Antiviral Activity, Antimetabolic Activity, and Cytotoxicity of 3′-Substituted Deoxypyrimidine Nucleosides
作者:Allan L. Stuart、Nana K. Ayisi、Guy Tourigny、V. Sagar Gupta
DOI:10.1002/jps.2600740305
日期:1985.3
The antiviral activity, effect on cellular DNA and RNA synthesis, and cytotoxicity toward mammalian cells of 5-fluoro-2'-deoxyuridine, 5-methoxymethyl-2'-deoxyuridine, 2'-deoxythymidine, and their corresponding 3'-p-nitrophenylphosphate and 3'-p-aminophenylphosphate derivatives were determined. The 3'-p-aminophenylphosphate-2'-deoxy-5-methoxymethyluridine derivative was as potent as 5-methoxy-methyl-2'-deoxyuridine
5-氟-2'-脱氧尿苷,5-甲氧基甲基-2'-脱氧尿苷,2'-脱氧胸苷及其相应的3'-对硝基苯基磷酸酯的抗病毒活性,对细胞DNA和RNA合成的影响以及对哺乳动物细胞的细胞毒性测定了3'-对氨基苯基磷酸酯衍生物。3'-对氨基苯基磷酸酯-2'-脱氧-5-甲氧基甲基尿苷衍生物在抑制单纯疱疹病毒方面与5-甲氧基-甲基-2'-脱氧尿苷同样有效。然而,在抑制病毒复制方面,3'-对氨基苯基磷酸酯2'-脱氧-5-氟尿苷的效力不及5-氟-2'-脱氧尿苷。结果表明,脱氧嘧啶核糖核苷激酶具有对呋喃核糖部分3-位的取代基的整体耐受性。通过研究放射性前体的掺入,监测了对细胞DNA和RNA合成的影响以及对哺乳动物细胞的细胞毒性。5-甲氧基甲基-2'-脱氧尿苷和3'-对氨基苯基磷酸酯-2'-脱氧-5-甲氧基甲基尿苷不能抑制DNA或RNA的合成。5-氟-2'-脱氧尿苷和3'-对氨基苯基磷酸酯-2'-脱氧-5-氟尿苷分别以1