12/3/2007

Scientists from Japan found no tumor development in mice derived from induced pluripotent stem cells that are negative for c-Myc1, a gene linked to cancer and one of the four genes that were used to turn skin cells into embryonic stem cells. They were able to produce adult dermal fibroblasts-derived human iPS cells that lack Myc, but cautioned about the ability of the other three genes to activate the Myc gene.

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