alexa Immunization with radioattenuated yeast cells of Paracoccidioides brasiliensis induces a long lasting protection in BALB c mice.


Journal of Vaccines & Vaccination

Author(s): do Nascimento Martins EM, Reis BS, Fernandes VC, Costa MM, Goes AM,

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Abstract Paracoccidioides brasiliensis is the fungus agent of paracoccidioidomycosis, a chronic systemic disease prevalent in Latin America. The aim of the present work was to evaluate the protection elicited by the immunization of BALB/c mice with radioattenuated yeast cells of P. brasiliensis. The immunization promoted a long lasting protection against highly infective yeast forms of P. brasiliensis. A 99.5\% decrease in CFUs recovery was verified 90 days post challenge. At the same time the levels of IgG2a and IFN-gamma were high while a very low production of IL-10 and IL-5 was verified, suggesting that a Th1 pattern was dominant. This work shows the potential of radioattenuated yeast cells for the development of vaccines against fungi infections. This article was published in Vaccine and referenced in Journal of Vaccines & Vaccination

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