intranasal vaccination with an engineered influenza virus expressing the receptor binding subdomain of botulinum neurotoxin provides protective immunity against botulism and influenza

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ID: 142192
2015
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Abstract
Influenza virus is a negative, segmented RNA virus without DNA intermediate. This makes it safer as a vaccine delivery vector than most DNA viruses that have potential to integrate their genetic elements into host genomes. In this study, we developed a universal influenza viral vector, expressing the receptor binding subdomain of botulinum neurotoxin A (BoNT/A).We tested the growth characters of the engineered influenza virus in chicken eggs and Madin-Darby Canine Kidney epithelial cells (MDCK), and showed that it can be produced to a titer of 5×10E6 plaque forming unites/ml in chicken eggs and MDCK cells. Subsequently, mice intranasally vaccinated with the engineered influenza virus conferred protection against challenge with lethal doses of active BoNT/A toxin and influenza virus. Our results demonstrated the feasibility to develop a dual purpose nasal vaccine against both botulism and influenza.
Reference Key
eli2015frontiersintranasal Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Junwei eLi;Diana eDiaz-Arévalo;Yanping eChen;Mingtao eZeng
Journal sudebno-meditsinskaia ekspertiza
Year 2015
DOI
10.3389/fimmu.2015.00170
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