Evaluation of the immune response to Anaplasma marginale MSP5 protein using a HSV-1 amplicon vector system or recombinant protein
Anaplasma marginale is an intraerythrocytic vector-borne infectious agent of cattle. Immunization with the current vaccine, based on parasitized erythrocytes with live Anaplasma centrale, shows some constraints and confers partial protection, suggesting the feasibility for the development of new generation of vaccines. The aim of the present study was to assess the effect of sequential immunization of BALB/c mice, with herpesvirus amplicon vector-based vaccines combined with protein-based vaccines, on the quality of the immune response against the major surface protein 5 of A. marginale. The highest antibody titers against MSP5 were elicited in mice that received two doses of adjuvanted recombinant protein (p < 0.0001). Mice treated with a heterologous prime-boost strategy generated sustained antibody titers at least up to 200 days, and a higher specific cellular response. The results presented here showed that sequential immunization with HSV-based vectors and purified antigen enhances the quality of the immune response against A. marginale.
Main Authors: | Palacios, Carlos Adolfo, Torioni, Susana Marta, Mattion, Nora Marta |
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Format: | info:ar-repo/semantics/artículo biblioteca |
Language: | eng |
Published: |
2014-12
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Subjects: | Anaplasma Marginale, Respuesta Inmunológica, Proteínas Recombinantes, Vectores, Ganado Bovino, Immune Response, Recombinant Proteins, Vectors, Cattle, |
Online Access: | https://www.sciencedirect.com/science/article/pii/S003452881400294X http://hdl.handle.net/20.500.12123/3028 https://doi.org/10.1016/j.rvsc.2014.10.005 |
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