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Erschienen in: Journal of Parasitic Diseases 3/2016

05.09.2014 | Original Article

The effect of chitosan nanospheres on the immunogenicity of Toxoplasma lysate vaccine in mice

verfasst von: Mona M. El Temsahy, Eman D. H. El Kerdany, Maha M. Eissa, Thanaa I. Shalaby, Iman M. Talaat, Nermine M. F. H. Mogahed

Erschienen in: Journal of Parasitic Diseases | Ausgabe 3/2016

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Abstract

Toxoplasmosis, a zoonotic parasitic disease, is a huge challenge for which there is no effective vaccine up till now. In this study, chitosan nanospheres encapsulated with Toxoplasma lysate vaccine was evaluated for its ability to protect mice against both acute and chronic toxoplasmosis models of infection. Results showed that chitosan nanospheres were equally effective to Freund’s incomplete adjuvant (FIA) in enhancing the efficacy of Toxoplasma lysate vaccine. The effectiveness was demonstrated by the delayed death of vaccinated mice following challenge either with virulent RH or avirulent Me49 strains, the significant decrease in parasite density in different organs, significant increase in the humoral and cellular immune response (IgG and IFN γ) with a marked reduction of pathological changes in the different organs. However chitosan nanospheres were superior to FIA due to their cost effective preparation and much less necrotic changes induced in the studied organs. The success of chitosan polymer as an alternative to commonly used adjuvants paves the way for the use of other newly developed polymers to be used in the field of vaccine development.
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Metadaten
Titel
The effect of chitosan nanospheres on the immunogenicity of Toxoplasma lysate vaccine in mice
verfasst von
Mona M. El Temsahy
Eman D. H. El Kerdany
Maha M. Eissa
Thanaa I. Shalaby
Iman M. Talaat
Nermine M. F. H. Mogahed
Publikationsdatum
05.09.2014
Verlag
Springer India
Erschienen in
Journal of Parasitic Diseases / Ausgabe 3/2016
Print ISSN: 0971-7196
Elektronische ISSN: 0975-0703
DOI
https://doi.org/10.1007/s12639-014-0546-z

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