Specific nucleoside analogues demonstrate selective antiviral activity against different (+)ssRNA viruses, aiding in the rational design of broad-spectrum antivirals.
The rational design of broad‐spectrum antivirals requires data on antiviral activity of compounds against multiple viruses, which are often not available. We have developed a panel of (+)ssRNA viruses composed of Enterovirus and Flavivirus genera members allowing to study these activity spectra. Antiviral activity profiling of a set of nucleoside analogues revealed N 4 ‐hydroxycytidine as an efficient inhibitor of replication of coxsackieviruses and other enteroviruses, but ineffective against tick‐borne encephalitis virus. Furano[2, 3‐ d ]pyrimidine nucleosides with n ‐pentyl or n ‐hexyl tails showed selective inhibition of Enterovirus A representatives. 5‐(Tetradec‐1‐yn‐1‐yl)‐uridine showed selective inhibition of tick‐borne encephalitis virus at the micromolar level.
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Kozlovskaya et al. (2018) studied this question.
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