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A multi-epitope plant-made chimeric protein (LTBentero) targeting common enteric pathogens is immunogenic in mice
Edgar Asdrubal Trujillo García
Carlos Eliud Angulo Valadez
Acceso Abierto
ISSN: 1573-5028
DOI: 10.1007/s11103-019-00938-3
Enteric diseases, Recombinant protein, Plant-based vaccine, Multiepitopic, Antibody response
"Around 200 million people sufer gastroenteritis daily and more than 2 million people die annually in developing countries due to such pathologies. Vaccination is an alternative to control this global health issue, however new low-cost vaccines are needed to ensure proper vaccine coverage. In this context, plants are attractive hosts for the synthesis and delivery of subunit vaccines. Therefore, in this study a plant-made multiepitopic protein named LTBentero containing epitopes from antigens of enterotoxigenic E. coli, S. typhimurium, and V. parahaemolyticus was produced and found immunogenic in mice. The LTBentero protein was expressed in tobacco plants at up to 5.29 µg g−1 fresh leaf tissue and was deemed immunogenic when administered to BALB/c mice either orally or subcutaneously. The plant-made LTBentero antigen induced specifc IgG (systemic) and IgA (mucosal) responses against LTB, ST, and LptD epitopes. In conclusion, multiepitopic LTBentero was functionally produced in plant cells, being capable to trigger systemic and intestinal humoral responses and thus it constitutes a promising oral immunogen candidate in the fght against enteric diseases."
Plant Molecular Biology
Versión publicada
publishedVersion - Versión publicada
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