GROWTH-RATE AND SISTER CHROMATID EXCHANGE (SCE) INCIDENCE OF BONE-MARROW CELLS IN ACUTE MYELOBLASTIC-LEUKEMIA (AML)

被引:30
作者
ABE, S [1 ]
KAKATI, S [1 ]
SANDBERG, AA [1 ]
机构
[1] NEW YORK STATE DEPT HLTH,ROSWELL PK MEM INST,666 ELM ST,BUFFALO,NY 14263
关键词
D O I
10.1016/0165-4608(79)90017-7
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
The sister chromatid exchange (SCE) incidence and growth kinetics have been studied by means of an in vitro bromodeoxyuridine (BrdU) chromosome labeling method in the bone marrow cells of 17 acute myeloblastic leukemia (AML) patients with only diploid cells at diagnosis, remission, and relapse of the disease. At diagnosis, the cells tended to exhibit a low SCE frequency as compared to that during remission. An increased SCE frequency was observed after chemotherapy during remission or relapse. At diagnosis and relapse, when leukemic blast cells predominated in the marrow, they were characterized by the predominance of cells that had undergone only one cell cycle after BrdU exposure. In contrast, the marrow cells during remission tended to resemble the control pattern of growth kinetics, with a predominance of cells undergoing second and third cell cycles in the presence of BrdU. These results suggest that the growth rate of leukemic and nonleukemic cells is different, and that chemotherapy can cause an increased SCE frequency in the marrow cells of AML patients irrespective of the state of the disease. © 1979.
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页码:115 / 130
页数:16
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