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Sanchez Alberti, Andrés; Bivona, Augusto E; Cerny, Natacha; Schulze, Kai; Weißmann, Sebastian; Ebensen, Thomas; Morales, Celina; Padilla, Angel M; Cazorla, Silvia I; Tarleton, Rick L; Guzmán, Carlos A; Malchiodi, Emilio L
npj vaccines, 04/2017, Letnik: 2, Številka: 1Journal Article
The parasite is the causative agent of Chagas disease, a potentially life-threatening infection that represents a major health problem in Latin America. Several characteristics of this protozoan contribute to the lack of an effective vaccine, among them: its silent invasion mechanism, antigen redundancy and immunodominance without protection. Taking into account these issues, we engineered Traspain, a chimeric antigen tailored to present a multivalent display of domains from key parasitic molecules, combined with stimulation of the STING pathway by c-di-AMP as a novel prophylactic strategy. This formulation proved to be effective for the priming of functional humoral responses and pathogen-specific CD8 and CD4 T cells, compatible with a Th1/Th17 bias. Interestingly, vaccine effectiveness assessed across the course of infection, showed a reduction in parasite load and chronic inflammation in different proof of concept assays. In conclusion, this approach represents a promising tool against parasitic chronic infections.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Vir: Osebne bibliografije
in: SICRIS
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