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Induction of mixed allogeneic chimerism for leukemia
被引:2
|作者:
Seledtsov, VI
[1
]
Seledtsova, GV
[1
]
Avdeev, EV
[1
]
Samarin, DM
[1
]
Kozlov, VA
[1
]
机构:
[1] INST CLIN IMMUNOL,DEPT EXPT IMMUNOL,NOVOSIBIRSK 630099,RUSSIA
关键词:
graft-vs-leukemia effect;
mixed allogeneic hematopoietic chimerism;
D O I:
10.1016/S0145-2126(97)00011-8
中图分类号:
R73 [肿瘤学];
学科分类号:
100214 ;
摘要:
Hybrid (C56BL/6 x DBA) (BDF1; H-2(b)/H-2(d)) mice bearing the P815 leukemia (H-2(d)) were grafted with a (CBA x C57BL/6)F1 (CBF1; H-2(k)/H-2(b)) cell suspension, comprising bone marrow cells (BMC; 25 x 10(6)/mouse) and spleen cells (SC; 55 x 10(6)/mouse) on day -4, then treated with cyclophosphamide (200 mg/kg) on day -2 and finally grafted once more with CBF1 cells (25 x 10(6) BMC+7 x 10(6) SC) on day 0. Allogeneic cell graftings performed in this way induced durable mixed hematopoietic chimerism and significantly prolonged the survival of recipients, compared with that of leukemia-bearers grafted with syngeneic cells, The results obtained raise the possibility of using allogeneic hematopoietic tissue transplantation in combination with non-lethal cytoreductive therapy to induce a long-lasting graft-vs-leukemia effect. (C) 1997 Elsevier Science Ltd.
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页码:907 / 909
页数:3
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