Enhanced Inhibition of Orthopoxvirus Replication In Vitro by Alkoxyalkyl Esters of Cidofovir and Cyclic Cidofovir
作者:Earl R. Kern、Caroll Hartline、Emma Harden、Kathy Keith、Natalie Rodriguez、James R. Beadle、Karl Y. Hostetler
DOI:10.1128/aac.46.4.991-995.2002
日期:2002.4
reported to have activity against orthopoxvirus replication in vitro and in animal models when administered parenterally or by aerosol. To obtain better oral activity, we synthesized a novel series of analogs of CDV and cCDV by esterification with two long-chain alkoxyalkanols, 3-hexadecyloxy-1-propanol (HDP-CDV; HDP-cCDV) or 3-octadecyloxy-1-ethanol (ODE-CDV; ODE-cCDV). Their activities were evaluated
肠胃外给药时,核苷酸膦酸酯西多福韦(CDV)和环状西多福韦(cCDV)是有效的抗病毒化合物,但口服吸收不好。据报道,这些化合物在肠胃外或通过气雾剂给药时在体外和动物模型中均具有抗正痘病毒复制的活性。为了获得更好的口服活性,我们通过与两种长链烷氧基烷醇,3-十六烷氧基-1-丙醇(HDP-CDV; HDP-cCDV)或3-十八烷氧基-1-乙醇酯化合成了一系列新的CDV和cCDV类似物。 (ODE-CDV; ODE-cCDV)。使用斑块减少测定法评估了它们的活性,并与被牛痘病毒(VV)或牛痘病毒(CV)感染的人包皮成纤维细胞(HFF)细胞中的CDV和cCDV进行了比较。HFF细胞中针对CDV和cCDV的VV的50%有效浓度(EC(50)s)为46。2和50.6 microM,而HDP-CDV和HDP-cCDV分别为0.84和3.8 microM。ODE-CDV和ODE-cCDV的EC(50)分别为0