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J Virol. 2013 Feb;87(3):1916-8. doi: 10.1128/JVI.02980-12. Epub 2012 Nov 28.

Mouse dendritic cell (DC) influenza virus infectivity is much lower than that for human DCs and is hemagglutinin subtype dependent.

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  • 1Department of Neurology, Mount Sinai School of Medicine, New York, New York, USA.


We show that influenza A H1N1 virus infection leads to very low infectivity in mouse dendritic cells (DCs) in vitro compared with that in human DCs. This holds when H3 or H5 replaces H1 in recombinant viruses. Viruslike particles confirm the difference between mouse and human, suggesting that reduced virus entry contributes to lower mouse DC infectivity. Low infectivity of mouse DCs should be considered when they are used to study responses of DCs that are actually infected.

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