Objective:Establish a mouse model of allo-BMT with nonlethal preconditioning,observe the effect and research mechanism of allo-BMT with different DLI.

• 目的:建立小鼠非清髓异基因骨髓干细胞移植模型,探讨不同的供者淋巴细胞输注(donor lympho-cytes infusion DLI)对移植效果的影响及其机制。