Although Monoclonal antibody can inhibit immunologic rejection reaction , it can lead to the repea of Leukemia because it eliminate graft - versus - Leukemia ( GVL) effect.

• 而单克隆抗体虽可抑制免疫排斥，但因降低移植物抗白血病(GVL)效应而易导致骨髓移植失败。