Prior immunologic experience potentiates the subsequent antibody response when Salmonella strains are used as vaccine carriers

Author:

Bao J X1,Clements J D1

Affiliation:

1. Department of Microbiology and Immunology, Tulane University School of Medicine, New Orleans, Louisiana 70112.

Abstract

Prior immunologic experience with homologous and heterologous serotype Salmonella strains potentiated the subsequent antibody response when the same strains were used as vaccine carriers of foreign antigens. This potentiation was positively correlated with the appearance of antibody directed against the lipopolysaccharide of the carrier strain. Both serum and mucosal antibody responses against the foreign antigen increased over time. Antibody responses in sera of animals primed with either the homologous or heterologous serotype strain were not statistically significantly different, while animals primed with the homologous serotype strain developed significantly better mucosal antibody responses against the foreign antigen.

Publisher

American Society for Microbiology

Subject

Infectious Diseases,Immunology,Microbiology,Parasitology

Reference38 articles.

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5. Curtiss R. III R. Goldschmidt S. Kelly M. Lyons S. Michalek R. Pastian and S. Stein. 1987. Recombinant avirulent Salmonella for oral immunization to induce mucosal immunity to bacterial pathogens p. 261-271. In H. Kohler and P. T. LoVerde (ed.) Vaccines: new concepts and developments. Proceedings of the 10th International Convocation on Immunology. Longman Scientific and Technical Harlow Essex United Kingdom.

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