Gene Therapy - On The Horizon: Improving Memory Understanding Age Related Memory Loss


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Gene therapy


Scientists are also experimenting with gene therapy as a means of restoring some of the neuronal connections that are destroyed by Alzheimer's disease and other neurological disorders. Operating on eight people with mild Alzheimer's, researchers at the University of California at San Diego genetically engineered some of the patients' own skin cells to release nerve growth factor. The cells were transplanted into several areas of the patients' brains. The therapy was successful in six of the patients. The rate of cognitive decline fell by 40%–50%, a better result than is possible with currently available medicines. PET scans showed increased metabolic activity in the areas of the brain with the implants, suggesting a positive effect. However, the gene therapy will have to be performed on more people to ensure that it is beneficial, a process that could take many years.

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Last updated: January 23, 2007

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