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Scientists create customized stem cells
WASHINGTON (AP) — South Korean scientists have dramatically sped up the creation of human embryonic stem cells, growing 11 new batches that for the first time were a genetic match to injured or sick patients.
It is a major advancement in the quest to grow patients' own replacement tissue to treat diseases.
The same scientists last year were the first to clone a human embryo. Now they have improved, by more than tenfold, their efficiency at culling these master cells, thus making pursuit of therapeutic cloning more practical.
"I didn't think they would be at this stage for decades, let alone within a year," said Dr. Gerald Schatten of the University of Pittsburgh. He acted as an adviser to the Korean lab in analyzing its data, which was being published Friday in the journal Science.