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EFFECT OF WATER EXTRACT FROM BROWN PROPOLIS ON PRODUCTION OF IFN-γ AFTER IMMUNIZATION AGAINST CANINE PARVOVIRUS (CPV) AND CANINE CORONAVIRUS (CCoV)

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posted on 26.12.2018, 05:49 by Maureen Hoch Vieira Fernandes, Lilian das Neves Ferreira, Gilberto D'Avila Vargas, Geferson Fischer, Silvia de Oliveira Hübner

The purpose of this study was to evaluate the imunnostimulatory adjuvant capacity of water extract from brown propolis (WEBP) when added to a vaccine against canine parvovirus (CPV) and canine coronavirus (CCoV), regarding the production of IFN-γ. Mice were vaccinated with CPV and CCoV (3.0 x 106 TCID50) with or without 400 µg/dose of WEBP. Thirty days after the third dose, splenocytes were cultured to measure the expression levels of IFN-γ mRNA in the immunized animals. Increased levels of IFN-γ mRNA expression for CCoV were evidenced by RT-PCR, in the splenocytes of mice inoculated with the vaccine containing 400 μg/dose of WEBP, demonstrating the ability of propolis to stimulate cellular immune responses against the antigens of this virus. In contrast, the levels of IFN-γ to CPV were not influenced by the presence of WEBP.

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