A radioprotective effect of vitamin C observed in Chinese hamster ovary cells

Abstract
Vitamin C at high concentrations inhibited the growth of CHO [Chinese hamster ovary] clone A cells in culture. It had a radioprotective effect, giving a maximum increase in cell survival of a factor of 7 under the experimental conditions used. The protective effect was mainly but not exclusively attributable to an increase in the Do [exponential decline], the maximum increase observed being the order of 1.4.