M72 Fusion proteins in nanocapsules enhance BCG efficacy against bovine tuberculosis in a mouse model
- Autores
- Blanco, Federico Carlos; Onnainty, Renée; Marini, María Rocío; Klepp, Laura Ines; Garcia, Elizabeth Andrea; Vazquez, Cristina Lourdes; Canal, Ana María; Granero, Gladys; Bigi, Fabiana
- Año de publicación
- 2025
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- Mycobacterium bovis is the causative pathogen of bovine tuberculosis (bTB), a disease that affects cattle and other mammals, including humans. Currently, there is no efficient vaccine against bTB, underscoring the need for novel immunization strategies. The M72 fusion protein, composed of three polypeptides derived from Mycobacterium tuberculosis and M. bovis, has demonstrated protective efficacy against M. tuberculosis in clinical trials when combined with the AS01E adjuvant. Given the established efficacy of nanocapsule formulations as vaccine delivery systems, this study evaluated a novel immunization strategy combining BCG with either full-length M72 or a truncated M72 fused to a streptococcal albumin-binding domain (ABDsM72). Both antigens were encapsulated in chitosan/alginate nanocapsules and assessed in a murine M. bovis challenge model. Priming with BCG followed by an M72 boost significantly improved splenic protection compared to BCG alone, but it did not enhance pulmonary protection. Notably, boosting with ABDsM72 further increased the proportion of CD4+KLRG1-CXCR3+ T cells in the lungs of M. bovis-challenged mice, a key correlate of protective immunity. These findings demonstrate that chitosan/alginate-encapsulated antigens enhance BCG-induced immunity, supporting their potential as next-generation vaccine candidates for bTB control.
Instituto de Biotecnología
Fil: Blanco, Federico Carlos. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Agrobiotecnología y Biología Molecular; Argentina
Fil: Blanco, Federico Carlos. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Onnainty, Renée. Universidad Nacional de Córdoba. Facultad de Ciencias Químicas. Departamento de Ciencias Farmacéuticas. Unidad de Investigaciones y Desarrollo en Tecnología Farmacéutica (UNITEFA); Argentina
Fil: Onnainty, Renée. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Marini, M. Rocío. Universidad Nacional del Litoral. Facultad de Ciencias Veterinarias. Laboratorio de Anatomía Patológica; Argentina
Fil: Klepp, Laura Ines. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Agrobiotecnología y Biología Molecular; Argentina
Fil: Klepp, Laura Ines. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Garcia, Elizabeth Andrea. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Agrobiotecnología y Biología Molecular; Argentina
Fil: Garcia, Elizabeth Andrea. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Vazquez, Cristina Lourdes. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Agrobiotecnología y Biología Molecular; Argentina
Fil: Vazquez, Cristina Lourdes. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Canal, Ana María. Universidad Nacional del Litoral. Facultad de Ciencias Veterinarias. Laboratorio de Anatomía Patológica; Argentina
Fil: Granero, Gladys. Universidad Nacional de Córdoba. Facultad de Ciencias Químicas. Departamento de Ciencias Farmacéuticas. Unidad de Investigaciones y Desarrollo en Tecnología Farmacéutica (UNITEFA); Argentina
Fil: Granero, Gladys. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Bigi, Fabiana. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Agrobiotecnología y Biología Molecular; Argentina
Fil: Bigi, Fabiana. Consejo Nacional de investigaciones Científicas y Técnicas; Argentina - Fuente
- Pathogens 14 (6) : 592 (June 2025)
- Materia
-
Mycobacterium bovis
Mice
Vaccines
Chitosan
Bovine Tuberculosis
Nanocapsules
Ratón
Vacuna
Quitosano
Tuberculosis Bovina
Nanocápsula - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- http://creativecommons.org/licenses/by-nc-sa/4.0/
- Repositorio
- Institución
- Instituto Nacional de Tecnología Agropecuaria
- OAI Identificador
- oai:localhost:20.500.12123/22703
