期刊
EXPERT REVIEW OF VACCINES
卷 13, 期 10, 页码 1205-1214出版社
TAYLOR & FRANCIS LTD
DOI: 10.1586/14760584.2014.930667
关键词
antibody; Bordetella pertussis; Fim2; Fim3; fimbriae; serotype; vaccine
类别
资金
- Sanofi Pasteur
- GlaxoSmithKline
Bordetella pertussis produces two serologically distinct fimbriae, Fim2 and Fim3. Expression of these antigens is governed by the BvgA/S system and by the length of a poly(C) tract in the promoter of each gene. Fim2 and Fim3 are important antigens for whole cell pertussis vaccines as clinical trials have shown an association of anti-fimbriae antibody-mediated agglutination and protection. The current five component acellular pertussis vaccine contains co-purified Fim2/3 and provided good efficacy in clinical trials with the anti-Fim antibody response correlating with protection when pre and post exposure antibody levels were analysed. The predominant serotype of B. pertussis isolates has changed over time in most countries but it is not understood whether this is vaccine-driven or whether serotype is linked to the prevailing predominant genotype. Recent studies have shown that both Fim2 and Fim3 are expressed during infection and that Fim2 is more immunogenic than Fim3 in the acellular vaccine.
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