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The corn smut-made cholera oral vaccine is thermostable and induces long-lasting immunity in mouse
Elizabeth Monreal Escalante
GABRIELA NAVARRO TOVAR
AMALIA FERNANDA LEON GALLO
Margarita Juárez Montiel
ALICIA BECERRA FLORA
JUAN FRANCISCO JIMENEZ BREMONT
SERGIO ROSALES MENDOZA
Acceso Abierto
Atribución-NoComercial-SinDerivadas
https://doi.org/10.1016/j.jbiotec.2016.04.047
Cholera
Low-cost vaccine
Oral immunization
Cold chain
Neutralizing antibodies
Cholera toxin
"The use of corn smut for the production of recombinant vaccines has been recently implemented by our group. In this study, the stability and immunogenic properties of the corn smut-based cholera vaccine, based on the cholera toxin B subunit (CTB), were determined in mouse. The immunogenic potential of distinct corn smut CTB doses ranging from 1 to 30 ?g were assessed, with maximum humoral responses at both the systemic (IgG) and intestinal (IgA) levels at a dose of 15 ?g. The humoral response last for up to 70 days after the third boost. Mice were fully protected against a challenge with cholera toxin after receiving three 15 ?g-doses. Remarkably, the corn smut-made vaccine retained its immunogenic activity after storage at room temperature for a period of 1 year and no reduction on CTB was observed following exposure at 50 °C for 2 h. These data support the use of the corn smut-made CTB vaccine as a highly stable and effective immunogen and justify its evaluation in target animal models, such as piglet and sheep, as well as clinical evaluations in humans."
Elsevier
2016
Artículo
Elizabeth Monreal-Escalante, Gabriela Navarro-Tovar, Amalia León-Gallo, Margarita Juárez-Montiel, Alicia Becerra-Flora, Juan Francisco Jiménez-Bremont, Sergio Rosales-Mendoza, The corn smut-made cholera oral vaccine is thermostable and induces long-lasting immunity in mouse, Journal of Biotechnology, Volume 234, 2016, Pages 1-6.
MICROBIOLOGÍA
Versión aceptada
acceptedVersion - Versión aceptada
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