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M72 Fusion proteins in nanocapsules enhance BCG efficacy against bovine tuberculosis in a mouse modelBlanco, Federico CarlosOnnainty, RenéeMarini, María RocíoKlepp, Laura InesGarcia, Elizabeth AndreaVazquez, Cristina LourdesCanal, Ana MaríaGranero, GladysBigi, FabianaMycobacterium bovisMiceVaccinesChitosanBovine TuberculosisNanocapsulesRatónVacunaQuitosanoTuberculosis BovinaNanocápsulaMycobacterium bovis is the causative pathogen of bovine tuberculosis (bTB), a disease that affects cattle and other mammals, including humans. Currently, there is no efficient vaccine against bTB, underscoring the need for novel immunization strategies. The M72 fusion protein, composed of three polypeptides derived from Mycobacterium tuberculosis and M. bovis, has demonstrated protective efficacy against M. tuberculosis in clinical trials when combined with the AS01E adjuvant. Given the established efficacy of nanocapsule formulations as vaccine delivery systems, this study evaluated a novel immunization strategy combining BCG with either full-length M72 or a truncated M72 fused to a streptococcal albumin-binding domain (ABDsM72). Both antigens were encapsulated in chitosan/alginate nanocapsules and assessed in a murine M. bovis challenge model. Priming with BCG followed by an M72 boost significantly improved splenic protection compared to BCG alone, but it did not enhance pulmonary protection. Notably, boosting with ABDsM72 further increased the proportion of CD4+KLRG1-CXCR3+ T cells in the lungs of M. bovis-challenged mice, a key correlate of protective immunity. These findings demonstrate that chitosan/alginate-encapsulated antigens enhance BCG-induced immunity, supporting their potential as next-generation vaccine candidates for bTB control.Instituto de BiotecnologíaFil: Blanco, Federico Carlos. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Agrobiotecnología y Biología Molecular; ArgentinaFil: Blanco, Federico Carlos. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Onnainty, Renée. Universidad Nacional de Córdoba. Facultad de Ciencias Químicas. Departamento de Ciencias Farmacéuticas. Unidad de Investigaciones y Desarrollo en Tecnología Farmacéutica (UNITEFA); ArgentinaFil: Onnainty, Renée. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Marini, M. Rocío. Universidad Nacional del Litoral. Facultad de Ciencias Veterinarias. Laboratorio de Anatomía Patológica; ArgentinaFil: Klepp, Laura Ines. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Agrobiotecnología y Biología Molecular; ArgentinaFil: Klepp, Laura Ines. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Garcia, Elizabeth Andrea. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Agrobiotecnología y Biología Molecular; ArgentinaFil: Garcia, Elizabeth Andrea. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Vazquez, Cristina Lourdes. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Agrobiotecnología y Biología Molecular; ArgentinaFil: Vazquez, Cristina Lourdes. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Canal, Ana María. Universidad Nacional del Litoral. Facultad de Ciencias Veterinarias. Laboratorio de Anatomía Patológica; ArgentinaFil: Granero, Gladys. Universidad Nacional de Córdoba. Facultad de Ciencias Químicas. Departamento de Ciencias Farmacéuticas. Unidad de Investigaciones y Desarrollo en Tecnología Farmacéutica (UNITEFA); ArgentinaFil: Granero, Gladys. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Bigi, Fabiana. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Agrobiotecnología y Biología Molecular; ArgentinaFil: Bigi, Fabiana. Consejo Nacional de investigaciones Científicas y Técnicas; ArgentinaMDPI2025-06-17T14:10:38Z2025-06-17T14:10:38Z2025-06info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfhttp://hdl.handle.net/20.500.12123/22703https://www.mdpi.com/2076-0817/14/6/5922076-0817https://doi.org/10.3390/pathogens14060592Pathogens 14 (6) : 592 (June 2025)reponame:INTA Digital (INTA)instname:Instituto Nacional de Tecnología Agropecuariaenginfo:eu-repograntAgreement/INTA/2023-PD-L06-I116, Implementación de tecnologías y nuevas estrategias preventivas y terapéuticas para el desarrollo sustentable y eficiente de la producción animal en el marco de Una Saludinfo:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by-nc-sa/4.0/Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)2025-09-29T13:47:21Zoai:localhost:20.500.12123/22703instacron:INTAInstitucionalhttp://repositorio.inta.gob.ar/Organismo científico-tecnológicoNo correspondehttp://repositorio.inta.gob.ar/oai/requesttripaldi.nicolas@inta.gob.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:l2025-09-29 13:47:22.322INTA Digital (INTA) - Instituto Nacional de Tecnología Agropecuariafalse |
