Temperaturesensitive live-attenuated canine influenza virus H3N8 vaccine

Aitor Nogales, Laura Rodriguez, Caroline Chauché, Kai Huang, Emma C. Reilly, David J. Topham, Pablo R. Murcia, Colin R. Parrish, Luis Martínez-Sobrido

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Canine influenza is a respiratory disease of dogs caused by canine influenza virus (CIV). CIV subtypes responsible for influenza in dogs include H3N8, which originated from the transfer of H3N8 equine influenza virus to dogs; and the H3N2 CIV, which is an avian-origin virus that adapted to infect dogs. Influenza infections are most effectively prevented through vaccination to reduce transmission and future infection. Currently, only inactivated influenza vaccines (IIVs) are available for the prevention of CIV in dogs. However, the efficacy of IIVs is suboptimal, and novel approaches are necessary for the prevention of disease caused by this canine respiratory pathogen. Using reverse genetics techniques, we have developed a liveattenuated CIV vaccine (LACIV) for the prevention of H3N8 CIV. The H3N8 LACIV replicates efficiently in canine cells at 33°C but is impaired at temperatures of 37 to 39°C and was attenuated compared to wild-type H3N8 CIV in vivo and ex vivo. The LACIV was able to induce protection against H3N8 CIV challenge with a single intranasal inoculation in mice. Immunogenicity and protection efficacy were better than that observed with a commercial CIV H3N8 IIV but provided limited cross-reactive immunity and heterologous protection against H3N2 CIV. These results demonstrate the feasibility of implementing a LAIV approach for the prevention and control of H3N8 CIV in dogs and suggest the need for a new LAIV for the control of H3N2 CIV.

Original languageEnglish (US)
Article numbere02211-16
JournalJournal of Virology
Volume91
Issue number4
DOIs
StatePublished - Jan 1 2017
Externally publishedYes

Fingerprint

Influenza Vaccines
Influenza A virus
Canidae
Orthomyxoviridae
vaccines
dogs
influenza
canine influenza
Inactivated Vaccines
Dogs
Human Influenza
Dog Diseases
Heterologous Immunity
vaccination
Vaccines
Genetic Techniques
Reverse Genetics
Infectious Disease Transmission
disease prevention
infection

Keywords

  • Influenza
  • Influenza vaccines

ASJC Scopus subject areas

  • Microbiology
  • Immunology
  • Insect Science
  • Virology

Cite this

Nogales, A., Rodriguez, L., Chauché, C., Huang, K., Reilly, E. C., Topham, D. J., ... Martínez-Sobrido, L. (2017). Temperaturesensitive live-attenuated canine influenza virus H3N8 vaccine. Journal of Virology, 91(4), [e02211-16]. https://doi.org/10.1128/JVI.02211-16

Temperaturesensitive live-attenuated canine influenza virus H3N8 vaccine. / Nogales, Aitor; Rodriguez, Laura; Chauché, Caroline; Huang, Kai; Reilly, Emma C.; Topham, David J.; Murcia, Pablo R.; Parrish, Colin R.; Martínez-Sobrido, Luis.

In: Journal of Virology, Vol. 91, No. 4, e02211-16, 01.01.2017.

Research output: Contribution to journalArticle

Nogales, A, Rodriguez, L, Chauché, C, Huang, K, Reilly, EC, Topham, DJ, Murcia, PR, Parrish, CR & Martínez-Sobrido, L 2017, 'Temperaturesensitive live-attenuated canine influenza virus H3N8 vaccine', Journal of Virology, vol. 91, no. 4, e02211-16. https://doi.org/10.1128/JVI.02211-16
Nogales A, Rodriguez L, Chauché C, Huang K, Reilly EC, Topham DJ et al. Temperaturesensitive live-attenuated canine influenza virus H3N8 vaccine. Journal of Virology. 2017 Jan 1;91(4). e02211-16. https://doi.org/10.1128/JVI.02211-16
Nogales, Aitor ; Rodriguez, Laura ; Chauché, Caroline ; Huang, Kai ; Reilly, Emma C. ; Topham, David J. ; Murcia, Pablo R. ; Parrish, Colin R. ; Martínez-Sobrido, Luis. / Temperaturesensitive live-attenuated canine influenza virus H3N8 vaccine. In: Journal of Virology. 2017 ; Vol. 91, No. 4.
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