Differential Outcome between BALB/c and C57BL/6 Mice after Escherichia coli O157:H7 Infection Is Associated with a Dissimilar Tolerance Mechanism
- Autores
- Bernal, Alan Mauro; Fernández Brando, Romina Jimena; Bruballa, Andrea Cecilia; Fiorentino, Gabriela Alejandra; Pineda, Gonzalo Ezequiel; Zotta, Elsa; Vermeulen, Elba Monica; Ramos, Maria Victoria; Rumbo, Martín; Palermo, Marina Sandra
- Año de publicación
- 2021
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- Enterohemorrhagic Escherichia coli (EHEC) infections can result in a wide range of clinical presentations even though EHEC strain belongs to O157:H7 serotype, one of the most pathogenic ones. Although pathogen virulence influences disease outcome, we emphasize about the concept of host-pathogen interactions, which involve resistance or tolerance mechanisms in the host that finally determine host fitness and bacterial virulence. Taking advantage of the genetic differences between mouse strains, we analyzed the clinical progression in C57BL/6 and BALB/c weaned mice infected with an E. coli O157:H7 strain. We carefully analyzed colonization with several bacterial doses, clinical parameters, intestinal histology and the integrity of the intestinal barrier, as well as local and systemic levels of antibodies to pathogenic factors. We demonstrated that although both strains had comparable susceptibility to Shiga toxin (Stx) and the intestinal bacterial burden was similar, C57BL/6 showed increased intestinal damage and alteration of the integrity of the intestinal barrier, and impaired renal function that resulted in increased mortality. The increased survival rate in BALB/c strain was associated to an early specific antibody response as part of a tolerance mechanism.
Fil: Bernal, Alan Mauro. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Medicina Experimental. Academia Nacional de Medicina de Buenos Aires. Instituto de Medicina Experimental; Argentina
Fil: Fernández Brando, Romina Jimena. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Medicina Experimental. Academia Nacional de Medicina de Buenos Aires. Instituto de Medicina Experimental; Argentina
Fil: Bruballa, Andrea Cecilia. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Medicina Experimental. Academia Nacional de Medicina de Buenos Aires. Instituto de Medicina Experimental; Argentina
Fil: Fiorentino, Gabriela Alejandra. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Medicina Experimental. Academia Nacional de Medicina de Buenos Aires. Instituto de Medicina Experimental; Argentina
Fil: Pineda, Gonzalo Ezequiel. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Medicina Experimental. Academia Nacional de Medicina de Buenos Aires. Instituto de Medicina Experimental; Argentina
Fil: Zotta, Elsa. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Departamento de Ciencias Biológicas. Cátedra de Fisiología Humana; Argentina
Fil: Vermeulen, Elba Monica. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Medicina Experimental. Academia Nacional de Medicina de Buenos Aires. Instituto de Medicina Experimental; Argentina
Fil: Ramos, Maria Victoria. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Medicina Experimental. Academia Nacional de Medicina de Buenos Aires. Instituto de Medicina Experimental; Argentina
Fil: Rumbo, Martín. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Estudios Inmunológicos y Fisiopatológicos. Universidad Nacional de La Plata. Facultad de Ciencias Exactas. Instituto de Estudios Inmunológicos y Fisiopatológicos; Argentina
Fil: Palermo, Marina Sandra. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Medicina Experimental. Academia Nacional de Medicina de Buenos Aires. Instituto de Medicina Experimental; Argentina - Materia
-
EHEC
INTESTINAL INFECTION
MOUSE MODEL
DEFENSE MECHANISMS
ANTIBODIES
SHIGA TOXIN - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/156601
