期刊
VACCINE
卷 27, 期 44, 页码 6148-6153出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.vaccine.2009.08.022
关键词
Botulinum neurotoxin; Vaccine; Replicon vector
We evaluated individual and bivalent replicon vaccines against Clostridium botulinum neurotoxin serotypes A (BoNT/A) or B (BoNT/B). The DNA replicon vaccine (pSCARSBHc) encoding the Hc domain of BoNT/B (BHc) induced better responses and protection against BoNT/B mouse challenge than conventional DNA vaccine. The dual-expressing DNA vaccine (pSCARSA/BHc) protected similarly to a DNA replicon vaccine mixture (pSCARSAHc + pSCARSBHc). Additionally, recombinant SFV particles, VRP-AHc or VRP-BHc, protected mice from high-dose BoNT/A or BoNT/B challenge, respectively. Mice given either dual-expressing VRP-A/BHc or mixture of VRP-AHc and VRP-BHc were protected from challenge with serotype A/B mixtures. These data justify further testing in other animals or humans. (C) 2009 Elsevier Ltd. All rights reserved.
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