Abstract
During the next decade, it is likely that current whole-cell whooping cough vaccines prepared from inactivated Bordetella pertussis will be replaced by component vaccines of defined purity and composition that offer higher efficacy and reduced reactogenicity. The principal B. pertussis antigens under consideration for such vaccines are pertussis toxin (PT), filamentous hemagglutinin (FHA), pertactin (69 kDa protein) and fimbrial agglutinogens. Although PT is a potent immunogen, it is also a major virulence factor of B. pertussis. However, the chemical treatments now used to inactivate PT can reduce its immunogenicity, and depending on the method used, may be susceptible to reversion. An ideal approach to PT detoxification is the genetic replacement or removal of a few critical functional amino acid residues so that three-dimensional structure and immunogenicity are only minimally impaired.
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© 1991 Plenum Press, New York
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Cockle, S. et al. (1991). Development of Non-Toxigenic Vaccine Strains of Bordetella pertussis by Gene Replacement. In: Atassi, M.Z. (eds) Immunobiology of Proteins and Peptides VI. Advances in Experimental Medicine and Biology, vol 303. Springer, Boston, MA. https://doi.org/10.1007/978-1-4684-6000-1_24
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DOI: https://doi.org/10.1007/978-1-4684-6000-1_24
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