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We have previously reported that the N-terminal domain of the antigen Tc52 (NTc52) is the section of the protein that confers the strongest protection against Trypanosoma cruzi infection. To improve vaccine efficacy, we conducted here a prime-boost strategy (NTc52PB) by inoculating two doses of pcDNA3.1 encoding the NTc52 DNA carried by attenuated Salmonella (SNTc52), followed by two doses of recombinant...
Research and development of new drugs effective in the treatment of Trypanosoma cruzi infections are a real need for the 16 million people infected in the Americas. In a previous work, a quinoline derivative substituted by a 2-piperidylmethyl moiety showed to be active against Chagas disease and was considered a lead compound for further optimization. A series of ten analogous derivatives were tested...
Cruzipain (Cz), a key Trypanosoma cruzi enzyme, is a main candidate antigen for vaccines against Chagas’ disease. We evaluated a vaccination protocol based on intradermal priming with recombinant Cz and intranasal boosting with rCz co-administered with a derivative of the TLR2/6 agonist MALP-2. Vaccination triggered strong systemic and mucosal antibody responses, and a vigorous cell-mediated immunity...
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