Scientists at the Harvard Stem Cell Institute in Boston said they were able to turn skin cells into embryoniclike stem cells using mRNA molecules. The molecules carried the signals that allowed the skin cells to produce the proteins that will transform them into induced pluripotent stem cells. "We now have an experimental paradigm for generating patient-specific cells highly efficiently and safely and also taking those cells to clinically useful cell types," the lead researcher said. Some researchers say the development is a major step forward for the regenerative medicine field, though more more research is necessary.

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