PMID: 7539669Feb 1, 1995Paper

Generation of rubella virus-neutralising antibodies by vaccination with synthetic peptides

FEMS Immunology and Medical Microbiology
K RobinsonR K Grencis

Abstract

Four short peptides from rubella virus proteins E1 and E2, predicted to contain B cell epitopes, were used to vaccinate BALB/c mice. Sera from peptide-vaccinated animals reacted with viral antigens in ELISA and three of the four induced virus-neutralising antibody (nAb) responses. Peptide PY4, in contrast to the others, induced IgG2a responses upon vaccination and stimulated spleen cells in vitro produced IFN gamma in the absence of IL-5. It was reasoned that vaccination with PY4 caused Th1 subset activation, the appropriate type of response for anti-viral immunity and hence the efficient neutralising antibody response. Presentation of peptide for vaccination proved to be as important as the sequence. Similar profiles of IgG1 and IgG2a were detected in the sera of mice vaccinated with PY4 in Freund's complete adjuvant or alum; however nAb responses were not found when alum was used.

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Citations

Jul 29, 1998·Journal of Molecular Biology·L CraigJ K Scott

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