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International Journal of Cell Cloning, Vol 4, 279-284, Copyright © 1986 by AlphaMed Press
ORIGINAL ARTICLES |
PE Crossen, JM Godwin and MP Bodger
Cell cycle times of cells derived from human hemopoietic progenitor cells were measured directly by using 5-bromodeoxyuridine (BrdU) incorporation and sister chromatid differential staining. Umbilical cord cells were cultured in the mixed-colony assay for 96 h prior to the addition of BrdU and then harvested at 6-12 h intervals. Individual cell cycle times ranging from 8.5-23.4 h were observed while population mean cell cycle times ranged from 17.5-24 h. These results show that some early progeny of hemopoietic progenitor cells have short cell cycle times and that there is considerable heterogeneity within the proliferating cell population.
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