DNA vaccination protects against botulinum neurotoxin type F.
2003
Abstract A DNA vaccine was constructed which expressed the binding domain of Clostridium botulinum neurotoxin serotype F fused to a signal peptide. Three intra-muscular doses fully protected Balb/c mice against 10 4 MLD of serotype F toxin. Priming of the immune response by DNA vaccination followed by a single booster with type F binding domain protein resulted in high levels of antibody against the binding domain. This study demonstrates the utility of DNA vaccination for protection against botulinum neurotoxin type F and indicates that a prime-boost regimen could be an efficient method of generating antibody for passive immune therapy in cases of botulism involving serotype F toxin.
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