Enhanced control of Mycobacterium Tuberculosis Extrapulmonary Dissemination in Mice by an Arabinomannan-protein Conjugate Vaccine
ABSTRACT: Currently there are a dozen or so of new vaccine candidates in clinical trials for prevention of tuberculosis (TB) and each formulation attempts to elicit protection by enhancement of cellmediated immunity (CMI). In contrast, most approved vaccines against other bacterial pathogens are bel...
- Autores:
-
Baena García, Andrés
Prados Rosales, Rafael
Carreño, Leandro
Cheng, Tingting
Blanc, Caroline
Weinrick, Brian
Malek, Adel
Lowary, Todd L.
- Tipo de recurso:
- Article of investigation
- Fecha de publicación:
- 2017
- Institución:
- Universidad de Antioquia
- Repositorio:
- Repositorio UdeA
- Idioma:
- eng
- OAI Identifier:
- oai:bibliotecadigital.udea.edu.co:10495/28302
- Acceso en línea:
- http://hdl.handle.net/10495/28302
- Palabra clave:
- Tuberculosis
Mycobacterium tuberculosis
Vaccines, Conjugate
Vacunas Conjugadas
- Rights
- openAccess
- License
- https://creativecommons.org/licenses/by/4.0/
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| dc.title.spa.fl_str_mv |
Enhanced control of Mycobacterium Tuberculosis Extrapulmonary Dissemination in Mice by an Arabinomannan-protein Conjugate Vaccine |
| title |
Enhanced control of Mycobacterium Tuberculosis Extrapulmonary Dissemination in Mice by an Arabinomannan-protein Conjugate Vaccine |
| spellingShingle |
Enhanced control of Mycobacterium Tuberculosis Extrapulmonary Dissemination in Mice by an Arabinomannan-protein Conjugate Vaccine Tuberculosis Mycobacterium tuberculosis Vaccines, Conjugate Vacunas Conjugadas |
| title_short |
Enhanced control of Mycobacterium Tuberculosis Extrapulmonary Dissemination in Mice by an Arabinomannan-protein Conjugate Vaccine |
| title_full |
Enhanced control of Mycobacterium Tuberculosis Extrapulmonary Dissemination in Mice by an Arabinomannan-protein Conjugate Vaccine |
| title_fullStr |
Enhanced control of Mycobacterium Tuberculosis Extrapulmonary Dissemination in Mice by an Arabinomannan-protein Conjugate Vaccine |
| title_full_unstemmed |
Enhanced control of Mycobacterium Tuberculosis Extrapulmonary Dissemination in Mice by an Arabinomannan-protein Conjugate Vaccine |
| title_sort |
Enhanced control of Mycobacterium Tuberculosis Extrapulmonary Dissemination in Mice by an Arabinomannan-protein Conjugate Vaccine |
| dc.creator.fl_str_mv |
Baena García, Andrés Prados Rosales, Rafael Carreño, Leandro Cheng, Tingting Blanc, Caroline Weinrick, Brian Malek, Adel Lowary, Todd L. |
| dc.contributor.author.none.fl_str_mv |
Baena García, Andrés Prados Rosales, Rafael Carreño, Leandro Cheng, Tingting Blanc, Caroline Weinrick, Brian Malek, Adel Lowary, Todd L. |
| dc.contributor.researchgroup.spa.fl_str_mv |
Grupo de Inmunología Celular e Inmunogenética |
| dc.subject.decs.none.fl_str_mv |
Tuberculosis Mycobacterium tuberculosis Vaccines, Conjugate Vacunas Conjugadas |
| topic |
Tuberculosis Mycobacterium tuberculosis Vaccines, Conjugate Vacunas Conjugadas |
| description |
ABSTRACT: Currently there are a dozen or so of new vaccine candidates in clinical trials for prevention of tuberculosis (TB) and each formulation attempts to elicit protection by enhancement of cellmediated immunity (CMI). In contrast, most approved vaccines against other bacterial pathogens are believed to mediate protection by eliciting antibody responses. However, it has been difficult to apply this formula to TB because of the difficulty in reliably eliciting protective antibodies. Here, we developed capsular polysaccharide conjugates by linking mycobacterial capsular arabinomannan (AM) to either Mtb Ag85b or B. anthracis protective antigen (PA). Further, we studied their immunogenicity by ELISA and AM glycan microarrays and protection efficacy in mice. Immunization with either Abg85b-AM or PA-AM conjugates elicited an AM-specific antibody response in mice. AM binding antibodies stimulated transcriptional changes in Mtb. Sera from AM conjugate immunized mice reacted against a broad spectrum of AM structural variants and specifically recognized arabinan fragments. Conjugate vaccine immunized mice infected with Mtb had lower bacterial numbers in lungs and spleen, and lived longer than control mice. These findings provide additional evidence that humoral immunity can contribute to protection against Mtb. |
