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Gene Therapy Gets Closer to a 'Cure'

Posted on: 3 March 2009, source:
Two decades ago, medicine seemed on the cusp of a revolution. Doctors would soon treat diseases at their very roots, inserting "good" genes to replace patients' faulty ones. Gene therapy was a seductively straightforward idea that offered promise for treating everything from cancer to sickle cell disease.
But only now, after overcoming unexpected scientific obstacles and the high-profile death of a teenage patient, is gene therapy racking up some clear-cut successes. Promising studies are sending ripples of excitement through the field. Some researchers are daring to use the word cure.