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    The interaction of dianhydrogalactitol with DNA in cultured Yoshida sarcoma cells.

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    Authors
    Institoris, Etel
    Fox, Brian W
    Affiliation
    Paterson Laboratories, Christie Hospital and Holt Radium Institute, Manchester
    Issue Date
    1978-07
    
    Metadata
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    Abstract
    Using alkaline sucrose gradient sedimentation centrifugation it was found that treatment of Yoshida sarcoma cells in culture for 1 h with increasing concentrations of dianhydrogalactitol (DAG) enhanced the sedimentation rate of DNA in a dose-dependent manner. There was no difference between the amount of protein which co-sedimented with DNA released from treated and untreated cells. When DNA was extracted from the cells using a p-amino-salicylate-phenol mixture, the protein content of DNA seemed not to be affected by DAG. The possibility that DAG could form interstrand cross-linking in cellular DNA was suggested from renaturation studies. The appearance of a fast sedimenting DNA in the alkaline sucrose gradient and the evidence for a cross-linked DNA detected by renaturation technique, only appeared later than 6 h after treatment. A similar delayed effect on the depression in the rate of DNA synthesis was also observed. These data suggest that the inhibition of DNA synthesis may be related to the delayed formation of DNA interstrand cross-linked.
    Citation
    The interaction of dianhydrogalactitol with DNA in cultured Yoshida sarcoma cells. 1978, 22 (1):99-107 Chem. Biol. Interact.
    Journal
    Chemico-Biological Interactions
    URI
    http://hdl.handle.net/10541/143016
    DOI
    10.1016/0009-2797(78)90153-9
    PubMed ID
    567539
    Type
    Article
    Language
    en
    ISSN
    0009-2797
    ae974a485f413a2113503eed53cd6c53
    10.1016/0009-2797(78)90153-9
    Scopus Count
    Collections
    All Paterson Institute for Cancer Research

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