dc.title.none.fl_str_mv |
M72 Fusion proteins in nanocapsules enhance BCG efficacy against bovine tuberculosis in a mouse model |
title |
M72 Fusion proteins in nanocapsules enhance BCG efficacy against bovine tuberculosis in a mouse model |
spellingShingle |
M72 Fusion proteins in nanocapsules enhance BCG efficacy against bovine tuberculosis in a mouse model Blanco, Federico Carlos Mycobacterium bovis Mice Vaccines Chitosan Bovine Tuberculosis Nanocapsules Ratón Vacuna Quitosano Tuberculosis Bovina Nanocápsula |
title_short |
M72 Fusion proteins in nanocapsules enhance BCG efficacy against bovine tuberculosis in a mouse model |
title_full |
M72 Fusion proteins in nanocapsules enhance BCG efficacy against bovine tuberculosis in a mouse model |
title_fullStr |
M72 Fusion proteins in nanocapsules enhance BCG efficacy against bovine tuberculosis in a mouse model |
title_full_unstemmed |
M72 Fusion proteins in nanocapsules enhance BCG efficacy against bovine tuberculosis in a mouse model |
title_sort |
M72 Fusion proteins in nanocapsules enhance BCG efficacy against bovine tuberculosis in a mouse model |
dc.creator.none.fl_str_mv |
Blanco, Federico Carlos Onnainty, Renée Marini, María Rocío Klepp, Laura Ines Garcia, Elizabeth Andrea Vazquez, Cristina Lourdes Canal, Ana María Granero, Gladys Bigi, Fabiana |
author |
Blanco, Federico Carlos |
author_facet |
Blanco, Federico Carlos Onnainty, Renée Marini, María Rocío Klepp, Laura Ines Garcia, Elizabeth Andrea Vazquez, Cristina Lourdes Canal, Ana María Granero, Gladys Bigi, Fabiana |
author_role |
author |
author2 |
Onnainty, Renée Marini, María Rocío Klepp, Laura Ines Garcia, Elizabeth Andrea Vazquez, Cristina Lourdes Canal, Ana María Granero, Gladys Bigi, Fabiana |
author2_role |
author author author author author author author author |
dc.subject.none.fl_str_mv |
Mycobacterium bovis Mice Vaccines Chitosan Bovine Tuberculosis Nanocapsules Ratón Vacuna Quitosano Tuberculosis Bovina Nanocápsula |
topic |
Mycobacterium bovis Mice Vaccines Chitosan Bovine Tuberculosis Nanocapsules Ratón Vacuna Quitosano Tuberculosis Bovina Nanocápsula |
dc.description.none.fl_txt_mv |
Mycobacterium bovis is the causative pathogen of bovine tuberculosis (bTB), a disease that affects cattle and other mammals, including humans. Currently, there is no efficient vaccine against bTB, underscoring the need for novel immunization strategies. The M72 fusion protein, composed of three polypeptides derived from Mycobacterium tuberculosis and M. bovis, has demonstrated protective efficacy against M. tuberculosis in clinical trials when combined with the AS01E adjuvant. Given the established efficacy of nanocapsule formulations as vaccine delivery systems, this study evaluated a novel immunization strategy combining BCG with either full-length M72 or a truncated M72 fused to a streptococcal albumin-binding domain (ABDsM72). Both antigens were encapsulated in chitosan/alginate nanocapsules and assessed in a murine M. bovis challenge model. Priming with BCG followed by an M72 boost significantly improved splenic protection compared to BCG alone, but it did not enhance pulmonary protection. Notably, boosting with ABDsM72 further increased the proportion of CD4+KLRG1-CXCR3+ T cells in the lungs of M. bovis-challenged mice, a key correlate of protective immunity. These findings demonstrate that chitosan/alginate-encapsulated antigens enhance BCG-induced immunity, supporting their potential as next-generation vaccine candidates for bTB control. Instituto de Biotecnología Fil: Blanco, Federico Carlos. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Agrobiotecnología y Biología Molecular; Argentina Fil: Blanco, Federico Carlos. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Onnainty, Renée. Universidad Nacional de Córdoba. Facultad de Ciencias Químicas. Departamento de Ciencias Farmacéuticas. Unidad de Investigaciones y Desarrollo en Tecnología Farmacéutica (UNITEFA); Argentina Fil: Onnainty, Renée. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Marini, M. Rocío. Universidad Nacional del Litoral. Facultad de Ciencias Veterinarias. Laboratorio de Anatomía Patológica; Argentina Fil: Klepp, Laura Ines. