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Biolistic-mediated gene transfer using the bovine herpesvirus-1 glycoprotein D is an effective delivery system to induce neutralizing antibodies in its natural host

, : Biolistic-mediated gene transfer using the bovine herpesvirus-1 glycoprotein D is an effective delivery system to induce neutralizing antibodies in its natural host. Journal of Immunological Methods 245(1/2): 109-118

A genetic vaccine consisting of the bovine herpesvirus-1 (BHV-1) glycoprotein D (gD) gene was constructed and administered to cattle using the biolistic (gene-gun) process. Results were compared to standard intramuscular injection of an inactivated whole BHV-1 commercial vaccine. Cattle genetically immunized by the gene-gun-delivered gD subunit vaccine developed high titers of IgG antibodies specific to gD demonstrating that this immunization method is a potent humoral response inducer. Further, gene-gun vaccinated cattle produced high neutralizing antibody titers to BHV-1 similar to levels induced in the commercial vaccine immunized animals. Additionally, cellular immunity was measured by an increased level of IFN-gamma mRNA detected in PBMC of cattle immunized with the gD gene or with the commercial vaccine, whereas augmented levels of IL-4 were not detected following vaccination. Because of its simplicity and effectiveness in inducing an immune response in cattle similar to a commercial vaccine, gene-gun delivery of a subunit BHV-1 gD vaccine would be a viable alternative to current immunization protocols.


PMID: 11042288

DOI: 10.1016/s0022-1759(00)00267-2

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