New approaches to development of mucosal vaccine against enteric bacterial pathogens; preventing campylobacteriosis

Although vaccination, after having been more than 200 years in medical practice, has proven to be the most effective and the cheapest way to prevent infectious diseases, they remain still the main cause of human premature deaths. As many pathogens enter the human body through the mucosal surfaces, t...

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Bibliographic Details
Published in:Polish journal of microbiology 2004, Vol.53 Suppl, p.7-15
Main Authors: Jagusztyn-Krynicka, Elzbieta K, Wyszyńska, Agnieszka, Raczko, Anna
Format: Article
Language:English
Subjects:
Adjuvants, Immunologic - pharmacology
Animals
Bacterial Vaccines - immunology
Bacterial Vaccines - therapeutic use
Campylobacter - immunology
Campylobacter Infections - immunology
Campylobacter Infections - prevention & control
Campylobacter jejuni
Campylobacteriosis
Chickens
Food Microbiology
Genome, Bacterial
Humans
Immunity, Mucosal - immunology
Mucosa
Vaccines
Vaccines, DNA - immunology
Vaccines, Subunit - immunology
Vaccines, Subunit - therapeutic use
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Summary:Although vaccination, after having been more than 200 years in medical practice, has proven to be the most effective and the cheapest way to prevent infectious diseases, they remain still the main cause of human premature deaths. As many pathogens enter the human body through the mucosal surfaces, the mucosal way of immunization is considered to be the most promising strategy to decrease the number of human infections. Moreover, the oral delivery system eliminates the necessity of injection what is extremely important for pediatric immunization programs. However, most of recently constructed subunit vaccines based on purified bacterial/viral antigens are rather poorly immunogenic. This review presents some novel ways to enhance and modulate host immune responses by combining antigens with specific adjuvants or by employing specific delivery systems. We also discuss some recent technologies, based on mining the genomic sequences of bacterial pathogens, which accelarate and improve identification of new candidates for vaccine construction. As an example, we focus on the progress in the development of vaccine against Campylobacter spp. Campylobacter jejuni is now recognized as a leading cause of bacterial enteritis in human.
ISSN:1733-1331
2544-4646