Though current vaccines reduce the impact of influenza, IAV remains a major human pathogen with an enormous global and domestic impact, causing 30,000 deaths and economic costs totaling tens of billions dollars each year in the USA. Despite its remarkable impact on public health, we have only a limited understanding of the molecular mechanisms underlying viral pathogenesis and its ability to evade the immune response. In this project we are studying a number of aspects of the interaction between IAV and the host. Most of studies utilize the mouse model of infection. Our interests include understanding selection of antigenic variants in vivo, host-pathogen interactions in regulating anti-viral immunity, and the role of the influenza proteins in viral pathogenesis.

Project Start
Project End
Budget Start
Budget End
Support Year
6
Fiscal Year
2012
Total Cost
$248,901
Indirect Cost
City
State
Country
Zip Code
Frank, Gregory M; Angeletti, Davide; Ince, William L et al. (2015) A Simple Flow-Cytometric Method Measuring B Cell Surface Immunoglobulin Avidity Enables Characterization of Affinity Maturation to Influenza A Virus. MBio 6:e01156
Altman, Meghan O; Bennink, Jack R; Yewdell, Jonathan W et al. (2015) Lamprey VLRB response to influenza virus supports universal rules of immunogenicity and antigenicity. Elife 4:
Brooke, Christopher B; Ince, William L; Wei, Jiajie et al. (2014) Influenza A virus nucleoprotein selectively decreases neuraminidase gene-segment packaging while enhancing viral fitness and transmissibility. Proc Natl Acad Sci U S A 111:16854-9
Whittle, James R R; Wheatley, Adam K; Wu, Lan et al. (2014) Flow cytometry reveals that H5N1 vaccination elicits cross-reactive stem-directed antibodies from multiple Ig heavy-chain lineages. J Virol 88:4047-57
Magadán, Javier G; Altman, Meghan O; Ince, William L et al. (2014) Biogenesis of influenza a virus hemagglutinin cross-protective stem epitopes. PLoS Pathog 10:e1004204
Yewdell, Jonathan W; Spiro, David J; Golding, Hana et al. (2013) Getting to the heart of influenza. Sci Transl Med 5:191ed8
Magadan, Javier G; Khurana, Surender; Das, Suman R et al. (2013) Influenza a virus hemagglutinin trimerization completes monomer folding and antigenicity. J Virol 87:9742-53
Brooke, Christopher B; Ince, William L; Wrammert, Jens et al. (2013) Most influenza a virions fail to express at least one essential viral protein. J Virol 87:3155-62
Yewdell, Jonathan W; Ince, William L (2013) Greasing the SCIDs for Universal Flu Antibodies. Cell Host Microbe 14:7-8
Brooke, Christopher B; Yewdell, Jonathan W (2013) Host versus flu: antibodies win a round? Nat Struct Mol Biol 20:245-6

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