anik315 writes "Nature is reporting a major breakthrough in embryonic stem cell research. A straightforward procedure using mouse fibroblasts harvested from the skin can be used to produce pluripotent stem cells that can potentially become any other cell in the body. Not only can Yamanaka's method use the most basic cells, it can be accomplished with simple lab techniques. Possible applications of this breakthrough are to check molecular changes in cells as certain conditions develop. Stem cells produced using this procedure, however, can not be used safely to make genetically matched cells for transplant."
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