Specific lytic activity against mycobacterial antigens is inversely correlated with the severity of tuberculosis
- Autores
- de la Barrera, Silvia Susana; Finiasz, Marta Regina; Frias, A.; Alemán, Mercedes; Barrionuevo, Paula; Fink, S.; Franco, Marcela Carolina; Abbate, E.; Sasiain, María del Carmen
- Año de publicación
- 2003
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- The ability of peripheral blood mononuclear cells (PBMC) from patients with active tuberculosis to display cytotoxic responses against autologous Mycobacterium tuberculosis (Mtb)-pulsed macrophages was evaluated. Non-MHC restricted cell-dependent lytic activity was observed in ex vivo effector cells from tuberculosis patients and was mediated mainly by CD3(+)gammadelta TCR(+) T (gammadelta T) cells bearing CD56 and/or CD16 molecules. MHC-restricted and non-MHC restricted cytotoxic T cells (CTL) were differentially expanded upon stimulation with Mtb in tuberculosis patients and normal controls (N). Class-I restricted CD8(+) CTL and class-II restricted CD4(+) CTL were generated in PPD(+)N and to a lesser extent in PPD(-)N. Mtb-stimulated effector cells from tuberculosis patients became progressively non-MHC restricted CD4(-)CD8(-)gammadelta T cells, while lytic activity of CD4(+) and CD8(+)CTL decreased gradually as the disease became more severe. On the other hand, target cells were lysed by ex vivo cells from tuberculosis patients through the Fas-FasL and perforin pathways. Mtb-induced CD4(+) CTL from tuberculosis patients and N controls preferentially employed the Fas-FasL mechanism. Mtb-induced CD8(+) CTL effector cells from patients used the perforin-based mechanism while cells from N controls also used the Fas-FasL pathway. While Mtb-induced gammadelta CTL from patients and PPD(-)N employed the latter mechanism cells from PPD(+)N individuals also used the perforin pathway. It can be concluded that shifts in the CTL response and the cytolytic mechanisms take place as the pulmonary involvement becomes more severe.
Fil: de la Barrera, Silvia Susana. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Academia Nacional de Medicina de Buenos Aires. Instituto de Investigaciones Hematológicas "Mariano R. Castex". Departamento de Inmunología y Medicina Experimental; Argentina
Fil: Finiasz, Marta Regina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Academia Nacional de Medicina de Buenos Aires. Instituto de Investigaciones Hematológicas "Mariano R. Castex". Departamento de Inmunología y Medicina Experimental; Argentina
Fil: Frias, A.. Academia Nacional de Medicina de Buenos Aires. Instituto de Investigaciones Hematológicas "Mariano R. Castex". Departamento de Inmunología y Medicina Experimental; Argentina
Fil: Alemán, Mercedes. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Academia Nacional de Medicina de Buenos Aires. Instituto de Investigaciones Hematológicas "Mariano R. Castex". Departamento de Inmunología y Medicina Experimental; Argentina
Fil: Barrionuevo, Paula. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Academia Nacional de Medicina de Buenos Aires. Instituto de Investigaciones Hematológicas "Mariano R. Castex". Departamento de Inmunología y Medicina Experimental; Argentina
Fil: Fink, S.. Academia Nacional de Medicina de Buenos Aires. Instituto de Investigaciones Hematológicas "Mariano R. Castex". Departamento de Inmunología y Medicina Experimental; Argentina
Fil: Franco, Marcela Carolina. Gobierno de la Ciudad de Buenos Aires. Hospital de Infecciosas "Dr. Francisco Javier Muñiz"; Argentina
Fil: Abbate, E.. Academia Nacional de Medicina de Buenos Aires. Instituto de Investigaciones Hematológicas "Mariano R. Castex". Departamento de Inmunología y Medicina Experimental; Argentina
Fil: Sasiain, María del Carmen. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Academia Nacional de Medicina de Buenos Aires. Instituto de Investigaciones Hematológicas "Mariano R. Castex". Departamento de Inmunología y Medicina Experimental; Argentina - Materia
-
Mycobacteria
Tuberculosis - 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:11336/66204
