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A naturally protective epitope of limited variability as an influenza vaccine target

Thompson, Craig P., Lourenço, José, Walters, Adam A., Obolski, Uri, Edmans, Matthew, Palmer, Duncan S., Kooblall, Kreepa, Carnell, George W., O'Connor, Daniel, Bowden, Thomas A., and others. (2018) A naturally protective epitope of limited variability as an influenza vaccine target. Nature communications, 9 . ISSN 2041-1723. (doi:10.1038/s41467-018-06228-8) (KAR id:69235)

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Current antigenic targets for influenza vaccine development are either highly immunogenic epitopes of high variability or conserved epitopes of low immunogenicity. This requires continuous update of the variable epitopes in the vaccine formulation or boosting of immunity to invariant epitopes of low natural efficacy. Here we identify a highly immunogenic epitope of limited variability in the head domain of the H1 haemagglutinin protein. We show that a cohort of young children exhibit natural immunity to a set of historical influenza strains which they could not have previously encountered and that this is partially mediated through the epitope. Furthermore, vaccinating mice with these epitope conformations can induce immunity to human H1N1 influenza strains that have circulated since 1918. The identification of epitopes of limited variability offers a mechanism by which a universal influenza vaccine can be created; these vaccines would also have the potential to protect against newly emerging influenza strains.

Item Type: Article
DOI/Identification number: 10.1038/s41467-018-06228-8
Uncontrolled keywords: Medway School of Pharmacy
Subjects: Q Science > QR Microbiology > QR355 Virology
Divisions: Divisions > Division of Natural Sciences > Medway School of Pharmacy
Depositing User: Nigel Temperton
Date Deposited: 24 Sep 2018 16:23 UTC
Last Modified: 16 Feb 2021 13:58 UTC
Resource URI: (The current URI for this page, for reference purposes)
Thompson, Craig P.:
Lourenço, José:
Palmer, Duncan S.:
O'Connor, Daniel:
Temperton, Nigel J.:
Gilbert, Sarah C.:
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