Journal
VACCINE
Volume 24, Issue 40-41, Pages 6446-6455Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.vaccine.2006.05.085
Keywords
proteomics; Campylobacter jejuni; protein vaccine; traveller's diarrhoea
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Campylobacterjejuni is one of the most common causes of traveller's diarrhoea and food poisoning, therefore development of a vaccine is important. Using biochemical fractionation and mass spectrometry analysis, we identified more than 110 surface polypeptides. Eight C. jejuni identified surface proteins were expressed in Escherichia coli and purified. Mice were immunized with different doses of these purified proteins and challenged orally with C. jejuni strains ML1 and ML53. The degree of protection of mice was tested by intestinal colonization. At least two groups of mice vaccinated with purified proteins clear the infection faster than control mice. Here, we present the use of a proteornics based approach for the identification of novel protein based C jejuni vaccines for the first time. (c) 2006 Elsevier Ltd. All rights reserved.
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