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Specific lytic activity against mycobacterial antigens is inversely correlated with the severity of tuberculosisde la Barrera, Silvia SusanaFiniasz, Marta ReginaFrias, A.Alemán, MercedesBarrionuevo, PaulaFink, S.Franco, Marcela CarolinaAbbate, E.Sasiain, María del CarmenMycobacteriaTuberculosishttps://purl.org/becyt/ford/3.3https://purl.org/becyt/ford/3The ability of peripheral blood mononuclear cells (PBMC) from patients with active tuberculosis to display cytotoxic responses against autologous Mycobacterium tuberculosis (Mtb)-pulsed macrophages was evaluated. Non-MHC restricted cell-dependent lytic activity was observed in ex vivo effector cells from tuberculosis patients and was mediated mainly by CD3(+)gammadelta TCR(+) T (gammadelta T) cells bearing CD56 and/or CD16 molecules. MHC-restricted and non-MHC restricted cytotoxic T cells (CTL) were differentially expanded upon stimulation with Mtb in tuberculosis patients and normal controls (N). Class-I restricted CD8(+) CTL and class-II restricted CD4(+) CTL were generated in PPD(+)N and to a lesser extent in PPD(-)N. Mtb-stimulated effector cells from tuberculosis patients became progressively non-MHC restricted CD4(-)CD8(-)gammadelta T cells, while lytic activity of CD4(+) and CD8(+)CTL decreased gradually as the disease became more severe. On the other hand, target cells were lysed by ex vivo cells from tuberculosis patients through the Fas-FasL and perforin pathways. Mtb-induced CD4(+) CTL from tuberculosis patients and N controls preferentially employed the Fas-FasL mechanism. Mtb-induced CD8(+) CTL effector cells from patients used the perforin-based mechanism while cells from N controls also used the Fas-FasL pathway. While Mtb-induced gammadelta CTL from patients and PPD(-)N employed the latter mechanism cells from PPD(+)N individuals also used the perforin pathway. It can be concluded that shifts in the CTL response and the cytolytic mechanisms take place as the pulmonary involvement becomes more severe.Fil: de la Barrera, Silvia Susana. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Academia Nacional de Medicina de Buenos Aires. Instituto de Investigaciones Hematológicas "Mariano R. Castex". Departamento de Inmunología y Medicina Experimental; ArgentinaFil: Finiasz, Marta Regina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Academia Nacional de Medicina de Buenos Aires. Instituto de Investigaciones Hematológicas "Mariano R. Castex". Departamento de Inmunología y Medicina Experimental; ArgentinaFil: Frias, A.. Academia Nacional de Medicina de Buenos Aires. Instituto de Investigaciones Hematológicas "Mariano R. Castex". Departamento de Inmunología y Medicina Experimental; ArgentinaFil: Alemán, Mercedes. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Academia Nacional de Medicina de Buenos Aires. Instituto de Investigaciones Hematológicas "Mariano R. Castex". Departamento de Inmunología y Medicina Experimental; ArgentinaFil: Barrionuevo, Paula. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Academia Nacional de Medicina de Buenos Aires. Instituto de Investigaciones Hematológicas "Mariano R. Castex". Departamento de Inmunología y Medicina Experimental; ArgentinaFil: Fink, S.. Academia Nacional de Medicina de Buenos Aires. Instituto de Investigaciones Hematológicas "Mariano R. Castex". Departamento de Inmunología y Medicina Experimental; ArgentinaFil: Franco, Marcela Carolina. Gobierno de la Ciudad de Buenos Aires. Hospital de Infecciosas "Dr. Francisco Javier Muñiz"; ArgentinaFil: Abbate, E.. Academia Nacional de Medicina de Buenos Aires. Instituto de Investigaciones Hematológicas "Mariano R. Castex". Departamento de Inmunología y Medicina Experimental; ArgentinaFil: Sasiain, María del Carmen. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Academia Nacional de Medicina de Buenos Aires. Instituto de Investigaciones Hematológicas "Mariano R. Castex". Departamento de Inmunología y Medicina Experimental; ArgentinaWiley Blackwell Publishing, Inc2003-06info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/66204de la Barrera, Silvia Susana; Finiasz, Marta Regina; Frias, A.; Alemán, Mercedes; Barrionuevo, Paula; et al.; Specific lytic activity against mycobacterial antigens is inversely correlated with the severity of tuberculosis; Wiley Blackwell Publishing, Inc; Clinical and Experimental Immunology; 132; 3; 6-2003; 450-4610009-9104CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1046/j.1365-2249.2003.02176.xinfo:eu-repo/semantics/altIdentifier/url/https://onlinelibrary.wiley.com/doi/full/10.1046/j.1365-2249.2003.02176.xinfo:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T10:05:47Zoai:ri.conicet.gov.ar:11336/66204instacron: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 10:05:48.198CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Specific lytic activity against mycobacterial antigens is inversely correlated with the severity of tuberculosis |
