A plasmid DNA containing two different expression cassettes was prepared to independently drive antigen 85B (85B) of Mycobacterium tuberculosis and HIV-Tat in C57BL/6 mice. In vivo expression of the plasmid was demonstrated by efficient transcription of 85B and Tat mRNAs in mouse fibroblasts. DNA-85B or DNA-(85B-Tat) were immunogenic and protected mice to the same extent against M. tuberculosis infection, with a decrease in the numbers of CFU lung-1 in comparison with nonimmunized animals down to levels (0.64 log10 CFU) not significantly different from protection conferred by bacillus Calmette-Guérin vaccine (0.97 log10 CFU decrease). Multipromoter plasmids, which permit the reduction of the total amount of DNA injected, can be useful for DNA vaccination against tuberculosis. © 2006 Federation of European Microbiological Societies Published by Blackwell Publishing Ltd. All rights reserved.
CITATION STYLE
Pardini, M., Giannoni, F., Palma, C., Iona, E., Cafaro, A., Brunori, L., … Cassone, A. (2006). Immune response and protection by DNA vaccines expressing antigen 85B of Mycobacterium tuberculosis. FEMS Microbiology Letters, 262(2), 210–215. https://doi.org/10.1111/j.1574-6968.2006.00390.x
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