Hassan, a 7-year-old Syrian boy living in Germany, was born with a condition called epidermolysis bullosa that prevented the outer layer of skin from binding to the inner layer and left him with painful blisters starting when he was just a few days old, NPR reports.
After skin grafts from the boy's father failed, doctors thought there was no hope, but they managed to save him with a treatment devised by scientists in Italy. A team led by Michele De Luca of the University of Modena repaired DNA from a sample of the boy's skin and was able to grow whole new sheets of epidermis.
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