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Protective immunity against equine herpesvirus type-1 (EHV-1) infection in mice induced by recombinant EHV-1 gD. 1998

Y Zhang, and P M Smith, and E B Tarbet, and N Osterrieder, and S R Jennings, and D J O'Callaghan
Department of Microbiology and Immunology, Louisiana State University Medical Center, School of Medicine in Shreveport, 71130, USA.

The ability of recombinant preparations of equine herpesvirus type 1 (EHV-1) glycoprotein D (gD) to elicit specific antibody and T lymphocyte responses in the BALB/c mouse model of respiratory infection was investigated. Recombinant gD (rgD) expressed as a glutathione-S-transferase (GST) fusion protein in Escherichia coli elicited both high titer neutralizing antibody (nAb) and CD4 T cell proliferative responses following subcutaneous or intranasal immunization, but elicited only a weak antibody response after intraperitoneal immunization. Protection against respiratory tract infection with pathogenic EHV-1 RacL11 was observed in mice immunized subcutaneously with GST-gD. Furthermore, the degree of protection correlated to the titer of nAb and the T cell response observed. Finally, GST-gD was more effective in protecting against respiratory RacL11 infection if delivered intranasally. These results confirm that gD plays an important role in eliciting the protective immune response against EHV-1 infection, and indicate that subunit vaccines containing preparations of gD may be very effective if delivered directly to the upper respiratory tract.

UI MeSH Term Description Entries
D008807 Mice, Inbred BALB C An inbred strain of mouse that is widely used in IMMUNOLOGY studies and cancer research. BALB C Mice, Inbred,BALB C Mouse, Inbred,Inbred BALB C Mice,Inbred BALB C Mouse,Mice, BALB C,Mouse, BALB C,Mouse, Inbred BALB C,BALB C Mice,BALB C Mouse
D012141 Respiratory Tract Infections Invasion of the host RESPIRATORY SYSTEM by microorganisms, usually leading to pathological processes or diseases. Respiratory System Infections,Upper Respiratory Tract Infection,Upper Respiratory Tract Infections,Infections, Respiratory,Infections, Respiratory Tract,Infections, Upper Respiratory,Infections, Upper Respiratory Tract,Respiratory Infections,Upper Respiratory Infections,Infection, Respiratory System,Infection, Respiratory Tract,Respiratory Infection, Upper,Respiratory System Infection,Respiratory Tract Infection
D003001 Cloning, Molecular The insertion of recombinant DNA molecules from prokaryotic and/or eukaryotic sources into a replicating vehicle, such as a plasmid or virus vector, and the introduction of the resultant hybrid molecules into recipient cells without altering the viability of those cells. Molecular Cloning
D004861 Herpesvirus 1, Equid A species of VARICELLOVIRUS causing abortion and respiratory disease in horses. Equine Herpesvirus 1,Equine abortion Virus,EHV-1,Equid Herpesvirus 1,Herpesvirus 1 (alpha), Equine,Equine abortion Viruses,Herpesvirus 1, Equine
D005260 Female Females
D006566 Herpesviridae Infections Virus diseases caused by the HERPESVIRIDAE. Herpesvirus Infections,B Virus Infection,Infections, Herpesviridae,Infections, Herpesvirus,B Virus Infections,Herpesviridae Infection,Herpesvirus Infection,Infection, B Virus,Infection, Herpesviridae,Infection, Herpesvirus,Infections, B Virus
D006736 Horses Large, hoofed mammals of the family EQUIDAE. Horses are active day and night with most of the day spent seeking and consuming food. Feeding peaks occur in the early morning and late afternoon, and there are several daily periods of rest. Equus caballus,Equus przewalskii,Horse, Domestic,Domestic Horse,Domestic Horses,Horse,Horses, Domestic
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D000914 Antibodies, Viral Immunoglobulins produced in response to VIRAL ANTIGENS. Viral Antibodies
D000918 Antibody Specificity The property of antibodies which enables them to react with some ANTIGENIC DETERMINANTS and not with others. Specificity is dependent on chemical composition, physical forces, and molecular structure at the binding site. Antibody Specificities,Specificities, Antibody,Specificity, Antibody

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