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1·The properties and functions of mouse pluripotential stem cells (CFU-S) were studied with spleen colony technique and other related methods.

用脾集落技术结合有关方法对小鼠多能造血干细胞(CFU - S)的一些性质与功能做了观察。

2·The expanded cells were further analyzed by phenotype, committed differentiation, progenitor colony assay as well as colony forming unite spleen.

对扩增的细胞进行免疫表型、定向分化、造血祖细胞集落分析及脾集落形成单位的研究。

3·Conclusion PF might act as an immune modulator and have a certain protective effect on colony-forming cells in spleen for irradiated organism.

结论PF具有细胞免疫调节作用，同时对受照机体的脾集落形成细胞也有一定的保护作用。

4·Methods: The effect of QXMSC1 on hematopoietic stem cell was observed by colony forming unit of spleen (CFU-S).

方法：用脾克隆形成单位(CFU - S)测定QXMSC1对造血干细胞的影响。