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04-28-2009, 09:50 AM | #1 | |||
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Purely protein pluripotency
Access to this article may require FREE registration Posted by Elie Dolgin [Entry posted at 23rd April 2009 05:00 PM GMT] http://www.the-scientist.com/blog/display/55657/ Researchers have attained the holy grail of cellular reprogramming: inducing pluripotency without using any DNA-based materials. Using only a cocktail of purified proteins and a chemical additive, investigators have generated induced pluripotent stem (iPS) cells that don't carry the potential burden of unexpected genetic modifications, according to a new study published online today (Apr. 23) in Cell Stem Cell. "This new advancement is both exciting and startling," Huck-Hui Ng, a stem cell researcher at the Genome Institute of Singapore who was not involved in the study, said in an email. "Now, cell reprogrammers are armed with a potentially genome-safe method to make pluripotent stem cells." |
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