Does Cloning Produce Better Embryonic Stem Cells?

摘要

For the past month, Shoukhrat Mitalipov has experienced the ups and downs of being a scientific celebrity. Widely lauded at first for accomplishing a long-sought feat, the production of cloned human embryonic stem (ES) cells, the reproductive biology specialist at Oregon Health & Science University in Beaverton was soon on the defensive for mistakes his team had made in the paper on the work that had been rushed into publication (Science, 31 May, p. 1026).