They are used in bone-marrow transplants to treat leukaemia – but in these cases, donor blood taken in the usual way is used to harvest the stem cells.
它们被用在骨髓移植中，用来治疗白血病。 不过，在这些情况下，干细胞从捐赠者按正常方式抽取的血液中获得。
The disease starts when the immune cells in donor bone marrow identify the recipient's cells as foreign and launch an attack.
这种病症往往发生在捐献体的免疫细胞辨认出接受体细胞为外来细胞并发出攻击。
In November, German haematologist Gero Huetter announced that he had cured a man of HIV through a bone marrow transplant from a donor who had a genetic resistance to the virus.
11月，德国血液学家吉罗·胡特(Gero Huetter)宣布，他已成功治愈了一名HIV患者，使用的方法就是给他移植具有遗传抵抗HIV病毒的人的骨髓。
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