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Differential Outcome between BALB/c and C57BL/6 Mice after Escherichia coli O157:H7 Infection Is Associated with a Dissimilar Tolerance MechanismBernal, Alan MauroFernández Brando, Romina JimenaBruballa, Andrea CeciliaFiorentino, Gabriela AlejandraPineda, Gonzalo EzequielZotta, ElsaVermeulen, Elba MonicaRamos, Maria VictoriaRumbo, MartínPalermo, Marina SandraEHECINTESTINAL INFECTIONMOUSE MODELDEFENSE MECHANISMSANTIBODIESSHIGA TOXINhttps://purl.org/becyt/ford/3.1https://purl.org/becyt/ford/3https://purl.org/becyt/ford/3.3https://purl.org/becyt/ford/3Enterohemorrhagic Escherichia coli (EHEC) infections can result in a wide range of clinical presentations even though EHEC strain belongs to O157:H7 serotype, one of the most pathogenic ones. Although pathogen virulence influences disease outcome, we emphasize about the concept of host-pathogen interactions, which involve resistance or tolerance mechanisms in the host that finally determine host fitness and bacterial virulence. Taking advantage of the genetic differences between mouse strains, we analyzed the clinical progression in C57BL/6 and BALB/c weaned mice infected with an E. coli O157:H7 strain. We carefully analyzed colonization with several bacterial doses, clinical parameters, intestinal histology and the integrity of the intestinal barrier, as well as local and systemic levels of antibodies to pathogenic factors. We demonstrated that although both strains had comparable susceptibility to Shiga toxin (Stx) and the intestinal bacterial burden was similar, C57BL/6 showed increased intestinal damage and alteration of the integrity of the intestinal barrier, and impaired renal function that resulted in increased mortality. The increased survival rate in BALB/c strain was associated to an early specific antibody response as part of a tolerance mechanism.Fil: Bernal, Alan Mauro. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Medicina Experimental. Academia Nacional de Medicina de Buenos Aires. Instituto de Medicina Experimental; ArgentinaFil: Fernández Brando, Romina Jimena. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Medicina Experimental. Academia Nacional de Medicina de Buenos Aires. Instituto de Medicina Experimental; ArgentinaFil: Bruballa, Andrea Cecilia. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Medicina Experimental. Academia Nacional de Medicina de Buenos Aires. Instituto de Medicina Experimental; ArgentinaFil: Fiorentino, Gabriela Alejandra. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Medicina Experimental. Academia Nacional de Medicina de Buenos Aires. Instituto de Medicina Experimental; ArgentinaFil: Pineda, Gonzalo Ezequiel. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Medicina Experimental. Academia Nacional de Medicina de Buenos Aires. Instituto de Medicina Experimental; ArgentinaFil: Zotta, Elsa. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Departamento de Ciencias Biológicas. Cátedra de Fisiología Humana; ArgentinaFil: Vermeulen, Elba Monica. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Medicina Experimental. Academia Nacional de Medicina de Buenos Aires. Instituto de Medicina Experimental; ArgentinaFil: Ramos, Maria Victoria. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Medicina Experimental. Academia Nacional de Medicina de Buenos Aires. Instituto de Medicina Experimental; ArgentinaFil: Rumbo, Martín. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Estudios Inmunológicos y Fisiopatológicos. Universidad Nacional de La Plata. Facultad de Ciencias Exactas. Instituto de Estudios Inmunológicos y Fisiopatológicos; ArgentinaFil: Palermo, Marina Sandra. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Medicina Experimental. Academia Nacional de Medicina de Buenos Aires. Instituto de Medicina Experimental; ArgentinaAmerican Society for Microbiology2021-04info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/156601Bernal, Alan Mauro; Fernández Brando, Romina Jimena; Bruballa, Andrea Cecilia; Fiorentino, Gabriela Alejandra; Pineda, Gonzalo Ezequiel; et al.; Differential Outcome between BALB/c and C57BL/6 Mice after Escherichia coli O157:H7 Infection Is Associated with a Dissimilar Tolerance Mechanism; American Society for Microbiology; Infection and Immunity; 89; 5; 4-2021; 1-160019-9567CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/http://iai.asm.org/lookup/doi/10.1128/IAI.00031-21info:eu-repo/semantics/altIdentifier/doi/10.1128/IAI.00031-21info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T10:33:58Zoai:ri.conicet.gov.ar:11336/156601instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-29 10:33:58.987CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Differential Outcome between BALB/c and C57BL/6 Mice after Escherichia coli O157:H7 Infection Is Associated with a Dissimilar Tolerance Mechanism |
title |
Differential Outcome between BALB/c and C57BL/6 Mice after Escherichia coli O157:H7 Infection Is Associated with a Dissimilar Tolerance Mechanism |
spellingShingle |
