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  • Title: Inhibition and recovery of DNA synthesis after X-irradiation in radiosensitive mouse-cell mutants.
    Author: Hama-Inaba H, Hieda-Shiomi N, Sato K.
    Journal: Mutat Res; 1983 May; 120(2-3):161-5. PubMed ID: 6843578.
    Abstract:
    The mouse lymphoma L5178Y cell line and its radiosensitive variants M10 and LX830 were examined for DNA synthesis after X-irradiation. The dose-response curves show that the rates of DNA synthesis immediately after exposure are reduced in a dose-dependent fashion and that the extents of reduction in these 3 cell lines are similar to one another. But a difference was observed in the recovery of DNA synthesis with time of incubation. The recovered levels in M10 and LX830 cells were much higher than those in L5178Y cells at high doses of X-rays. These results are discussed in relation to radioresistant DNA synthesis in ataxia telangiectasia cells.
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