Natural Product Kuwanon-L Inhibits HIV-1 Replication through Multiple Target Binding

Riccardo Martini, F Esposito, Angela Corona, R Ferrarese, ER Ceresola, Laura Visconti, C Tintori, A Barbieri, A Calcaterra, V Iovine, F Canducci, E Tramontano, Maurizio Botta

Research output: Contribution to journalArticlepeer-review


In recent years many advances have been made in the fight against HIV-1 infection. However, the lack of a vaccine, together with the increasing resistance to the highly active anti-retroviral therapy (HAART), make HIV-1 infection still a serious global emergency. Thus, new compounds with original modes of action are continuously required, and natural products have ever been a very interesting class of pharmacologically active molecules. Some of them have been used since ancient times against viral infections. Here we present a work in which we suggest that kuwanon-L, a natural product active as an HIV-1 integrase (IN) inhibitor, might exert its overall antiviral activity through binding to multiple viral targets. Specific enzymatic tests, together with a time-of-addition (TOA) experiment, support our hypothesis of binding both to IN and to reverse transcriptase (RT). Overall, this compound can be considered an attractive lead for the development of new classes of antiviral agents able to overcome the problem of resistance, due to its ability to exert its action by binding simultaneously to multiple viral targets. © 2017 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim
Original languageEnglish
Pages (from-to)374-377
Number of pages4
Issue number4
Publication statusPublished - 2017


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