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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Cell growth kinetics of the human cell line Colo-205 irradiated with photons and astatine-211 alpha-particles.

Cell growth kinetics following Astatine-211 (211At, alpha-particle emitter) and photon irradiation were studied for the human colorectal cell line Colo-205. A growth assay using 96-well plates was chosen. The growth kinetics could be simulated by assuming certain fractions of cells with various proliferative capacities, i.e. from none up to 5 cell doublings, in addition to the defined survivors with remaining unlimited clonogenic capacity. No significant difference in cell growth characteristics was seen between 211At and photon irradiation. The cell doubling time, as calculated from the increment in optical density, was compared with the results from BrdU experiments in the early phases of growth (Tpot = 18.5 +/- 0.6 h for LDR (low dose rate) photon irradiated and 20.3 +/- 0.8 hours for sham-irradiated cells 40-45 hours post-irradiation) confirming the transient accelerated growth of irradiated cells. No statistically significant difference in growth was found between LDR, MDR (medium dose rate) and HDR (high dose rate) photon irradiation.[1]


  1. Cell growth kinetics of the human cell line Colo-205 irradiated with photons and astatine-211 alpha-particles. Palm, S., Andersson, H., Bäck, T., Claesson, I., Delle, U., Hultborn, R., Jacobsson, L., Köpf, I., Lindegren, S. Anticancer Res. (2000) [Pubmed]
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