therapy approach ultimately works, it could revive interest in finding easier methods, he said. As for the next step, instead of genetically modifying skin cells, Dr. David Bennett of the Rush University Medical Center has begun injecting the brains of up to 12 Alzheimer's patients with an NGF-bearing virus. Animal studies suggest the virus may penetrate injured brain cells better, producing more of the protective growth factor for longer periods, he said. -- SPA 2339 Local Time 2039 GMT
