Dramatic retraction adds to questions about stem cell research
Researchers admit mistakes and question whether STAP cells exist
By Tina Hesman Saey, 10:36 AM July 7, 2014
Rising doubts about easy-to-make stem cells have hit a crescendo: The researchers who claimed to have discovered STAP cells have pulled their papers from the journal Nature. The scientists say that mistakes in the work now make them question the existence of such cells. The original publication described making STAP stem cells simply by stressing mature cells with a squeeze or with a brief plunge in acid.
Other scientists worry that the combination of early enthusiasm about the papers quickly ...
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