Inducible Costimulator: A Modulator of IFN-γ Production in Human Tuberculosis
- Autores
- Quiroga, María Florencia; Pasquinelli, Virginia; Martínez, Gustavo J.; Jurado, Javier Oscar; Zorrilla, Liliana Castro; Musella, Rosa María; Abbate, Eduardo José; Sieling, Peter A.; García, Verónica Edith
- Año de publicación
- 2006
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- Effective host defense against Mycobacterium tuberculosis requires the induction of Th1 cytokine responses. We investigated the regulated expression and functional role of the inducible costimulator (ICOS), a receptor known to regulate Th cytokine production, in the context of human tuberculosis. Patients with active disease, classified as high responder (HR) or low responder (LR) patients according to their in vitro T cell responses against the Ag, were evaluated for T cell expression of ICOS after M.tuberculosis-stimulation. We found that ICOS expression significantly correlated with IFN-g production by tuberculosis patients. ICOS expression levels were regulated in HR patients by Th cytokines: Th1 cytokines increased ICOS levels, whereas Th2-polarizing conditions down-regulated ICOS in these individuals. Besides, in human polarized Th cells, engagement of ICOS increased M. tuberculosis IFN-g production with a magnitude proportional to ICOS levels on those cells. Moreover, ICOS ligation augmented Ag-specific secretion of the Th1 cytokine IFN- from responsive individuals. In contrast, neither Th1 nor Th2 cytokines dramatically affected ICOS levels on Ag-stimulated T cells from LR patients, and ICOS activation did not enhance IFN-g production. However, simultaneous activation of ICOS and CD3 slightly augmented IFN-g secretion by LR patients. Together, our data suggest that the regulation of ICOS expression depends primarily on the response of T cells from tuberculosis patients to the specific Ag. IFN-g released by M. tuberculosis-specific T cells modulates ICOS levels, and accordingly, ICOS ligation induces IFN-g secretion. Thus, ICOS activation may promote the induction of protective Th1 cytokine responses to intracellular bacterial pathogens.
Fil: Quiroga, María Florencia. Universidad Abierta Interamericana. Facultad de Medicina. Cátedra de Microbiología Parasitología E Inmunología; Argentina. Universidad de Buenos Aires. Facultad de Medicina. Hospital de Clínicas General San Martín. Laboratorio de Inmunogenética; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Pasquinelli, Virginia. Universidad de Buenos Aires. Facultad de Medicina. Hospital de Clínicas General San Martín. Laboratorio de Inmunogenética; Argentina. Universidad Abierta Interamericana. Facultad de Medicina. Cátedra de Microbiología Parasitología E Inmunología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Martínez, Gustavo J.. Universidad Abierta Interamericana. Facultad de Medicina. Cátedra de Microbiología Parasitología E Inmunología; Argentina. Universidad de Buenos Aires. Facultad de Medicina. Hospital de Clínicas General San Martín. Laboratorio de Inmunogenética; Argentina
Fil: Jurado, Javier Oscar. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad de Buenos Aires. Facultad de Medicina. Hospital de Clínicas General San Martín. Laboratorio de Inmunogenética; Argentina. Universidad Abierta Interamericana. Facultad de Medicina. Cátedra de Microbiología Parasitología E Inmunología; Argentina
Fil: Zorrilla, Liliana Castro. Universidad de Buenos Aires. Facultad de Medicina. Departamento de Microbiología. Cátedra de Microbiología, Parasitología e Inmunología; Argentina
Fil: Musella, Rosa María. Gobierno de la Ciudad de Buenos Aires. Hospital de Infecciosas "Dr. Francisco Javier Muñiz"; Argentina
Fil: Abbate, Eduardo José. Gobierno de la Ciudad de Buenos Aires. Hospital de Infecciosas "Dr. Francisco Javier Muñiz"; Argentina
Fil: Sieling, Peter A.. University of California; Estados Unidos
Fil: García, Verónica Edith. Universidad de Buenos Aires. Facultad de Medicina. Hospital de Clínicas General San Martín. Laboratorio de Inmunogenética; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Abierta Interamericana. Facultad de Medicina. Cátedra de Microbiología Parasitología E Inmunología; Argentina - Materia
-
TUBERCULOSIS
ICOS
COSTIMULATION - 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:11336/100527
