Abstract

Established culture fish cells, CAF-MMMI, derived form the goldfish, Carassium auratus, were able to grow and form colonies over a temperature range from 20 to 33/sup 0/ C. While the growth rate of these cells was dependent on incubation temperature, colony formation had no effect on cell survival after ..gamma.. irradiation at high dose rates. The lethal effect of ..gamma.. rays was decreased at low dose rates at 20-33/sup 0/ C, but not at 6/sup 0/ C. Similarly, split-dose experiments showed that recovery from sublethal damage occurred at the higher temperatures, but not at 6/sup 0/ C. These data are consistent with the in vivo data on the effect of temperature on the radiosensitivity and repair of sublethal damage reported previously for live fish.

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