Stem Cell Breakthrough: Mass-Production Of 'Embryonic' Stem Cells From A Human Hair

The first reports of the successful reprogramming of adult human cells back into so-called induced pluripotent stem cells, which by all appearances looked and acted liked embryonic stem cells created a media stir. But the process was woefully inefficient: only one out of 10,000 cells could be persuaded to turn back the clock. Now researchers successfully reprogram keratinocytes attached to a single hair. They have boosted reprogramming efficiency more than 100fold, while cutting the time it takes in half.

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