When Robert Sackstein was a bone-marrow-transplant surgeon in the 1980s, henoticed that fewer than 5 percent of the transplanted blood stem cells reachedtheir target in a patient's marrow.
1980年，骨髓移植手术的外科医生RobertSackstein注意到少于5%的被移植的血干细胞能达到病人的骨髓靶细胞，于是他决定研究细胞是怎样移动的，跟随的是什么指示。
Placental blood donations differ from bone marrow donations, in that stem cells can be transplanted without the need to find a match. Thus more patients with leukemia and other diseases can be saved.
捐赠脐带血和捐赠骨髓不一样，移植干细胞不需要寻找配对，所以有更多白血病和其他疾病的患者可以获救。
Once these transplanted donor cells get settled within the patient's bone marrow, they make the healthy red blood cells, white blood cells and platelets necessary to support life.
这些被移入的细胞一旦进入患者的骨髓被吸收后，就可制造出生命必需的健康的红细胞、白细胞和血小板。
Once these transplanted donor cells get settled within the patient's bone marrow, they make the healthy red blood cells, white blood cells and platelets necessary to support life.
这些被移入的细胞一旦进入患者的骨髓被吸收后，就可制造出生命必需的健康的红细胞、白细胞和血小板。
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