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Infect. Immun., Jan 1998, 391-393, Vol 66, No. 1
Copyright © 1998, American Society for Microbiology

Capsular polysaccharide-fimbrial protein conjugate vaccine protects against Porphyromonas gingivalis infection in SCID mice reconstituted with human peripheral blood lymphocytes

JI Choi, RE Schifferle, F Yoshimura and BW Kim
Department of Pediatrics, University of Rochester, New York 14642, USA. vaccine@cc.urmc.rochester.edu

The effect of immunization with either a Porphyromonas gingivalis fimbrial protein, a capsular polysaccharide, or a capsular polysaccharide-fimbrial protein conjugate vaccine were compared in hu- PBL-SCID mice. A significantly higher human immunoglobulin G antibody response and the highest degree of in vivo protection against bacterial challenge was observed in the group immunized with the conjugate vaccine. It was concluded that capsular polysaccharide-fimbrial protein conjugate from P. gingivalis could potentially be developed as a vaccine against periodontal infection by P. gingivalis.


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