Pluripotent stem cells show great potential in treating various debilitating diseases, but at a risk: during the process of reprogramming the cells so they will grow (differentiate) into the desired tissue, some of their DNA may be damaged causing them to develop into tumors. Researchers have been scrambling to find a way to overcome this huge drawback to an otherwise highly promising therapeutic candidate. Now, researchers at the Mayo Clinic, Rochester, Minn., think they might have found an answer...
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