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Evaluating Probenecid or Oseltamivir Inhibition of Influenza A Virus Replication Through Plaque Assay or Fluorescent
Jackelyn Murray1, Aitor Nogales2, Luis Martinez-Sobrido3
1Department of Infectious Diseases, University of Georgia, Athens, GA 30602, USA.
Abstract:
It is essential to understand the molecular mechanisms of influenza antiviral therapeutics to evaluate their efficacy. Virus plaque assays are commonly used to assess the antiviral effects of drugs on virus replication; however, this method is labor-intensive and can present challenges. We avoided this method by using a replication-competent influenza A virus (IAV) expressing a reporter fluorescent gene fused to the non-structural protein 1 (NS1) gene. The reporter IAV was detectable in normal human bronchoepithelial (NHBE) infected cells and offered an improved method to determine the therapeutic efficacy of the antiviral drugs probenecid and oseltamivir compared to a standard plaque assay. This method provides an excellent means for evaluating therapeutic approaches against IAV.
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