Some patients who undergo bone marrow transplant later develop secondary cancers because of the high doses of radiation and chemotherapy they receive to prepare them for the procedure , said mariusz ratajczak , m . d . , ph . d . , director of the stem cell developmental biology program at the university of louisville james graham brown cancer center and a member of the journal ' s editorial board 佛罗里达大学的研究人员正在和多所大学和医学中心的科学家们联手，研究具有癌细胞外观的骨髓细胞能否在动物体内长长出肿瘤，以及它们是否具有肿瘤细胞的内部遗传缺陷。
