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Nodosome inhibition as a novel broad-spectrum antiviral strategy against arboviruses and SARS-CoV-2
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Nodosome inhibition as a novel broad-spectrum antiviral strategy against arboviruses and SARS-CoV-2
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Nodosome inhibition as a novel broad-spectrum antiviral strategy against arboviruses and SARS-CoV-2
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Paper
Nodosome inhibition as a novel broad-spectrum antiviral strategy against arboviruses and SARS-CoV-2
2020
Overview
ABSTRACT In the present report, we describe two small molecules with broad-spectrum antiviral activity. These drugs block formation of the nodosome. The studies were prompted by the observation that infection of human fetal brain cells with Zika virus (ZIKV) induces expression of nucleotide-binding oligomerization domain-containing protein 2 (NOD2), a host factor that was found to promote ZIKV replication and spread. A drug that targets NOD2 was shown to have potent broad-spectrum antiviral activity against other flaviviruses, alphaviruses and SARS-CoV-2, the causative agent of COVID-19. Another drug that inhibits the receptor-interacting serine/threonine-protein kinase 2 (RIPK2) which functions downstream of NOD2, also decreased replication of these pathogenic RNA viruses. The broad-spectrum action of nodosome targeting drugs is mediated, at least in part, by enhancement of the interferon response. Together, these results suggest that further preclinical investigation of nodosome inhibitors as potential broad-spectrum antivirals is warranted. Competing Interest Statement The authors have declared no competing interest.
Publisher
Cold Spring Harbor Laboratory Press,Cold Spring Harbor Laboratory
