Aguila, A., Donachie, A. M., Peyre, M., McSharry, C. P., Sesardic, D. and Mowat, A. M. (2006) Induction of protective and mucosal immunity against diphtheria by a immune stimulating complex (ISCOMS) based vaccine. Vaccine, 24, pp. 5201-5210. (doi: 10.1016/j.vaccine.2006.03.081) (PMID:16650917)
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Abstract
There is increasing concern over the efficacy of existing vaccines for diphtheria and there is interest in the development of a mucosally active formulation which might improve local protection. Lipophilic immune stimulating complexes (ISCOMS) containing Quil A are active by both parenteral and mucosal routes and here we have established methods for incorporating palmitified diphtheria toxoid (DT) into ISCOMS. The resulting formulation was immunogenic by the subcutaneous, oral and intranasal routes, with very low doses of DT inducing systemic humoral immune responses, as well as cell mediated immunity including both γIFN and IL5 production. Intranasal immunisation with DT in ISCOMS also stimulated significant local antibody production in tracheal washes, as well as cellular immunity in draining lymphoid tissues and serum neutralising antibodies. Finally, subcutaneous immunisation of guinea pigs with DT in ISCOMS primed protective immunity against challenge with diphtheria holotoxin more efficiently than the equivalent doses of DT in the conventional alum vaccine. ISCOMS based vaccines may provide a novel strategy for mucosal and systemic immunisation against diphtheria.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Mowat, Professor Allan and Donachie, Ms Anne Marie and McSharry, Dr Charles |
| Authors: | Aguila, A., Donachie, A. M., Peyre, M., McSharry, C. P., Sesardic, D., and Mowat, A. M. |
| College/School: | College of Medical Veterinary and Life Sciences College of Medical Veterinary and Life Sciences > School of Infection & Immunity |
| Journal Name: | Vaccine |
| Publisher: | Elsevier |
| ISSN: | 0264-410X |
| ISSN (Online): | 1873-2518 |
| Published Online: | 17 April 2006 |
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