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  • ADULT Cell Transplants Restore Vision in Mice

    11/09/2006 6:51:31 PM PST · by Coleus · 63 replies · 614+ views
    WLEX-TV ^ | 11.08.06 | E.J. Mundell
    Scientists say they've restored the vision of blind mice by introducing light-sensitive cells into the rodents' retinas.       These "photoreceptor precursor cells" are not undifferentiated stem cells but come from a later stage of cell development when stem cells have already "committed" to being a particular cell type -- in this case the rod-and-cone photoreceptors the eye uses to sense light.The study invigorates the search for cell transplants that might someday restore the vision of millions of people who suffer from a loss of these photoreceptors.  "We think this is a major breakthrough because it shows what can be achieved," said...