Biotech claims for safer stem cells
A California biotech announced at the Stem Cell Summit in New York City on Tuesday that they have successfully reprogrammed human skin, kidney, and retina cells to a stem-cell-like state without using potentially cancer-causing retroviruses. But experts say their claims are impossible to evaluate since the work has not been peer-reviewed. The company researchers did not say these new cells produced teratomas -- the sign that cells are truly pluripotent. The company, PrimeGen Biotech based in
Written byAndrea Gawrylewski
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Andrea Gawrylewski worked at The Scientist from 2007 to 2009.
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