Differential Outcome between BALB/c and C57BL/6 Mice after Escherichia coli O157:H7 Infection Is Associated with a Dissimilar Tolerance Mechanism Bernal, Alan Mauro EHEC INTESTINAL INFECTION MOUSE MODEL DEFENSE MECHANISMS ANTIBODIES SHIGA TOXIN |
title_short |
Differential Outcome between BALB/c and C57BL/6 Mice after Escherichia coli O157:H7 Infection Is Associated with a Dissimilar Tolerance Mechanism |
title_full |
Differential Outcome between BALB/c and C57BL/6 Mice after Escherichia coli O157:H7 Infection Is Associated with a Dissimilar Tolerance Mechanism |
title_fullStr |
Differential Outcome between BALB/c and C57BL/6 Mice after Escherichia coli O157:H7 Infection Is Associated with a Dissimilar Tolerance Mechanism |
title_full_unstemmed |
Differential Outcome between BALB/c and C57BL/6 Mice after Escherichia coli O157:H7 Infection Is Associated with a Dissimilar Tolerance Mechanism |
title_sort |
Differential Outcome between BALB/c and C57BL/6 Mice after Escherichia coli O157:H7 Infection Is Associated with a Dissimilar Tolerance Mechanism |
dc.creator.none.fl_str_mv |
Bernal, Alan Mauro Fernández Brando, Romina Jimena Bruballa, Andrea Cecilia Fiorentino, Gabriela Alejandra Pineda, Gonzalo Ezequiel Zotta, Elsa Vermeulen, Elba Monica Ramos, Maria Victoria Rumbo, Martín Palermo, Marina Sandra |
author |
Bernal, Alan Mauro |
author_facet |
Bernal, Alan Mauro Fernández Brando, Romina Jimena Bruballa, Andrea Cecilia Fiorentino, Gabriela Alejandra Pineda, Gonzalo Ezequiel Zotta, Elsa Vermeulen, Elba Monica Ramos, Maria Victoria Rumbo, Martín Palermo, Marina Sandra |
author_role |
author |
author2 |
Fernández Brando, Romina Jimena Bruballa, Andrea Cecilia Fiorentino, Gabriela Alejandra Pineda, Gonzalo Ezequiel Zotta, Elsa Vermeulen, Elba Monica Ramos, Maria Victoria Rumbo, Martín Palermo, Marina Sandra |
author2_role |
author author author author author author author author author |
dc.subject.none.fl_str_mv |
EHEC INTESTINAL INFECTION MOUSE MODEL DEFENSE MECHANISMS ANTIBODIES SHIGA TOXIN |
topic |
EHEC INTESTINAL INFECTION MOUSE MODEL DEFENSE MECHANISMS ANTIBODIES SHIGA TOXIN |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/3.1 https://purl.org/becyt/ford/3 https://purl.org/becyt/ford/3.3 https://purl.org/becyt/ford/3 |
dc.description.none.fl_txt_mv |
Enterohemorrhagic Escherichia coli (EHEC) infections can result in a wide range of clinical presentations even though EHEC strain belongs to O157:H7 serotype, one of the most pathogenic ones. Although pathogen virulence influences disease outcome, we emphasize about the concept of host-pathogen interactions, which involve resistance or tolerance mechanisms in the host that finally determine host fitness and bacterial virulence. Taking advantage of the genetic differences between mouse strains, we analyzed the clinical progression in C57BL/6 and BALB/c weaned mice infected with an E. coli O157:H7 strain. We carefully analyzed colonization with several bacterial doses, clinical parameters, intestinal histology and the integrity of the intestinal barrier, as well as local and systemic levels of antibodies to pathogenic factors. We demonstrated that although both strains had comparable susceptibility to Shiga toxin (Stx) and the intestinal bacterial burden was similar, C57BL/6 showed increased intestinal damage and alteration of the integrity of the intestinal barrier, and impaired renal function that resulted in increased mortality. The increased survival rate in BALB/c strain was associated to an early specific antibody response as part of a tolerance mechanism. Fil: Bernal, Alan Mauro. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Medicina Experimental. Academia Nacional de Medicina de Buenos Aires. Instituto de Medicina Experimental; Argentina Fil: Fernández Brando, Romina Jimena. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Medicina Experimental. Academia Nacional de Medicina de Buenos Aires. Instituto de Medicina Experimental; Argentina Fil: Bruballa, Andrea Cecilia. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Medicina Experimental. Academia Nacional de Medicina de Buenos Aires. Instituto de Medicina Experimental; Argentina Fil: Fiorentino, Gabriela Alejandra. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Medicina Experimental. Academia Nacional de Medicina de Buenos Aires. Instituto de Medicina Experimental; Argentina Fil: Pineda, Gonzalo Ezequiel. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Medicina Experimental. Academia Nacional de Medicina de Buenos Aires. Instituto de Medicina Experimental; Argentina Fil: Zotta, Elsa. