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  • Title: Selective inhibition of the proliferation of herpes simplex virus type 1 thymidine kinase gene-transformed murine mammary FM3A carcinoma cells by (E)-5-(2-bromovinyl)-2'-deoxyuridine and related compounds.
    Author: Balzarini J, De Clercq E, Ayusawa D, Shimizu K, Seno T.
    Journal: Nucleic Acids Symp Ser; 1985; (16):283-6. PubMed ID: 3003708.
    Abstract:
    Mouse mammary carcinoma FM3A cells deficient in thymidine kinase were transformed by a cloned gene for herpes simplex virus type 1 thymidine kinase. Among several anti-herpetic nucleoside analogues, (E)-5-(2-bromovinyl)-2'-deoxyuridine, (E)-5-(2-iodovinyl)-2'-deoxyuridine and (E)-5-(2-bromovinyl)-2'-deoxycytidine inhibited the growth of the transformed cells at concentrations 5000- to 20000-fold lower than those required to inhibit the growth of the corresponding wild-type cells. The selective inhibitory action of these compounds was due to a specific phosphorylation by the viral thymidine kinase. From the transformed cells, thymidine-auxotrophic mutants that are deficient in thymidylate synthase were isolated. These mutant cell lines should prove useful in elucidating the mechanism of action of the antiherpetic nucleoside analogues.
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