Abstract
The in vitro clonogenicity of 25 human tumours was compared in two simple two layer culture systems, agar/agar and liquid medium/agar. There was a strong correlation between the values for clonogenicity obtained in each system. A linear relationship between cells plated and colonies formed was found in both systems. Radiation survival in the liquid culture system was essentially log linear with a small initial shoulder confirming that we were not simply counting clumps. We present a simple method of assessing the self-renewal capability of the clonogenic cells of human solid tumours, based on the liquid/agar two-layer system, which we have used to compare secondary plating efficiency and colony size analysis as measures of self renewal in human transitional cell carcinoma of the bladder.
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Bizzari, J., Mackillop, W. The estimation of self-renewal in the clonogenic cells of human solid tumours: A comparison of secondary plating efficiency and colony size. Br J Cancer 52, 189–195 (1985). https://doi.org/10.1038/bjc.1985.177
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DOI: https://doi.org/10.1038/bjc.1985.177
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