[Biodegradable microcapsules containing DNA for the new DNA vaccine design].

O. E. Selina, S. I. Belov, N. N. Vlasova, V. I. Balysheva, A. I. Churin, A. Bartkoviak, G. B. Sukhorukov, E. A. Markvicheva

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

A general method for the preparation of biodegradable microcapsules capable of antigen inclusion is suggested. Multilayer microcapsules were obtained by the method of level-by-level sorption of various polyelectrolytes (alginate, poly-L-lysine, kappa-carrageenan, and chitosan and dextran derivatives). High inclusion efficiency was found for protein and plasmid DNA (no less than 90%). A series of microcapsules with included pTKShi plasmid that incorporated a genome site encoding the E(2) polypeptide of the classic pig plague virus were obtained for carrying out in vivo experiments. It was shown that introduction to mice of microcapsules with the included pTKShi plasmid induced an immune response. The highest antibody titers of the mouse blood sera were obtained in immunization by microcapsules based on the modified dextran/carrageenan and modified chitosan/carrageenan. The method of antigen inclusion into biodegradable microcapsules could be used for the development of encapsulated vaccines of a new generation (DNA vaccines).

Original languageEnglish
Pages (from-to)113-121
Number of pages9
JournalBioorganicheskaia khimiia
Volume35
Issue number1
Publication statusPublished - Jan 2009
Externally publishedYes

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