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Inducible Costimulator: A Modulator of IFN-γ Production in Human TuberculosisQuiroga, María FlorenciaPasquinelli, VirginiaMartínez, Gustavo J.Jurado, Javier OscarZorrilla, Liliana CastroMusella, Rosa MaríaAbbate, Eduardo JoséSieling, Peter A.García, Verónica EdithTUBERCULOSISICOSCOSTIMULATIONhttps://purl.org/becyt/ford/1.6https://purl.org/becyt/ford/1Effective host defense against Mycobacterium tuberculosis requires the induction of Th1 cytokine responses. We investigated the regulated expression and functional role of the inducible costimulator (ICOS), a receptor known to regulate Th cytokine production, in the context of human tuberculosis. Patients with active disease, classified as high responder (HR) or low responder (LR) patients according to their in vitro T cell responses against the Ag, were evaluated for T cell expression of ICOS after M.tuberculosis-stimulation. We found that ICOS expression significantly correlated with IFN-g production by tuberculosis patients. ICOS expression levels were regulated in HR patients by Th cytokines: Th1 cytokines increased ICOS levels, whereas Th2-polarizing conditions down-regulated ICOS in these individuals. Besides, in human polarized Th cells, engagement of ICOS increased M. tuberculosis IFN-g production with a magnitude proportional to ICOS levels on those cells. Moreover, ICOS ligation augmented Ag-specific secretion of the Th1 cytokine IFN- from responsive individuals. In contrast, neither Th1 nor Th2 cytokines dramatically affected ICOS levels on Ag-stimulated T cells from LR patients, and ICOS activation did not enhance IFN-g production. However, simultaneous activation of ICOS and CD3 slightly augmented IFN-g secretion by LR patients. Together, our data suggest that the regulation of ICOS expression depends primarily on the response of T cells from tuberculosis patients to the specific Ag. IFN-g released by M. tuberculosis-specific T cells modulates ICOS levels, and accordingly, ICOS ligation induces IFN-g secretion. Thus, ICOS activation may promote the induction of protective Th1 cytokine responses to intracellular bacterial pathogens.Fil: Quiroga, María Florencia. Universidad Abierta Interamericana. Facultad de Medicina. Cátedra de Microbiología Parasitología E Inmunología; Argentina. Universidad de Buenos Aires. Facultad de Medicina. Hospital de Clínicas General San Martín. Laboratorio de Inmunogenética; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Pasquinelli, Virginia. Universidad de Buenos Aires. Facultad de Medicina. Hospital de Clínicas General San Martín. Laboratorio de Inmunogenética; Argentina. Universidad Abierta Interamericana. Facultad de Medicina. Cátedra de Microbiología Parasitología E Inmunología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Martínez, Gustavo J.. Universidad Abierta Interamericana. Facultad de Medicina. Cátedra de Microbiología Parasitología E Inmunología; Argentina. Universidad de Buenos Aires. Facultad de Medicina. Hospital de Clínicas General San Martín. Laboratorio de Inmunogenética; ArgentinaFil: Jurado, Javier Oscar. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad de Buenos Aires. Facultad de Medicina. Hospital de Clínicas General San Martín. Laboratorio de Inmunogenética; Argentina. Universidad Abierta Interamericana. Facultad de Medicina. Cátedra de Microbiología Parasitología E Inmunología; ArgentinaFil: Zorrilla, Liliana Castro. Universidad de Buenos Aires. Facultad de Medicina. Departamento de Microbiología. Cátedra de Microbiología, Parasitología e Inmunología; ArgentinaFil: Musella, Rosa María. Gobierno de la Ciudad de Buenos Aires. Hospital de Infecciosas "Dr. Francisco Javier Muñiz"; ArgentinaFil: Abbate, Eduardo José. Gobierno de la Ciudad de Buenos Aires. Hospital de Infecciosas "Dr. Francisco Javier Muñiz"; ArgentinaFil: Sieling, Peter A.. University of California; Estados UnidosFil: García, Verónica Edith. Universidad de Buenos Aires. Facultad de Medicina. Hospital de Clínicas General San Martín. Laboratorio de Inmunogenética; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Abierta Interamericana. Facultad de Medicina. Cátedra de Microbiología Parasitología E Inmunología; ArgentinaAmerican Association of Immunologists2006-05info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/100527Quiroga, María Florencia; Pasquinelli, Virginia; Martínez, Gustavo J.; Jurado, Javier Oscar; Zorrilla, Liliana Castro; et al.; Inducible Costimulator: A Modulator of IFN-γ Production in Human Tuberculosis; American Association of Immunologists; Journal of Immunology; 176; 10; 5-2006; 5965-59740022-1767CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.4049/jimmunol.176.10.5965info:eu-repo/semantics/altIdentifier/url/https://www.jimmunol.org/content/176/10/5965info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T10:03:29Zoai:ri.conicet.gov.ar:11336/100527instacron: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 10:03:30.262CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Inducible Costimulator: A Modulator of IFN-γ Production in Human Tuberculosis |
