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1·Further down the line here, if we looked in the adult brain or spinal cord and other regions, we'll find committed progenitor cells.

沿着这条线再往后，如果我们看看成人的大脑或者脊髓和其他部位，我们就能找到定向祖细胞。

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。