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  • Title: Influence of caffeine on X-ray-induced killing and mutation in V79 cells.
    Author: Bhattacharjee SB, Bhattacharyya N, Chatterjee S.
    Journal: Radiat Res; 1987 Feb; 109(2):310-8. PubMed ID: 3809401.
    Abstract:
    Effects produced by caffeine on X-irradiated Chinese hamster V79 cells depended on the growth conditions of the cells. For exponentially growing cells, nontoxic concentrations of caffeine decreased the shoulder width from the survival curve, but the slope remained unchanged. The yield of mutants under the same conditions also remained unaffected. In case of density-inhibited cells, delaying trypsinization for 24 h after X irradiation increased the survival and decreased the yield of mutants. The presence of caffeine during this incubation period inhibited such recovery and significantly increased the yield of X-ray-induced mutants.
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