Put a cork in it: Plugging the M2 viral ion channel to sink influenza

Pouria H. Jalily, Maggie C. Duncan, David Fedida, Jun Wang, Ian Tietjen

Research output: Contribution to journalReview article

3 Scopus citations

Abstract

The ongoing threat of seasonal and pandemic influenza to human health requires antivirals that can effectively supplement existing vaccination strategies. The M2 protein of influenza A virus (IAV) is a proton-gated, proton-selective ion channel that is required for virus replication and is an established antiviral target. While licensed adamantane-based M2 antivirals have been historically used, M2 mutations that confer major adamantane resistance are now so prevalent in circulating virus strains that these drugs are no longer recommended. Here we review the current understanding of IAV M2 structure and function, mechanisms of inhibition, the rise of drug resistance mutations, and ongoing efforts to develop new antivirals that target resistant forms of M2.

Original languageEnglish (US)
Article number104780
JournalAntiviral Research
Volume178
DOIs
StatePublished - Jun 2020

Keywords

  • Drug discovery
  • Drug resistance
  • Electrophysiology
  • Influenza
  • M2
  • Viroporin

ASJC Scopus subject areas

  • Pharmacology
  • Virology

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