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  • Title: Adjuvant and immunogenic activities of the 73kDa N-terminal alpha-domain of BrkA autotransporter and Cpn60/60kDa chaperonin of Bordetella pertussis.
    Author: Cainelli Gebara VC, Risoléo L, Lopes AP, Ferreira VR, Quintilio W, Lépine F, Silva WD, Raw I.
    Journal: Vaccine; 2007 Jan 08; 25(4):621-9. PubMed ID: 17011680.
    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.
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