A recombinant multi-antigen vaccine formulation containing Babesia bovis merozoite surface antigens MSA-2a1, MSA- 2b and MSA-2c elicits invasion-inhibitory antibodies and IFN-γ producing cells
Background: Babesia bovis is a tick-transmitted protozoan hemoparasite and the causative agent of bovine babesiosis, a potential risk to more than 500 million cattle worldwide. The vaccines currently available are based on attenuated parasites, which are difficult to produce, and are only recommend...
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| Format: | Artículo |
| Language: | Inglés |
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2017
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| Online Access: | http://hdl.handle.net/20.500.12123/1000 https://parasitesandvectors.biomedcentral.com/articles/10.1186/s13071-016-1862-1 http://ri.conicet.gov.ar/handle/11336/18273 https://doi.org/10.1186/s13071-016-1862-1 |
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| author | Gimenez, Alba Marina Françoso, Katia S. Ersching, Jonatan Icimoto, Marcelo Y. Oliveira, Vitor Rodriguez, Anabel Elisa Schnittger, Leonhard Florin-Christensen, Mónica Rodrigues, Mauricio M. Soares, Irene S. |
| author_browse | Ersching, Jonatan Florin-Christensen, Mónica Françoso, Katia S. Gimenez, Alba Marina Icimoto, Marcelo Y. Oliveira, Vitor Rodrigues, Mauricio M. Rodriguez, Anabel Elisa Schnittger, Leonhard Soares, Irene S. |
| author_facet | Gimenez, Alba Marina Françoso, Katia S. Ersching, Jonatan Icimoto, Marcelo Y. Oliveira, Vitor Rodriguez, Anabel Elisa Schnittger, Leonhard Florin-Christensen, Mónica Rodrigues, Mauricio M. Soares, Irene S. |
| author_sort | Gimenez, Alba Marina |
| collection | INTA Digital |
| description | Background: Babesia bovis is a tick-transmitted protozoan hemoparasite and the causative agent of bovine babesiosis, a potential risk to more than 500 million cattle worldwide. The vaccines currently available are based on
attenuated parasites, which are difficult to produce, and are only recommended for use in bovines under one year of age. When used in older animals, these vaccines may cause life-threatening clinical symptoms and eventually death. The development of a multi-subunit recombinant vaccine against B. bovis would be attractive from an economic standpoint and, most importantly, could be recommended for animals of any age. In the present study, recombinant ectodomains of MSA-2a1, MSA-2b and MSA-2c antigens were expressed in Pichia pastoris yeast as secreted soluble peptides.
Results: The antigens were purified to homogeneity, and biochemically and immunologically characterized. A vaccine formulation was obtained by emulsifying a mixture of the three peptides with the adjuvant Montanide ISA
720, which elicited high IgG antibody titers against each of the above antigens. IgG antibodies generated against each MSA-antigen recognized merozoites and significantly inhibited the invasion of bovine erythrocytes. Cellular immune responses were also detected, which were characterized by splenic and lymph node CD4+ T cells producing IFN-γ and TNF-α upon stimulation with the antigens MSA-2a1 or MSA-2c. |
| format | Artículo |
| id | INTA1000 |
| institution | Instituto Nacional de Tecnología Agropecuaria (INTA -Argentina) |
| language | Inglés |
| publishDate | 2017 |
| publishDateRange | 2017 |
| publishDateSort | 2017 |
| record_format | dspace |
| spelling | INTA10002019-01-24T17:48:02Z A recombinant multi-antigen vaccine formulation containing Babesia bovis merozoite surface antigens MSA-2a1, MSA- 2b and MSA-2c elicits invasion-inhibitory antibodies and IFN-γ producing cells Gimenez, Alba Marina Françoso, Katia S. Ersching, Jonatan Icimoto, Marcelo Y. Oliveira, Vitor Rodriguez, Anabel Elisa Schnittger, Leonhard Florin-Christensen, Mónica Rodrigues, Mauricio M. Soares, Irene S. Babesia Bovis Enfermedades de los Animales Vacuna Antígenos Anticuerpos Vaccines Antigens Antibodies Animal Diseases Background: Babesia bovis is a tick-transmitted protozoan hemoparasite and the causative agent of bovine babesiosis, a potential risk to more than 500 million cattle worldwide. The vaccines currently available are based on attenuated parasites, which are difficult to produce, and are only recommended for use in bovines under one year of age. When used in older animals, these vaccines may cause life-threatening clinical symptoms and eventually death. The development of a multi-subunit recombinant vaccine against B. bovis would be attractive from an economic standpoint and, most importantly, could be recommended for animals of any age. In the present study, recombinant ectodomains of MSA-2a1, MSA-2b and MSA-2c antigens were expressed in Pichia pastoris yeast as secreted soluble peptides. Results: The antigens were purified to homogeneity, and