is doing in an effort to find new treatments for Alzheimer's disease. At a press conference last week, Dr. Mark Tuszynski and his colleagues announced they had inserted clusters of genetically modified tissue deep within the brain of a 60-year-old woman suffering from the early stages of the disease.

The operation was the first attempt to do gene therapy for Alzheimer's, and it...

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