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  • Title: [The dependence of the cytokinetic effects of alkylating antitumor preparations on the phase of the hepatocyte cell cycle in regenerating liver].
    Author: Uryvaeva IV, Sokolov AS, Kalistratov SG, Delone GV.
    Journal: Izv Akad Nauk SSSR Biol; 1991; (6):816-28. PubMed ID: 1809781.
    Abstract:
    Effects of alkylating antitumor drugs on resting (G0 phase of cell cycle) and proliferating (G1, S, G2 and M phases) hepatocytes were studied in regenerating mouse liver. Cell cycle kinetics (fraction of labeled mitoses, labeling and mitotic indices) were determined by 3H-thymidine autoradiography. Dipin and fotrin as a DNA-damaging agents attack mainly resting (G0) and proliferating (G1) cells. Effect of the damage results in the inhibition of DNA synthesis and G2 phase arrest in the following mitotic cycle. An alkylating drug phopurin as well as ara-C both suppress the mitotic progression in proliferating hepatocytes and do not influence the resting cells.
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