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Título: | Mining a Kröhnke Pyridine Library for Anti-Arenavirus Activity |
Autor: | Miranda, Pedro O. CSIC ORCID ; Cubitt, Beatrice; Jacob, Nicholas T.; Janda, Kim D.; De La Torre, Juan C. | Palabras clave: | Arenavirus Protein−protein interaction Anti-LCMV activity Kröhnke pyridine library |
Fecha de publicación: | 6-feb-2018 | Editor: | ACS Publications | Citación: | ACS Infectious Diseases 4(5): 815-824 (2018) | Resumen: | Several arenaviruses cause hemorrhagic fever (HF) disease in humans and represent important public health problems in their endemic regions. In addition, evidence indicates that the worldwide-distributed prototypic arenavirus lymphocytic choriomeningitis virus is a neglected human pathogen of clinical significance. There are no licensed arenavirus vaccines, and current antiarenavirus therapy is limited to an off-label use of ribavirin that is only partially effective. Therefore, there is an unmet need for novel therapeutics to combat human pathogenic arenaviruses, a task that will be facilitated by the identification of compounds with antiarenaviral activity that could serve as probes to identify arenavirus-host interactions suitable for targeting, as well as lead compounds to develop future antiarenaviral drugs. Screening of a combinatorial library of Krönhke pyridines identified compound KP-146 [(5-(5-(2,3-dihydrobenzo[b][1,4] dioxin-6-yl)-4′-methoxy-[1,1′-biphenyl]-3-yl)thiophene-2-carboxamide] as having strong anti-lymphocytic choriomeningitis virus (LCMV) activity in cultured cells. KP-146 did not inhibit LCMV cell entry but rather interfered with the activity of the LCMV ribonucleoprotein (vRNP) responsible for directing virus RNA replication and gene transcription, as well as with the budding process mediated by the LCMV matrix Z protein. LCMV variants with increased resistance to KP-146 did not emerge after serial passages in the presence of KP-146. Our findings support the consideration of Kröhnke pyridine scaffold as a valuable source to identify compounds that could serve as tools to dissect arenavirus-host interactions, as well as lead candidate structures to develop antiarenaviral drugs. | Versión del editor: | https://doi.org/10.1021/acsinfecdis.7b00236 | URI: | http://hdl.handle.net/10261/183315 | DOI: | 10.1021/acsinfecdis.7b00236 | Identificadores: | doi: 10.1021/acsinfecdis.7b00236 e-issn: 2373-8227 |
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