Adjuvant and immunogenic activities of the 73kDa N-terminal alpha-domain of BrkA autotransporter and Cpn60/60kDa chaperonin of Bordetella pertussis. - RIIP - Réseau International des Instituts Pasteur Access content directly
Journal Articles Vaccine Year : 2007

Adjuvant and immunogenic activities of the 73kDa N-terminal alpha-domain of BrkA autotransporter and Cpn60/60kDa chaperonin of Bordetella pertussis.

Abstract

A soluble fraction obtained from Bordetella pertussis was evaluated as adjuvant for the pertussis component of the Diphtheria-Pertussis-Tetanus (DPT) vaccine. High levels of antibodies were induced, and a 78% protection rate of mice challenged with live B. pertussis was observed. Two proteins were identified as the 73 kDa N-terminal alpha-domain of BrkA autotransporter protein and the Cpn60/60 kDa chaperonin. Both stimulated antibodies against pertussis and induced a 42% protection rate against the challenge. IgG1 and IgG2a were stimulated suggesting that the immune response could be modulated to produce Th1 or Th2.

Dates and versions

pasteur-00819998 , version 1 (02-05-2013)

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Vera C B Cainelli Gebara, Luciana Risoléo, Alexandre P y Lopes, Vera R F Ferreira, Wagner Quintilio, et al.. Adjuvant and immunogenic activities of the 73kDa N-terminal alpha-domain of BrkA autotransporter and Cpn60/60kDa chaperonin of Bordetella pertussis.. Vaccine, 2007, 25 (4), pp.621-9. ⟨10.1016/j.vaccine.2006.08.033⟩. ⟨pasteur-00819998⟩

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