Comparison of protection levels against pseudorabies virus infection of transgenic mice expressing a soluble form of porcine nectin-1/HveC and vaccinated mice

Etsuro Ono, Yukiko Tomioka, Satoshi Taharaguchi, Pierre Cherel

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

We recently generated transgenic mice expressing a soluble form of porcine nectin-1 (PHveCIg) showing remarkable resistance to pseudorabies virus (PRV) infection. Nectin-1, also known as herpesvirus entry mediator C (HveC), is an alphaherpesvirus receptor that binds to virion glycoprotein D (gD). In order to evaluate the level of resistance to PRV infection induced by the expression of PHveCIg in the transgenic mice, the protective effects of vaccinated and transgenic mice were directly compared. Mice were immunized with a live vaccine, through intraperitoneal injection of PRV strain Begonia (an attenuated vaccine strain deleted for gE and thymidine kinase genes) at 4 weeks before challenge. The vaccinated and transgenic mice were challenged with 10LD50, 20LD50 or 50LD50 of PRV strainYS-81 via intranasal route. In the vaccinated mice, no protection was observed in the challenges with 20LD50 and 50LD50. Only two out of six vaccinated mice survived in the challenge with 10LD50. In contrast, four transgenic mouse lines showed significant resistance to PRV infection, although the survival rates varied in the challenge with each viral dose. These results demonstrate clearly the high potential of transgenic strategy in control of pseudorabies.

Original languageEnglish
Pages (from-to)327-330
Number of pages4
JournalVeterinary Microbiology
Volume114
Issue number3-4
DOIs
Publication statusPublished - May 31 2006

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Suid Herpesvirus 1
Suid herpesvirus 1
Virus Diseases
Transgenic Mice
Swine
genetically modified organisms
swine
mice
infection
Begoniaceae
Pseudorabies
live vaccines
Attenuated Vaccines
Thymidine Kinase
Intraperitoneal Injections
Virion
Glycoproteins
thymidine kinase
Begonia
Vaccines

All Science Journal Classification (ASJC) codes

  • Microbiology
  • veterinary(all)

Cite this

Comparison of protection levels against pseudorabies virus infection of transgenic mice expressing a soluble form of porcine nectin-1/HveC and vaccinated mice. / Ono, Etsuro; Tomioka, Yukiko; Taharaguchi, Satoshi; Cherel, Pierre.

In: Veterinary Microbiology, Vol. 114, No. 3-4, 31.05.2006, p. 327-330.

Research output: Contribution to journalArticle

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