Different Mechanisms of Inhibition of DNA Synthesis by (E)-5-(2-Bromovinyl)-2′-deoxyuridine in Cells Transfected with Gene for Thymidine Kinase of Herpes Simplex Virus Type 1 and in Cells Infected with the Virus

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Abstract
The effect of (E)-5-(2-bromovinyl)-2′-deoxyuridine (BVDU) on deoxyribonucleoside 5′-triphosphate pools was studied in cells transfected with gene for thymidine kinase of herpes simplex virus type 1 and cells infected with the virus. When infected cells were treated with BVDU, the triphosphate form of the nucleoside analog was detected. When transfected cells were treated with BVDU, the triphosphate form was not detected and the pattern of changes in the pools was the same as after 5-fluoro-2′-deoxyuridine treatment. BVDU seems to inhibit DNA synthesis differently in the two cell lines and nucleotide metabolism in the transfected cells was not the same as in the infected cells.