Methods CD34 + cord cells were separated by MACS system from 8 fresh samples. The methods of Dexter culture system of stromal cells were used to observe the change of cell surface molecule of cord stromal cell on the different time.

• 方法 应用 MACS磁珠分离系统分离脐带血CD34+细胞,按照Dexter法行脐血基质细胞培养,观察不同时间基质细胞的生长状态及细胞表面分子的变化情况。