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Hum Vaccin Immunother. 2013 Feb;9(2):325-31. Epub 2013 Jan 4.

A CpG-containing oligodeoxynucleotide adjuvant for acellular pertussis vaccine improves the protective response against Bordetella pertussis.

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National Institute for Biological Standards and Control (NIBSC); South Mimms, Potters Bar, UK.


We investigated the adjuvant effect of CpG ODN alone or in combination with aluminum hydroxide on the immune response to the three main antigens presented in current acellular pertussis vaccines: pertussis toxoid, filamentous haemagglutinin and pertactin. The development of protection in mice was investigated for the intra-peritoneal and intra-nasal immunisation routes. The results showed that CpG ODN alone, or in combination with aluminum hydroxide, gave enhancement in anti-pertussis toxin, anti- filamentous haemagglutinin and especially anti-pertactin titers after mucosal immunisation. Higher macrophage NO levels indicating activation were found when the antigens were co-formulated with CpG ODN. Vaccines containing CpG ODN gave enhanced humoral and CMI responses with a shift toward Th-1 and increased protection against challenge infection with B.pertussis in mice.


Bordetella pertussis; CpG ODN; acellular pertussis vaccine; adjuvant

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