Summary
Strain cultures of the cervical carcinoma HeLa (Puck-clone), human fetal intestinal epithelium (Henle) and adult human skin (NCTC clonal 2414) were used in Rose chambers for gamma irradiation at 2000 r and 4000 r from a Cobalt60 source.
Phase contrast, time-lapse cinematographic records generally made from one to 5 days following irradiation yielded a total of more than 6000 feet of 16 mm film records for analysis.
Cell enlargement was regularly observed. Telo-reduplication, including a second division is reported. Multinucleation arising from cells with single and multiple nuclei producing one or two daughter cells with numerous micronuclei was found for all three strains.
It is believed that these mitotic anomalies represented a quantitative rather than a qualitative difference between irradiated and control cultures.
The method permits an accurate assessment of the divisional potentialities of living cells during long periods of life in vitro under experimental conditions.
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This research was supported by the USAF under Contract No. AF 18(600)-1263, monitored by the School of Aviation Medicine, USAF, Randolph Air Force Base, Texas.
Captain, USAF (MSC).
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Pomerat, C.M., Kent, S.P. & Logie, L.C. Irradiation of cells in tissue culture. Zeitschrift für Zellforschung 47, 175–197 (1957). https://doi.org/10.1007/BF00340147
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DOI: https://doi.org/10.1007/BF00340147