The study was also significant in that the researchers were able to guide these cells to recognize a specific target and reproduce them in the billions outside of the body, said Dr. Ryotaro Nakamura, associate professor of hematology and hematopoietic stem cell transplantation at City of Hope in Duarte, Calif.
It's unclear how the results will apply in a larger population, but the technique used was "remarkable," Nakamura said.
There's more on leukemia at the U.S. National Cancer Institute.
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