An improved DNA vaccine against bovine herpesvirus-1 using CD40L and a chemical adjuvant induces specific cytotoxicity in mici
Bovine herpesvirus-1 (BoHV-1) uses many mechanisms to elude the immune system; one of them is spreading intracellularly, even in the presence of specific antiviral antibodies. Cytotoxic T lymphocytes (CTLs) are necessary to eliminate the virus. The main preventive strategy is vaccination based on in...
| Autores principales: | , , , , , , , |
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| Formato: | Artículo |
| Lenguaje: | Inglés |
| Publicado: |
Mary Ann Liebert
2021
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| Materias: | |
| Acceso en línea: | http://hdl.handle.net/20.500.12123/9126 https://www.liebertpub.com/doi/10.1089/vim.2020.0082 https://doi.org/10.1089/vim.2020.0082 |
| _version_ | 1855484336226172928 |
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| author | Langellotti, Cecilia Ana Gammella, Mariela Soria, Ivana Bellusci, Carolina Quattrocchi, Valeria Vermeulen, Elba Monica Mongini, Claudia Zamorano, Patricia Ines |
| author_browse | Bellusci, Carolina Gammella, Mariela Langellotti, Cecilia Ana Mongini, Claudia Quattrocchi, Valeria Soria, Ivana Vermeulen, Elba Monica Zamorano, Patricia Ines |
| author_facet | Langellotti, Cecilia Ana Gammella, Mariela Soria, Ivana Bellusci, Carolina Quattrocchi, Valeria Vermeulen, Elba Monica Mongini, Claudia Zamorano, Patricia Ines |
| author_sort | Langellotti, Cecilia Ana |
| collection | INTA Digital |
| description | Bovine herpesvirus-1 (BoHV-1) uses many mechanisms to elude the immune system; one of them is spreading intracellularly, even in the presence of specific antiviral antibodies. Cytotoxic T lymphocytes (CTLs) are necessary to eliminate the virus. The main preventive strategy is vaccination based on inactivated virus. These vaccines are poor inducers of cellular immune responses, and complicate serological diagnosis and determination of the real prevalence of infection. DNA vaccines are a good option because of the capacity of Differentiating Infected from Vaccinated Animals—(DIVA vaccine)—and may be the best way to induce cytotoxic responses. Although this type of vaccines leads to only weak “in vivo” expression and poor immune responses, incorporation of molecular and/or chemical adjuvants can improve the latter, both in magnitude and in direction. In this study, we have investigated the specific immune responses elicited in mice by DNA vaccines based on the BoHV-1 glycoprotein D (pCIgD) with and without two different adjuvants: a plasmid encoding for murine CD40L (pCD40L) or Montanide™ 1113101PR (101). Mice vaccinated with pCIgD+CD40L, pCIgD+101, and pCIgD+CD40L+101 developed significantly higher specific antibody titers against BoHV-1 than the pCIgD group (p < 0.01). The animals vaccinated with pCgD+pCD40L+101 raised significantly higher levels of IgG2a and IgG2b (p < 0.01 and p < 0.001, respectively) than mice vaccinated with pCIgD alone. On the contrary, when the activity of CTL against cells infected with BoHV-1 was measured, the vaccine pCgD+pCD40L+101 induced significantly higher levels of cytotoxicity activity (p < 0.001) than pCIgD alone. A significant increase in the CD4+ populations in the group receiving pCIgD+CD40L+101 in comparison with the pCIgD group was observed and, also, interferon gamma, interleukin (IL)-6, and IL-17A levels were higher. Considering the results obtained from this study for humoral and cellular responses in mice, the inclusion of pCD40L and 101 as adjuvants in a BoHV-1 DNA vaccine for cattle is highly recommendable. |
| format | Artículo |
| id | INTA9126 |
| institution | Instituto Nacional de Tecnología Agropecuaria (INTA -Argentina) |
| language | Inglés |
| publishDate | 2021 |
| publishDateRange | 2021 |
| publishDateSort | 2021 |
| publisher | Mary Ann Liebert |
| publisherStr | Mary Ann Liebert |
| record_format | dspace |
| spelling | INTA91262021-04-19T16:19:22Z An improved DNA vaccine against bovine herpesvirus-1 using CD40L and a chemical adjuvant induces specific cytotoxicity in mici Langellotti, Cecilia Ana Gammella, Mariela Soria, Ivana Bellusci, Carolina Quattrocchi, Valeria Vermeulen, Elba Monica Mongini, Claudia Zamorano, Patricia Ines Bovine Herpesvirus Vaccine Adjuvants Cytotoxicity Coadyuvantes de Vacunas Citotoxicidad Herpes Virus Bovino Mice Model Modelo de Ratón Bovine herpesvirus-1 (BoHV-1) uses many mechanisms to elude the immune system; one of them is spreading intracellularly, even in the presence of specific antiviral antibodies. Cytotoxic T lymphocytes (CTLs) are necessary to eliminate the virus. The main preventive strategy is vaccination based on inactivated virus. These vaccines are poor inducers of cellular immune responses, and complicate serological diagnosis and determination of the real prevalence of infection. DNA vaccines are a good option because of the capacity of Differentiating Infected from Vaccinated