title |
Specific lytic activity against mycobacterial antigens is inversely correlated with the severity of tuberculosis |
spellingShingle |
Specific lytic activity against mycobacterial antigens is inversely correlated with the severity of tuberculosis de la Barrera, Silvia Susana Mycobacteria Tuberculosis |
title_short |
Specific lytic activity against mycobacterial antigens is inversely correlated with the severity of tuberculosis |
title_full |
Specific lytic activity against mycobacterial antigens is inversely correlated with the severity of tuberculosis |
title_fullStr |
Specific lytic activity against mycobacterial antigens is inversely correlated with the severity of tuberculosis |
title_full_unstemmed |
Specific lytic activity against mycobacterial antigens is inversely correlated with the severity of tuberculosis |
title_sort |
Specific lytic activity against mycobacterial antigens is inversely correlated with the severity of tuberculosis |
dc.creator.none.fl_str_mv |
de la Barrera, Silvia Susana Finiasz, Marta Regina Frias, A. Alemán, Mercedes Barrionuevo, Paula Fink, S. Franco, Marcela Carolina Abbate, E. Sasiain, María del Carmen |
author |
de la Barrera, Silvia Susana |
author_facet |
de la Barrera, Silvia Susana Finiasz, Marta Regina Frias, A. Alemán, Mercedes Barrionuevo, Paula Fink, S. Franco, Marcela Carolina Abbate, E. Sasiain, María del Carmen |
author_role |
author |
author2 |
Finiasz, Marta Regina Frias, A. Alemán, Mercedes Barrionuevo, Paula Fink, S. Franco, Marcela Carolina Abbate, E. Sasiain, María del Carmen |
author2_role |
author author author author author author author author |
dc.subject.none.fl_str_mv |
Mycobacteria Tuberculosis |
topic |
Mycobacteria Tuberculosis |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/3.3 https://purl.org/becyt/ford/3 |
dc.description.none.fl_txt_mv |
The ability of peripheral blood mononuclear cells (PBMC) from patients with active tuberculosis to display cytotoxic responses against autologous Mycobacterium tuberculosis (Mtb)-pulsed macrophages was evaluated. Non-MHC restricted cell-dependent lytic activity was observed in ex vivo effector cells from tuberculosis patients and was mediated mainly by CD3(+)gammadelta TCR(+) T (gammadelta T) cells bearing CD56 and/or CD16 molecules. MHC-restricted and non-MHC restricted cytotoxic T cells (CTL) were differentially expanded upon stimulation with Mtb in tuberculosis patients and normal controls (N). Class-I restricted CD8(+) CTL and class-II restricted CD4(+) CTL were generated in PPD(+)N and to a lesser extent in PPD(-)N. Mtb-stimulated effector cells from tuberculosis patients became progressively non-MHC restricted CD4(-)CD8(-)gammadelta T cells, while lytic activity of CD4(+) and CD8(+)CTL decreased gradually as the disease became more severe. On the other hand, target cells were lysed by ex vivo cells from tuberculosis patients through the Fas-FasL and perforin pathways. Mtb-induced CD4(+) CTL from tuberculosis patients and N controls preferentially employed the Fas-FasL mechanism. Mtb-induced CD8(+) CTL effector cells from patients used the perforin-based mechanism while cells from N controls also used the Fas-FasL pathway. While Mtb-induced gammadelta CTL from patients and PPD(-)N employed the latter mechanism cells from PPD(+)N individuals also used the perforin pathway. It can be concluded that shifts in the CTL response and the cytolytic mechanisms take place as the pulmonary involvement becomes more severe. Fil: de la Barrera, Silvia Susana. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Academia Nacional de Medicina de Buenos Aires. Instituto de Investigaciones Hematológicas "Mariano R. Castex". Departamento de Inmunología y Medicina Experimental; Argentina Fil: Finiasz, Marta Regina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Academia Nacional de Medicina de Buenos Aires. Instituto de Investigaciones Hematológicas "Mariano R. Castex". Departamento de Inmunología y Medicina Experimental; Argentina Fil: Frias, A.. Academia Nacional de Medicina de Buenos Aires. Instituto de Investigaciones Hematológicas "Mariano R. Castex". Departamento de Inmunología y Medicina Experimental; Argentina Fil: Alemán, Mercedes. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Academia Nacional de Medicina de Buenos Aires. Instituto de Investigaciones Hematológicas "Mariano R. Castex". Departamento de Inmunología y Medicina Experimental; Argentina Fil: Barrionuevo, Paula. