Design and delivery of non-parenteral vaccines |
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Authors: | J Nugent AL Po EM Scott |
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Affiliation: | School of Pharmacy, The Queen's University of Belfast, Northern Ireland, UK. |
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Abstract: | Non-parenteral delivery of vaccines is reviewed focusing on the delivery systems that have been used for various mucosal routes of administration. Systems considered include biodegradable micro- and nanoparticles, liposomes, live bacterial and viral vectors and mucosal adjuvants. New approaches to mucosal vaccine formulation using: (i) gene fusion technology to create non-toxic derivatives of mucosal adjuvants, (ii) genetically inactivated antigens with a deletion in an essential gene, (iii) coexpression of an antigen and a specific cytokine that is important in the modulation and control of a mucosal immune response, and (iv) genetic material itself that would allow DNA or RNA uptake and its endogenous expression in the host cell are described. |
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