这是牛脐带血干细胞的分离，培养，鉴定和分化的第一份报告。
It is the first report of isolation, culture, characterization and differentiation of bovine umbilical stem cells.
方法用铜蒸气激光照射人脐带血造血细胞，体外培养扩增细胞并计数集落细胞数。
Methods Human umbilical cord blood hematopoietic cells were irradiated with copper vapour laser and cultured in vitro. The number of colony and cells was calculated.
结论：在纤维连接素上培养来源于脐带血的单个核细胞可获得血管内皮前期细胞。
The immunocytochemical method showed that the attached cells were positively stained for vWF. Conclusion The endothelial progenitor cells may be isolated from umbilical cord blood.
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