| publishDate |
2017 |
| dc.date.issued.none.fl_str_mv |
2017 |
| dc.date.accessioned.none.fl_str_mv |
2022-05-09T21:42:19Z |
| dc.date.available.none.fl_str_mv |
2022-05-09T21:42:19Z |
| dc.type.spa.fl_str_mv |
Artículo de investigación |
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http://purl.org/coar/resource_type/c_2df8fbb1 |
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https://purl.org/redcol/resource_type/ART |
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http://purl.org/coar/version/c_970fb48d4fbd8a85 |
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info:eu-repo/semantics/article |
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info:eu-repo/semantics/publishedVersion |
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http://purl.org/coar/resource_type/c_2df8fbb1 |
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1553-7366 |
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http://hdl.handle.net/10495/28302 |
| dc.identifier.doi.none.fl_str_mv |
10.1371/journal.ppat.1006250 |
| dc.identifier.eissn.none.fl_str_mv |
1553-7374 |
| identifier_str_mv |
1553-7366 10.1371/journal.ppat.1006250 1553-7374 |
| url |
http://hdl.handle.net/10495/28302 |
| dc.language.iso.spa.fl_str_mv |
eng |
| language |
eng |
| dc.relation.ispartofjournalabbrev.spa.fl_str_mv |
PLoS Pathog. |
| dc.relation.citationendpage.spa.fl_str_mv |
28 |
| dc.relation.citationissue.spa.fl_str_mv |
3 |
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1 |
| dc.relation.citationvolume.spa.fl_str_mv |
13 |
| dc.relation.ispartofjournal.spa.fl_str_mv |
PLoS Pathogens |
| dc.rights.uri.spa.fl_str_mv |
https://creativecommons.org/licenses/by/4.0/ |
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http://creativecommons.org/licenses/by/2.5/co/ |
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28 |
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application/pdf |
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Public Library of Science |
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San Francisco, Estados Unidos |
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Universidad de Antioquia |
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Baena García, AndrésPrados Rosales, RafaelCarreño, LeandroCheng, TingtingBlanc, CarolineWeinrick, BrianMalek, AdelLowary, Todd L.Grupo de Inmunología Celular e Inmunogenética2022-05-09T21:42:19Z2022-05-09T21:42:19Z20171553-7366http://hdl.handle.net/10495/2830210.1371/journal.ppat.10062501553-7374ABSTRACT: Currently there are a dozen or so of new vaccine candidates in clinical trials for prevention of tuberculosis (TB) and each formulation attempts to elicit protection by enhancement of cellmediated immunity (CMI). In contrast, most approved vaccines against other bacterial pathogens are believed to mediate protection by eliciting antibody responses. However, it has been difficult to apply this formula to TB because of the difficulty in reliably eliciting protective antibodies. Here, we developed capsular polysaccharide conjugates by linking mycobacterial capsular arabinomannan (AM) to either Mtb Ag85b or B. anthracis protective antigen (PA). Further, we studied their immunogenicity by ELISA and AM glycan microarrays and protection efficacy in mice. Immunization with either Abg85b-AM or PA-AM conjugates elicited an AM-specific antibody response in mice. AM binding antibodies stimulated transcriptional changes in Mtb. Sera from AM conjugate immunized mice reacted against a broad spectrum of AM structural variants and specifically recognized arabinan fragments. Conjugate vaccine immunized mice infected with Mtb had lower bacterial numbers in lungs and spleen, and lived longer than control mice. 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