The Future of Placental-Blood Transplantation

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Abstract
During the past decade the use of placental blood as a source of transplantable hematopoietic stem cells has been accelerating. Initially, the placental blood was obtained from siblings, but now recipients of transplants from unrelated donors (allogeneic transplants) account for almost all patients who receive transplants of hematopoietic stem cells from placental blood.13 In this issue of the Journal, Rubinstein and his colleagues report the results of 562 allogeneic transplantations of hematopoietic stem cells in placental-blood units stored at the New York Blood Center.4 Their overall results confirm the conclusions that others have reached: reproducible stem-cell engraftment can be . . .