title |
Inducible Costimulator: A Modulator of IFN-γ Production in Human Tuberculosis |
spellingShingle |
Inducible Costimulator: A Modulator of IFN-γ Production in Human Tuberculosis Quiroga, María Florencia TUBERCULOSIS ICOS COSTIMULATION |
title_short |
Inducible Costimulator: A Modulator of IFN-γ Production in Human Tuberculosis |
title_full |
Inducible Costimulator: A Modulator of IFN-γ Production in Human Tuberculosis |
title_fullStr |
Inducible Costimulator: A Modulator of IFN-γ Production in Human Tuberculosis |
title_full_unstemmed |
Inducible Costimulator: A Modulator of IFN-γ Production in Human Tuberculosis |
title_sort |
Inducible Costimulator: A Modulator of IFN-γ Production in Human Tuberculosis |
dc.creator.none.fl_str_mv |
Quiroga, María Florencia Pasquinelli, Virginia Martínez, Gustavo J. Jurado, Javier Oscar Zorrilla, Liliana Castro Musella, Rosa María Abbate, Eduardo José Sieling, Peter A. García, Verónica Edith |
author |
Quiroga, María Florencia |
author_facet |
Quiroga, María Florencia Pasquinelli, Virginia Martínez, Gustavo J. Jurado, Javier Oscar Zorrilla, Liliana Castro Musella, Rosa María Abbate, Eduardo José Sieling, Peter A. García, Verónica Edith |
author_role |
author |
author2 |
Pasquinelli, Virginia Martínez, Gustavo J. Jurado, Javier Oscar Zorrilla, Liliana Castro Musella, Rosa María Abbate, Eduardo José Sieling, Peter A. García, Verónica Edith |
author2_role |
author author author author author author author author |
dc.subject.none.fl_str_mv |
TUBERCULOSIS ICOS COSTIMULATION |
topic |
TUBERCULOSIS ICOS COSTIMULATION |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/1.6 https://purl.org/becyt/ford/1 |
dc.description.none.fl_txt_mv |
Effective host defense against Mycobacterium tuberculosis requires the induction of Th1 cytokine responses. We investigated the regulated expression and functional role of the inducible costimulator (ICOS), a receptor known to regulate Th cytokine production, in the context of human tuberculosis. Patients with active disease, classified as high responder (HR) or low responder (LR) patients according to their in vitro T cell responses against the Ag, were evaluated for T cell expression of ICOS after M.tuberculosis-stimulation. We found that ICOS expression significantly correlated with IFN-g production by tuberculosis patients. ICOS expression levels were regulated in HR patients by Th cytokines: Th1 cytokines increased ICOS levels, whereas Th2-polarizing conditions down-regulated ICOS in these individuals. Besides, in human polarized Th cells, engagement of ICOS increased M. tuberculosis IFN-g production with a magnitude proportional to ICOS levels on those cells. Moreover, ICOS ligation augmented Ag-specific secretion of the Th1 cytokine IFN- from responsive individuals. In contrast, neither Th1 nor Th2 cytokines dramatically affected ICOS levels on Ag-stimulated T cells from LR patients, and ICOS activation did not enhance IFN-g production. However, simultaneous activation of ICOS and CD3 slightly augmented IFN-g secretion by LR patients. Together, our data suggest that the regulation of ICOS expression depends primarily on the response of T cells from tuberculosis patients to the specific Ag. IFN-g released by M. tuberculosis-specific T cells modulates ICOS levels, and accordingly, ICOS ligation induces IFN-g secretion. Thus, ICOS activation may promote the induction of protective Th1 cytokine responses to intracellular bacterial pathogens. Fil: Quiroga, María Florencia. Universidad Abierta Interamericana. Facultad de Medicina. Cátedra de Microbiología Parasitología E Inmunología; Argentina. Universidad de Buenos Aires. Facultad de Medicina. Hospital de Clínicas General San Martín. Laboratorio de Inmunogenética; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Pasquinelli, Virginia. Universidad de Buenos Aires. Facultad de Medicina. Hospital de Clínicas General San Martín. Laboratorio de Inmunogenética; Argentina. Universidad Abierta Interamericana. Facultad de Medicina. Cátedra de Microbiología Parasitología E Inmunología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Martínez, Gustavo J.. Universidad Abierta Interamericana. Facultad de Medicina. Cátedra de Microbiología Parasitología E Inmunología; Argentina. Universidad de Buenos Aires. Facultad de Medicina. Hospital de Clínicas General San Martín. Laboratorio de Inmunogenética; Argentina Fil: Jurado, Javier Oscar. