European Journal of Medicinal Chemistry p. 56 - 68 (2018)
Update date:2022-08-04
Topics:
Giancotti, Gilda
Cancellieri, Michela
Balboni, Andrea
Giustiniano, Mariateresa
Novellino, Ettore
Delang, Leen
Neyts, Johan
Leyssen, Pieter
Brancale, Andrea
Bassetto, Marcella
Chikungunya virus is a re-emerging arbovirus transmitted to humans by Aedes mosquitoes, responsible for an acute febrile illness associated with painful and debilitating arthralgia, which can persist for several months or become chronic. Over the past few years, infection with this virus has spread worldwide with a previously unknown virulence. No specific antiviral treatments nor vaccines are currently available against this important pathogen. Starting from the structure of a class of selective anti-CHIKV agents previously identified in our research group, different modifications to this scaffold were rationally designed, and 69 novel small-molecule derivatives were synthesised and evaluated for their inhibition of Chikungunya virus replication in Vero cells. Further structure-activity relationships associated with this class of antiviral agents were elucidated for the original scaffolds, and novel antiviral compounds with EC50 values in the low micromolar range were identified. This work provides the foundation for further investigation of these new structures as antivirals against Chikungunya virus.
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