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Academia Nacional de Medicina de Buenos Aires. Instituto de Investigaciones Hematológicas "Mariano R. Castex". Departamento de Inmunología y Medicina Experimental; Argentina Fil: Fink, S.. Academia Nacional de Medicina de Buenos Aires. Instituto de Investigaciones Hematológicas "Mariano R. Castex". Departamento de Inmunología y Medicina Experimental; Argentina Fil: Franco, Marcela Carolina. Gobierno de la Ciudad de Buenos Aires. Hospital de Infecciosas "Dr. Francisco Javier Muñiz"; Argentina Fil: Abbate, E.. Academia Nacional de Medicina de Buenos Aires. Instituto de Investigaciones Hematológicas "Mariano R. Castex". Departamento de Inmunología y Medicina Experimental; Argentina Fil: Sasiain, María del Carmen. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Academia Nacional de Medicina de Buenos Aires. Instituto de Investigaciones Hematológicas "Mariano R. Castex". Departamento de Inmunología y Medicina Experimental; Argentina |
description |
The ability of peripheral blood mononuclear cells (PBMC) from patients with active tuberculosis to display cytotoxic responses against autologous Mycobacterium tuberculosis (Mtb)-pulsed macrophages was evaluated. Non-MHC restricted cell-dependent lytic activity was observed in ex vivo effector cells from tuberculosis patients and was mediated mainly by CD3(+)gammadelta TCR(+) T (gammadelta T) cells bearing CD56 and/or CD16 molecules. MHC-restricted and non-MHC restricted cytotoxic T cells (CTL) were differentially expanded upon stimulation with Mtb in tuberculosis patients and normal controls (N). Class-I restricted CD8(+) CTL and class-II restricted CD4(+) CTL were generated in PPD(+)N and to a lesser extent in PPD(-)N. Mtb-stimulated effector cells from tuberculosis patients became progressively non-MHC restricted CD4(-)CD8(-)gammadelta T cells, while lytic activity of CD4(+) and CD8(+)CTL decreased gradually as the disease became more severe. On the other hand, target cells were lysed by ex vivo cells from tuberculosis patients through the Fas-FasL and perforin pathways. Mtb-induced CD4(+) CTL from tuberculosis patients and N controls preferentially employed the Fas-FasL mechanism. Mtb-induced CD8(+) CTL effector cells from patients used the perforin-based mechanism while cells from N controls also used the Fas-FasL pathway. While Mtb-induced gammadelta CTL from patients and PPD(-)N employed the latter mechanism cells from PPD(+)N individuals also used the perforin pathway. It can be concluded that shifts in the CTL response and the cytolytic mechanisms take place as the pulmonary involvement becomes more severe. |
publishDate |
2003 |
dc.date.none.fl_str_mv |
2003-06 |
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 |
dc.identifier.none.fl_str_mv |
http://hdl.handle.net/11336/66204 de la Barrera, Silvia Susana; Finiasz, Marta Regina; Frias, A.; Alemán, Mercedes; Barrionuevo, Paula; et al.; Specific lytic activity against mycobacterial antigens is inversely correlated with the severity of tuberculosis; Wiley Blackwell Publishing, Inc; Clinical and Experimental Immunology; 132; 3; 6-2003; 450-461 0009-9104 CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/66204 |
identifier_str_mv |
de la Barrera, Silvia Susana; Finiasz, Marta Regina; Frias, A.; Alemán, Mercedes; Barrionuevo, Paula; et al.; Specific lytic activity against mycobacterial antigens is inversely correlated with the severity of tuberculosis; Wiley Blackwell Publishing, Inc; Clinical and Experimental Immunology; 132; 3; 6-2003; 450-461 0009-9104 CONICET Digital CONICET |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/doi/10.1046/j.1365-2249.2003.02176.x info:eu-repo/semantics/altIdentifier/url/https://onlinelibrary.wiley.com/doi/full/10.1046/j.1365-2249.2003.02176.x |
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 application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
Wiley Blackwell Publishing, Inc |
publisher.none.fl_str_mv |
Wiley Blackwell Publishing, Inc |
dc.source.none.fl_str_mv |
reponame:CONICET Digital (CONICET) instname:Consejo Nacional de Investigaciones Científicas y Técnicas |
reponame_str |
CONICET Digital (CONICET) |
collection |
CONICET Digital (CONICET) |
instname_str |
Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.name.fl_str_mv |
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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1844613898803609600 |
score |
13.070432 |