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Departamento de Ciencias Biológicas. Cátedra de Fisiología Humana; Argentina Fil: Vermeulen, Elba Monica. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Medicina Experimental. Academia Nacional de Medicina de Buenos Aires. Instituto de Medicina Experimental; Argentina Fil: Ramos, Maria Victoria. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Medicina Experimental. Academia Nacional de Medicina de Buenos Aires. Instituto de Medicina Experimental; Argentina Fil: Rumbo, Martín. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Estudios Inmunológicos y Fisiopatológicos. Universidad Nacional de La Plata. Facultad de Ciencias Exactas. Instituto de Estudios Inmunológicos y Fisiopatológicos; Argentina Fil: Palermo, Marina Sandra. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Medicina Experimental. Academia Nacional de Medicina de Buenos Aires. Instituto de Medicina Experimental; Argentina |
description |
Enterohemorrhagic Escherichia coli (EHEC) infections can result in a wide range of clinical presentations even though EHEC strain belongs to O157:H7 serotype, one of the most pathogenic ones. Although pathogen virulence influences disease outcome, we emphasize about the concept of host-pathogen interactions, which involve resistance or tolerance mechanisms in the host that finally determine host fitness and bacterial virulence. Taking advantage of the genetic differences between mouse strains, we analyzed the clinical progression in C57BL/6 and BALB/c weaned mice infected with an E. coli O157:H7 strain. We carefully analyzed colonization with several bacterial doses, clinical parameters, intestinal histology and the integrity of the intestinal barrier, as well as local and systemic levels of antibodies to pathogenic factors. We demonstrated that although both strains had comparable susceptibility to Shiga toxin (Stx) and the intestinal bacterial burden was similar, C57BL/6 showed increased intestinal damage and alteration of the integrity of the intestinal barrier, and impaired renal function that resulted in increased mortality. The increased survival rate in BALB/c strain was associated to an early specific antibody response as part of a tolerance mechanism. |
publishDate |
2021 |
dc.date.none.fl_str_mv |
2021-04 |
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 |
dc.identifier.none.fl_str_mv |
http://hdl.handle.net/11336/156601 Bernal, Alan Mauro; Fernández Brando, Romina Jimena; Bruballa, Andrea Cecilia; Fiorentino, Gabriela Alejandra; Pineda, Gonzalo Ezequiel; et al.; Differential Outcome between BALB/c and C57BL/6 Mice after Escherichia coli O157:H7 Infection Is Associated with a Dissimilar Tolerance Mechanism; American Society for Microbiology; Infection and Immunity; 89; 5; 4-2021; 1-16 0019-9567 CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/156601 |
identifier_str_mv |
Bernal, Alan Mauro; Fernández Brando, Romina Jimena; Bruballa, Andrea Cecilia; Fiorentino, Gabriela Alejandra; Pineda, Gonzalo Ezequiel; et al.; Differential Outcome between BALB/c and C57BL/6 Mice after Escherichia coli O157:H7 Infection Is Associated with a Dissimilar Tolerance Mechanism; American Society for Microbiology; Infection and Immunity; 89; 5; 4-2021; 1-16 0019-9567 CONICET Digital CONICET |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/url/http://iai.asm.org/lookup/doi/10.1128/IAI.00031-21 info:eu-repo/semantics/altIdentifier/doi/10.1128/IAI.00031-21 |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
eu_rights_str_mv |
openAccess |
rights_invalid_str_mv |
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
dc.format.none.fl_str_mv |
application/pdf application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
American Society for Microbiology |
publisher.none.fl_str_mv |
American Society for Microbiology |
dc.source.none.fl_str_mv |
reponame:CONICET Digital (CONICET) instname:Consejo Nacional de Investigaciones Científicas y Técnicas |
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CONICET Digital (CONICET) |
collection |
CONICET Digital (CONICET) |
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Consejo Nacional de Investigaciones Científicas y Técnicas |
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CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.mail.fl_str_mv |
dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar |
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1844614355708018688 |
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13.070432 |