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Rational design of novel nucleoside analogues reveals potent antiviral agents for EV71

Martina Salerno Salerno, Carmine Varricchio, Federica Bevilacqua, Dirk Jochmans, Johan Neyts, Andrea Brancale, Salvatore Ferla Orcid Logo, Marcella Bassetto Orcid Logo

European Journal of Medicinal Chemistry, Volume: 246, Start page: 114942

Swansea University Authors: Martina Salerno Salerno, Salvatore Ferla Orcid Logo, Marcella Bassetto Orcid Logo

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Abstract

Different viruses belonging to distinct viral families, such as enterovirus 71, rely on the host methyltransferase METTL3 for the completion of fundamental cytoplasmic stages of their life cycle. Modulation of the activity of this enzyme could therefore provide a broad-spectrum approach to interfere...

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Published in: European Journal of Medicinal Chemistry
ISSN: 0223-5234
Published: Elsevier BV 2023
Online Access: Check full text

URI: https://cronfa.swan.ac.uk/Record/cronfa62048
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Abstract: Different viruses belonging to distinct viral families, such as enterovirus 71, rely on the host methyltransferase METTL3 for the completion of fundamental cytoplasmic stages of their life cycle. Modulation of the activity of this enzyme could therefore provide a broad-spectrum approach to interfere with viral infections caused by viruses that depend on its activity for the completion of their viral cycle. With the aim to identify antiviral therapeutics with this effect, a series of new nucleoside analogues was rationally designed to act as inhibitors of human METTL3, as a novel approach to interfere with a range of viral infections. Guided by molecular docking studies on the SAM binding pocket of the enzyme, 24 compounds were prepared following multiple-step synthetic protocols, and evaluated for their ability to interfere with the replication of different viruses in cell-based systems, and to directly inhibit the activity of METTL3. While different molecules displayed moderate inhibition of the human methyltransferase in vitro, multiple novel, potent and selective inhibitors of enterovirus 71 were identified.
College: Faculty of Science and Engineering
Funders: This research was partly funded by the Sˆer Cymru II programme, part-funded by Cardiff and Swansea Universities and the European Regional Development Fund through the Welsh Government.
Start Page: 114942