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Influenza viruses continuously circulate in the human population and escape recognition by virus neutralizing antibodies induced by prior infection or vaccination through accumulation of mutations in the surface proteins hemagglutinin (HA) and neuraminidase (NA). Various strategies to develop a vaccine that provides broad protection against different influenza A viruses are under investigation, including...
Since inactivated influenza vaccines mainly confer protective immunity by inducing strain-specific antibodies to the viral hemagglutinin, these vaccines only afford protection against infection with antigenically matching influenza virus strains. Due to the continuous emergence of antigenic drift variants of seasonal influenza viruses and the inevitable future emergence of pandemic influenza viruses,...
Several enveloped viruses exploit host pathways, such as the cellular endosomal sorting complex required for transport (ESCRT) machinery, for their assembly and release. The influenza A virus (IAV) matrix protein binds to the ESCRT-I complex, although the involvement of early ESCRT proteins such as Tsg101 in IAV trafficking remain to be established. We find that Tsg101 can facilitate IAV trafficking,...
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