Animals—(DIVA vaccine)—and may be the best way to induce cytotoxic responses. Although this type of vaccines leads to only weak “in vivo” expression and poor immune responses, incorporation of molecular and/or chemical adjuvants can improve the latter, both in magnitude and in direction. In this study, we have investigated the specific immune responses elicited in mice by DNA vaccines based on the BoHV-1 glycoprotein D (pCIgD) with and without two different adjuvants: a plasmid encoding for murine CD40L (pCD40L) or Montanide™ 1113101PR (101). Mice vaccinated with pCIgD+CD40L, pCIgD+101, and pCIgD+CD40L+101 developed significantly higher specific antibody titers against BoHV-1 than the pCIgD group (p < 0.01). The animals vaccinated with pCgD+pCD40L+101 raised significantly higher levels of IgG2a and IgG2b (p < 0.01 and p < 0.001, respectively) than mice vaccinated with pCIgD alone. On the contrary, when the activity of CTL against cells infected with BoHV-1 was measured, the vaccine pCgD+pCD40L+101 induced significantly higher levels of cytotoxicity activity (p < 0.001) than pCIgD alone. A significant increase in the CD4+ populations in the group receiving pCIgD+CD40L+101 in comparison with the pCIgD group was observed and, also, interferon gamma, interleukin (IL)-6, and IL-17A levels were higher. Considering the results obtained from this study for humoral and cellular responses in mice, the inclusion of pCD40L and 101 as adjuvants in a BoHV-1 DNA vaccine for cattle is highly recommendable. Instituto de Virología Fil: Langellotti, Cecilia Ana. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Virología; Argentina Fil: Langellotti, Cecilia Ana. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Gammella, Mariela. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Virología; Argentina Fil: Gammella, Mariela. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Soria, Ivana. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Virología; Argentina Fil: Soria, Ivana. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Bellusci, Carolina. Universidad Nacional de Rio Negro. Sede Atlántica; Argentina Fil: Quattrocchi, Valeria. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Virología; Argentina Fil: Quattrocchi, Valeria. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Vermeulen, Elba Monica. Academia Nacional de Medicina de Buenos Aires. Instituto de Medicina Experimental (IMEX). Laboratorio de células presentadoras de antígeno y respuesta inflamatoria; Argentina Fil: Mongini, Claudia. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Virología; Argentina Fil: Mongini, Claudia. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Zamorano, Patricia Ines. Universidad del Salvador. Cátedra de Inmunología Aplicada; Argentina 2021-04-19T16:06:15Z 2021-04-19T16:06:15Z 2021-03 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://hdl.handle.net/20.500.12123/9126 https://www.liebertpub.com/doi/10.1089/vim.2020.0082 1557-8976 https://doi.org/10.1089/vim.2020.0082 eng info:eu-repograntAgreement/INTA/PNBIO-1131032/AR./Desarrollo de herramientas biotecnológicas para la prevención y el control de enfermedades pecuarias: vacunas, diagnóstico y eIdemiología molecular. info:eu-repo/semantics/restrictedAccess application/pdf Mary Ann Liebert Viral Immunology 34 (2) : 68-78 (Marzo 2021) |
| spellingShingle | Bovine Herpesvirus Vaccine Adjuvants Cytotoxicity Coadyuvantes de Vacunas Citotoxicidad Herpes Virus Bovino Mice Model Modelo de Ratón Langellotti, Cecilia Ana Gammella, Mariela Soria, Ivana Bellusci, Carolina Quattrocchi, Valeria Vermeulen, Elba Monica Mongini, Claudia Zamorano, Patricia Ines An improved DNA vaccine against bovine herpesvirus-1 using CD40L and a chemical adjuvant induces specific cytotoxicity in mici |
| title | An improved DNA vaccine against bovine herpesvirus-1 using CD40L and a chemical adjuvant induces specific cytotoxicity in mici |
| title_full | An improved DNA vaccine against bovine herpesvirus-1 using CD40L and a chemical adjuvant induces specific cytotoxicity in mici |
| title_fullStr | An improved DNA vaccine against bovine herpesvirus-1 using CD40L and a chemical adjuvant induces specific cytotoxicity in mici |
| title_full_unstemmed | An improved DNA vaccine against bovine herpesvirus-1 using CD40L and a chemical adjuvant induces specific cytotoxicity in mici |
| title_short | An improved DNA vaccine against bovine herpesvirus-1 using CD40L and a chemical adjuvant induces specific cytotoxicity in mici |
| title_sort | improved dna vaccine against bovine herpesvirus 1 using cd40l and a chemical adjuvant induces specific cytotoxicity in mici |
| topic | Bovine Herpesvirus Vaccine Adjuvants Cytotoxicity Coadyuvantes de Vacunas Citotoxicidad Herpes Virus Bovino Mice Model Modelo de Ratón |
| url | http://hdl.handle.net/20.500.12123/9126 https://www.liebertpub.com/doi/10.1089/vim.2020.0082 https://doi.org/10.1089/vim.2020.0082 |
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