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  • Title: [Disordered DNA repair in tumor cells as affected by sarcolysine].
    Author: Kozlova IS, Khorosheva EV.
    Journal: Biull Eksp Biol Med; 1986 Oct; 102(10):463-5. PubMed ID: 3768515.
    Abstract:
    Sarcolysine-induced damaging and reparative processes in the primary structure of tumour cell DNA have been studied. The presence of low sarcolysine concentrations (1 mkM) in the cell culture during the first two hours of incubation caused suturing of DNA molecules. The increase of the incubation time from 4 to 18 hours and the rise in the drug concentration (by 10.20 times and more) resulted in intensive accumulation of one-strand breaks. However, we have not observed the appearance of high-molecular DNA, which is the evidence of the completion of the reparative process. The impulse treatment with sarcolysine (1 hour, 10 mkM) with subsequent drug removal caused the irreversible damage of DNA reparative processes at the stage of short fragments' suturing.
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