Response of IFN-y and IL-4 in mice inoculated withrabies virus recombinant G protein
DOI:
https://doi.org/10.22319/rmcp.v6i4.4102Keywords:
Rabies, Baculovirus, Maize, IFN-g, IL-4Abstract
The aim of this study was to compare the performance of IFN- and IL-4 in mice inoculated with recombinant rabiesvirus G protein that was expressed either in transgenic maize or baculovirus. For this purpose, groups of mice wereinoculated as follows: Group 1, inactivated rabies vaccine im; Group 2, plant-derived recombinant G protein orally;Group 3, baculovirus-expressed G protein im; Group 4, baculovirus-expressed G protein orally; and group 5,untransformed maize orally. The levels of IFN- and IL-4 and specific antibodies were evaluated every 15 d. Achallenge was performed at d 60 post-inoculation (pi). Groups 1 and 3 promoted the best humoral response. Onthe other hand, the results showed that the same groups showed the best levels of IFN- at d 10 pi; while thepick of IL4 was detected at d 15 pi. For the survival study, 83 % of the mice immunized with inactivated vaccine,maize or im baculovirus extracts survived viral infection. The recombinant rabies G protein expressed in baculoviruspromoted IFN- and antibodies in a similar way to the inactivated rabies vaccine. In spite of this, mice fed withtransgenic maize survived to the challenge at the same percentage than group 3.
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