biochemically and immunologically characterized. A vaccine formulation was obtained by emulsifying a mixture of the three peptides with the adjuvant Montanide ISA 720, which elicited high IgG antibody titers against each of the above antigens. IgG antibodies generated against each MSA-antigen recognized merozoites and significantly inhibited the invasion of bovine erythrocytes. Cellular immune responses were also detected, which were characterized by splenic and lymph node CD4+ T cells producing IFN-γ and TNF-α upon stimulation with the antigens MSA-2a1 or MSA-2c. Inst. de Patobiología Fil: Gimenez, Alba Marina. Universidade Federal de São Paulo. Escola Paulista de Medicina. Departamento de Microbiologia, Imunologia e Parasitologia; Brasil Fil: Françoso, Katia S. Universidade de Sao Paulo. Faculdade de Ciências Farmacêuticas. Departamento de Análises Clínicas e Toxicológicas; Brasil Fil: Ersching, Jonatan. Universidade Federal de São Paulo. Escola Paulista de Medicina. Departamento de Microbiologia, Imunologia e Parasitologia; Brasil Fil: Icimoto, Marcelo Y. Universidade Federal de Sao Paulo. Departamento de Biofísica; Brasil Fil: Oliveira, Vitor. Universidade Federal de Sao Paulo. Departamento de Biofísica; Brasil Fil: Rodriguez, Anabel Elisa. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Patobiología; Argentina Fil: Schnittger, Leonhard. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Patobiología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Florin-Christensen, Mónica. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Patobiología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Françoso, Katia S. Universidade de São Paulo. Faculdade de Ciências Farmacêuticas. Departamento de Análises Clínicas e Toxicológicas; Brasil Fil: Rodrigues, Mauricio M. Universidade Federal de São Paulo. Escola Paulista de Medicina. Departamento de Microbiologia, Imunologia e Parasitologia; Brasil Fil: Soares, Irene S. Universidade de Sao Paulo. Faculdade de Ciências Farmacêuticas. Departamento de Análises Clínicas e Toxicológicas; Brasil 2017-08-22T12:48:55Z 2017-08-22T12:48:55Z 2016 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion info:ar-repo/semantics/artículo http://hdl.handle.net/20.500.12123/1000 https://parasitesandvectors.biomedcentral.com/articles/10.1186/s13071-016-1862-1 http://ri.conicet.gov.ar/handle/11336/18273 1756-3305 https://doi.org/10.1186/s13071-016-1862-1 eng info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by-nc-sa/4.0/ Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) application/pdf Parasites and vectors 9 (1) : 577. (2016) |
| spellingShingle | Babesia Bovis Enfermedades de los Animales Vacuna Antígenos Anticuerpos Vaccines Antigens Antibodies Animal Diseases Gimenez, Alba Marina Françoso, Katia S. Ersching, Jonatan Icimoto, Marcelo Y. Oliveira, Vitor Rodriguez, Anabel Elisa Schnittger, Leonhard Florin-Christensen, Mónica Rodrigues, Mauricio M. Soares, Irene S. A recombinant multi-antigen vaccine formulation containing Babesia bovis merozoite surface antigens MSA-2a1, MSA- 2b and MSA-2c elicits invasion-inhibitory antibodies and IFN-γ producing cells |
| title | A recombinant multi-antigen vaccine formulation containing Babesia bovis merozoite surface antigens MSA-2a1, MSA- 2b and MSA-2c elicits invasion-inhibitory antibodies and IFN-γ producing cells |
| title_full | A recombinant multi-antigen vaccine formulation containing Babesia bovis merozoite surface antigens MSA-2a1, MSA- 2b and MSA-2c elicits invasion-inhibitory antibodies and IFN-γ producing cells |
| title_fullStr | A recombinant multi-antigen vaccine formulation containing Babesia bovis merozoite surface antigens MSA-2a1, MSA- 2b and MSA-2c elicits invasion-inhibitory antibodies and IFN-γ producing cells |
| title_full_unstemmed | A recombinant multi-antigen vaccine formulation containing Babesia bovis merozoite surface antigens MSA-2a1, MSA- 2b and MSA-2c elicits invasion-inhibitory antibodies and IFN-γ producing cells |
| title_short | A recombinant multi-antigen vaccine formulation containing Babesia bovis merozoite surface antigens MSA-2a1, MSA- 2b and MSA-2c elicits invasion-inhibitory antibodies and IFN-γ producing cells |
| title_sort | recombinant multi antigen vaccine formulation containing babesia bovis merozoite surface antigens msa 2a1 msa 2b and msa 2c elicits invasion inhibitory antibodies and ifn γ producing cells |
| topic | Babesia Bovis Enfermedades de los Animales Vacuna Antígenos Anticuerpos Vaccines Antigens Antibodies Animal Diseases |
| url | http://hdl.handle.net/20.500.12123/1000 https://parasitesandvectors.biomedcentral.com/articles/10.1186/s13071-016-1862-1 http://ri.conicet.gov.ar/handle/11336/18273 https://doi.org/10.1186/s13071-016-1862-1 |
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