New submitter tchernobog writes "An Italian team funded by Telethon and S. Raffaele of Milan, was able to cure six kids affected by lethal genetic diseases (in Italian, English video): the Wiskott-Aldrich syndrome and the metachromatic leukodystrophy. This is the culmination of a project lasted 15 years, and which cost more than 30M €; the researchers published some preliminary results last year in Nature, and are waiting for the results on more patients to submit another. The really interesting part is: they used a mix of advanced genetic techniques to achieve this result. Firstly, the DNA of a defective cell is corrected with a gene assembled in the lab. This procedure has been very dangerous for the past 20 years: that it can even be used is a good achievement alone. Secondly, the corrected DNA is propagated in the patient's body using a stripped-down version of HIV, of which less than 10% of its original genome remains. Might the feared HIV in reality prove to be salvation for some?"
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