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  • Title: Immunoprophylaxis of multi-antigen peptide (MAP) vaccine for human lymphatic filariasis.
    Author: Immanuel C, Ramanathan A, Balasubramaniyan M, Khatri VK, Amdare NP, Rao DN, Reddy MVR, Perumal K.
    Journal: Immunol Res; 2017 Jun; 65(3):729-738. PubMed ID: 28432603.
    Abstract:
    Human lymphatic filariasis, the parasitic disease caused by the filarial nematodes Wuchereria bancrofti, Brugia malayi, and Brugia timori, is ranked as the second most complex clinical condition leading to permanent and long-term disability. The multiple antigen peptide (MAP) approach is an effective method to chemically synthesize and deliver multiple T and B cell epitopes as the constituents of a single immunogen. Here, we report on the design, chemical synthesis, and immunoprophylaxis of three epitopes that have been identified from promising vaccine candidates reported in our previous studies, constructed as MAP on an inert lysine core for human lymphatic filariasis in Jird model. Two epitopes from Thioredoxin and one epitope from Transglutaminase were constructed as MAP in an inert lysine core. The immunoprophylaxis of the synthetic vaccine construct studied in Jird models showed protective antibody (1 in 64,000 titer) and cellular immune response. Thioredoxin-Transglutaminase MAP (TT MAP) conferred a significantly high protection of 63.04% compared to control (8.5%). Multi-antigen peptide vaccine is one best approach to provide immunity against multiple antigens delivered by the complex filarial parasite.
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