To establish the donor splenocyte infusion combining bone marrow infusion to modulate the specific immune response in recipients and the system to evaluate.

• 目的建立供体小剂量骨髓细胞输注同时联合脾细胞输注对受体特异性免疫状态的调节方法,建立相应的评估体系,探索其调节效应。