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Agrobiotecnología y Biología Molecular; Argentina Fil: Klepp, Laura Ines. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Garcia, Elizabeth Andrea. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Agrobiotecnología y Biología Molecular; Argentina Fil: Garcia, Elizabeth Andrea. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Vazquez, Cristina Lourdes. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Agrobiotecnología y Biología Molecular; Argentina Fil: Vazquez, Cristina Lourdes. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Canal, Ana María. Universidad Nacional del Litoral. Facultad de Ciencias Veterinarias. Laboratorio de Anatomía Patológica; Argentina Fil: Granero, Gladys. Universidad Nacional de Córdoba. Facultad de Ciencias Químicas. Departamento de Ciencias Farmacéuticas. Unidad de Investigaciones y Desarrollo en Tecnología Farmacéutica (UNITEFA); Argentina Fil: Granero, Gladys. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Bigi, Fabiana. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Agrobiotecnología y Biología Molecular; Argentina Fil: Bigi, Fabiana. Consejo Nacional de investigaciones Científicas y Técnicas; Argentina |
description |
Mycobacterium bovis is the causative pathogen of bovine tuberculosis (bTB), a disease that affects cattle and other mammals, including humans. Currently, there is no efficient vaccine against bTB, underscoring the need for novel immunization strategies. The M72 fusion protein, composed of three polypeptides derived from Mycobacterium tuberculosis and M. bovis, has demonstrated protective efficacy against M. tuberculosis in clinical trials when combined with the AS01E adjuvant. Given the established efficacy of nanocapsule formulations as vaccine delivery systems, this study evaluated a novel immunization strategy combining BCG with either full-length M72 or a truncated M72 fused to a streptococcal albumin-binding domain (ABDsM72). Both antigens were encapsulated in chitosan/alginate nanocapsules and assessed in a murine M. bovis challenge model. Priming with BCG followed by an M72 boost significantly improved splenic protection compared to BCG alone, but it did not enhance pulmonary protection. Notably, boosting with ABDsM72 further increased the proportion of CD4+KLRG1-CXCR3+ T cells in the lungs of M. bovis-challenged mice, a key correlate of protective immunity. These findings demonstrate that chitosan/alginate-encapsulated antigens enhance BCG-induced immunity, supporting their potential as next-generation vaccine candidates for bTB control. |
publishDate |
2025 |
dc.date.none.fl_str_mv |
2025-06-17T14:10:38Z 2025-06-17T14:10:38Z 2025-06 |
dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
format |
article |
status_str |
publishedVersion |
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http://hdl.handle.net/20.500.12123/22703 https://www.mdpi.com/2076-0817/14/6/592 2076-0817 https://doi.org/10.3390/pathogens14060592 |
url |
http://hdl.handle.net/20.500.12123/22703 https://www.mdpi.com/2076-0817/14/6/592 https://doi.org/10.3390/pathogens14060592 |
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2076-0817 |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repograntAgreement/INTA/2023-PD-L06-I116, Implementación de tecnologías y nuevas estrategias preventivas y terapéuticas para el desarrollo sustentable y eficiente de la producción animal en el marco de Una Salud |
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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) |
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openAccess |
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http://creativecommons.org/licenses/by-nc-sa/4.0/ Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) |
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application/pdf |
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MDPI |
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MDPI |
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Pathogens 14 (6) : 592 (June 2025) reponame:INTA Digital (INTA) instname:Instituto Nacional de Tecnología Agropecuaria |
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tripaldi.nicolas@inta.gob.ar |
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