Virus-like particle vaccine protects against H3N2 canine influenza virus in dog

Dong Hun Lee, Sang Woo Bae, Jae Keun Park, Jung Hoon Kwon, Seong Su Yuk, Jae Min Song, Sang Moo Kang, Yong Kuk Kwon, Hwi Yool Kim, Chang Seon Song

Research output: Contribution to journalArticlepeer-review

20 Scopus citations

Abstract

In the present study, virus-like particles (VLPs) were evaluated as a candidate veterinary vaccine against canine influenza virus (CIV) subtype H3N2. Specific pathogen-free (SPF) beagle dogs received a single injection of a VLP vaccine containing hemagglutinin (HA) and M1 protein of CIV H3N2 (H3 HA VLP). The vaccine was tested at 3 different doses with an adjuvant and 1 dose without an adjuvant. To evaluate the immunogenicity and protective efficacy of the H3 HA VLP vaccine, we performed hemagglutination inhibition tests to determine serological immune responses and conducted challenge studies using SPF beagle dogs. The addition of Montanide ISA 25 adjuvant significantly increased the immunogenicity of the H3 HA VLP vaccine. The experimental infection study showed that a single dose of H3 HA VLP vaccine induced protection against wild-type virus challenge in dogs. These results provide support for continued development of the VLP as an animal vaccine against influenza virus.

Original languageEnglish
Pages (from-to)3268-3273
Number of pages6
JournalVaccine
Volume31
Issue number32
DOIs
StatePublished - 2013

Keywords

  • Canine influenza
  • H3N2
  • Vaccine
  • Virus-like particle

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