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad de Buenos Aires. Facultad de Medicina. Hospital de Clínicas General San Martín. Laboratorio de Inmunogenética; Argentina. Universidad Abierta Interamericana. Facultad de Medicina. Cátedra de Microbiología Parasitología E Inmunología; Argentina Fil: Zorrilla, Liliana Castro. Universidad de Buenos Aires. Facultad de Medicina. Departamento de Microbiología. Cátedra de Microbiología, Parasitología e Inmunología; Argentina Fil: Musella, Rosa María. Gobierno de la Ciudad de Buenos Aires. Hospital de Infecciosas "Dr. Francisco Javier Muñiz"; Argentina Fil: Abbate, Eduardo José. Gobierno de la Ciudad de Buenos Aires. Hospital de Infecciosas "Dr. Francisco Javier Muñiz"; Argentina Fil: Sieling, Peter A.. University of California; Estados Unidos Fil: García, Verónica Edith. Universidad de Buenos Aires. Facultad de Medicina. Hospital de Clínicas General San Martín. Laboratorio de Inmunogenética; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Abierta Interamericana. Facultad de Medicina. Cátedra de Microbiología Parasitología E Inmunología; Argentina |
description |
Effective host defense against Mycobacterium tuberculosis requires the induction of Th1 cytokine responses. We investigated the regulated expression and functional role of the inducible costimulator (ICOS), a receptor known to regulate Th cytokine production, in the context of human tuberculosis. Patients with active disease, classified as high responder (HR) or low responder (LR) patients according to their in vitro T cell responses against the Ag, were evaluated for T cell expression of ICOS after M.tuberculosis-stimulation. We found that ICOS expression significantly correlated with IFN-g production by tuberculosis patients. ICOS expression levels were regulated in HR patients by Th cytokines: Th1 cytokines increased ICOS levels, whereas Th2-polarizing conditions down-regulated ICOS in these individuals. Besides, in human polarized Th cells, engagement of ICOS increased M. tuberculosis IFN-g production with a magnitude proportional to ICOS levels on those cells. Moreover, ICOS ligation augmented Ag-specific secretion of the Th1 cytokine IFN- from responsive individuals. In contrast, neither Th1 nor Th2 cytokines dramatically affected ICOS levels on Ag-stimulated T cells from LR patients, and ICOS activation did not enhance IFN-g production. However, simultaneous activation of ICOS and CD3 slightly augmented IFN-g secretion by LR patients. Together, our data suggest that the regulation of ICOS expression depends primarily on the response of T cells from tuberculosis patients to the specific Ag. IFN-g released by M. tuberculosis-specific T cells modulates ICOS levels, and accordingly, ICOS ligation induces IFN-g secretion. Thus, ICOS activation may promote the induction of protective Th1 cytokine responses to intracellular bacterial pathogens. |
publishDate |
2006 |
dc.date.none.fl_str_mv |
2006-05 |
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/11336/100527 Quiroga, María Florencia; Pasquinelli, Virginia; Martínez, Gustavo J.; Jurado, Javier Oscar; Zorrilla, Liliana Castro; et al.; Inducible Costimulator: A Modulator of IFN-γ Production in Human Tuberculosis; American Association of Immunologists; Journal of Immunology; 176; 10; 5-2006; 5965-5974 0022-1767 CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/100527 |
identifier_str_mv |
Quiroga, María Florencia; Pasquinelli, Virginia; Martínez, Gustavo J.; Jurado, Javier Oscar; Zorrilla, Liliana Castro; et al.; Inducible Costimulator: A Modulator of IFN-γ Production in Human Tuberculosis; American Association of Immunologists; Journal of Immunology; 176; 10; 5-2006; 5965-5974 0022-1767 CONICET Digital CONICET |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/doi/10.4049/jimmunol.176.10.5965 info:eu-repo/semantics/altIdentifier/url/https://www.jimmunol.org/content/176/10/5965 |
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 application/pdf |
dc.publisher.none.fl_str_mv |
American Association of Immunologists |
publisher.none.fl_str_mv |
American Association of Immunologists |
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) |
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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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13.070432 |