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  • Title: Effects of ATP and other nucleotides on DNA repair synthesis in bleomycin-pretreated permeable mouse sarcoma cells.
    Author: Seki S, Mori S, Nakashima A, Oda T.
    Journal: Carcinogenesis; 1987 Oct; 8(10):1391-4. PubMed ID: 2443262.
    Abstract:
    Effects of ATP and some other nucleotides (AMP, ADP, CTP, GTP, UTP and dATP) on reparative DNA synthesis and repair patch ligation in bleomycin-pretreated permeable mouse sarcoma cells were studied. Reparative DNA synthesis was significantly stimulated by 2.5 mM ATP, ADP or dATP. The stimulation was observed on both DNA polymerase alpha- and beta-dependent reparative DNA synthesis. ATP concentration required for repair patch ligation was much lower than that required for the stimulation of reparative DNA synthesis. An apparent Km value for ATP of the repair patch ligation was about 40 microM. ADP supported repair patch ligation after being converted into ATP by adenylate kinase in permeable cells.
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