The survival rates and hematopoietic reconstitution of mice in each group were observed and compared. Human hematopoiesis was detected by means of PCR and immunohistochemistry.

• 比较各组小鼠的存活率及造血恢复情况，并应用多聚酶链式反应(PCR)和免疫组化方法观察小鼠体内人源细胞植入情况。