The numbers of colony formation of progenitor cells in Evi1 and MDS1?Evi1?positive MDS patients were decreased as compared with Evi1 and MDS1?Evi1?negative patients.

• Evi1和MDS1?Evi1表达阳性的MDS患者祖细胞集落形成数低于Evi1和MDS1?Evi1阴性者。