A new synthetic peptide GA-KKALKKLKKALKKAL-CONH2 exhibits antiviral activity against ZIKV in multiple stages of the replicative cycle
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Elsevier
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Zika virus (ZIKV) is an emerging arbovirus, and its infection is often asymptomatic or mild; however, it can lead to severe neurological disorders. Currently, there are no approved treatments or vaccines for ZIKV, highlighting the urgent need to explore potential therapeutic options. In this study, we evaluated the antiviral activity of a novel synthetic peptide (GA-peptide) against ZIKV in vitro. The GA-peptide exhibited dose-dependent inhibition of the virus, affecting multiple stages of the ZIKV replication cycle. It demonstrated virucidal activity and effectively protected Vero cells from ZIKV infection. Additionally, the GA-peptide disrupted viral entry by targeting both the attachment and internalization phases, as well as post-entry stages of the infection. In silico analyses identified potential viral targets that interact with the GA-peptide. These findings underscore the GA-peptide's promising potential as a therapeutic agent against ZIKV and its relevance in the development of new antiviral drugs.
