A physiological role for inducible FOXP3+ TREG cells: Lessons from women with reproductive failure
- Autores
- Arruvito, Maria Lourdes; Sotelo, Ana Isabel; Billordo, Luis Ariel; Fainboim, Leonardo
- Año de publicación
- 2010
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- We have previously shown a decreased frequency and function of Tregs in women suffering from recurrent spontaneous abortions (RSA). In the current study, we first investigated the expression of FOXP3 after T-cell activation. We observed that expression of FOXP3 in activated PBMCs was already present above baseline before any cell division, indicating that it was induced in cells that were previously negative for this transcription factor. Because RSA women showed a more limited expansion of FOXP3-positive cells, we next assessed the role of IL-2 signaling through STAT5, which is known to be required for generation of inducible Tregs (iTregs). We demonstrated not only that TGF-β and IL-2 were diminished but also that the IL-2–STAT-5 signaling axis was down regulated in RSA women. Finally, in addition to a limited FOXP3+ cells expansion in vitro, iTregs from RSA women showed a strikingly lower suppressor activity.
Fil: Arruvito, Maria Lourdes. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Inmunología, Genética y Metabolismo. Universidad de Buenos Aires. Facultad de Medicina. Instituto de Inmunología, Genética y Metabolismo; Argentina. Universidad de Buenos Aires. Facultad de Medicina. Hospital de Clínicas General San Martín; Argentina
Fil: Sotelo, Ana Isabel. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Química y Físico-Química Biológicas "Prof. Alejandro C. Paladini". Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Instituto de Química y Físico-Química Biológicas; Argentina
Fil: Billordo, Luis Ariel. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Inmunología, Genética y Metabolismo. Universidad de Buenos Aires. Facultad de Medicina. Instituto de Inmunología, Genética y Metabolismo; Argentina. Universidad de Buenos Aires. Facultad de Medicina. Hospital de Clínicas General San Martín; Argentina
Fil: Fainboim, Leonardo. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Inmunología, Genética y Metabolismo. Universidad de Buenos Aires. Facultad de Medicina. Instituto de Inmunología, Genética y Metabolismo; Argentina. Universidad de Buenos Aires. Facultad de Medicina. Hospital de Clínicas General San Martín; Argentina - Materia
-
Inducible Treg Cells
Il-2
Stat-5
Human Reproduction - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/18200
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A physiological role for inducible FOXP3+ TREG cells: Lessons from women with reproductive failureArruvito, Maria LourdesSotelo, Ana IsabelBillordo, Luis ArielFainboim, LeonardoInducible Treg CellsIl-2Stat-5Human Reproductionhttps://purl.org/becyt/ford/3.1https://purl.org/becyt/ford/3We have previously shown a decreased frequency and function of Tregs in women suffering from recurrent spontaneous abortions (RSA). In the current study, we first investigated the expression of FOXP3 after T-cell activation. We observed that expression of FOXP3 in activated PBMCs was already present above baseline before any cell division, indicating that it was induced in cells that were previously negative for this transcription factor. Because RSA women showed a more limited expansion of FOXP3-positive cells, we next assessed the role of IL-2 signaling through STAT5, which is known to be required for generation of inducible Tregs (iTregs). We demonstrated not only that TGF-β and IL-2 were diminished but also that the IL-2–STAT-5 signaling axis was down regulated in RSA women. Finally, in addition to a limited FOXP3+ cells expansion in vitro, iTregs from RSA women showed a strikingly lower suppressor activity.Fil: Arruvito, Maria Lourdes. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Inmunología, Genética y Metabolismo. Universidad de Buenos Aires. Facultad de Medicina. Instituto de Inmunología, Genética y Metabolismo; Argentina. Universidad de Buenos Aires. Facultad de Medicina. Hospital de Clínicas General San Martín; ArgentinaFil: Sotelo, Ana Isabel. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Química y Físico-Química Biológicas "Prof. Alejandro C. Paladini". Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Instituto de Química y Físico-Química Biológicas; ArgentinaFil: Billordo, Luis Ariel. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Inmunología, Genética y Metabolismo. Universidad de Buenos Aires. Facultad de Medicina. Instituto de Inmunología, Genética y Metabolismo; Argentina. Universidad de Buenos Aires. Facultad de Medicina. Hospital de Clínicas General San Martín; ArgentinaFil: Fainboim, Leonardo. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Inmunología, Genética y Metabolismo. Universidad de Buenos Aires. Facultad de Medicina. Instituto de Inmunología, Genética y Metabolismo; Argentina. Universidad de Buenos Aires. Facultad de Medicina. Hospital de Clínicas General San Martín; ArgentinaElsevier Inc2010-09info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/18200Arruvito, Maria Lourdes; Sotelo, Ana Isabel; Billordo, Luis Ariel; Fainboim, Leonardo; A physiological role for inducible FOXP3+ TREG cells: Lessons from women with reproductive failure; Elsevier Inc; Clinical Immunology; 136; 3; 9-2010; 432-4411521-6616CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S1521661610005796info:eu-repo/semantics/altIdentifier/doi/10.1016/j.clim.2010.05.002info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-nd/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-03T09:45:08Zoai:ri.conicet.gov.ar:11336/18200instacron: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:34982025-09-03 09:45:09.147CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
A physiological role for inducible FOXP3+ TREG cells: Lessons from women with reproductive failure |
title |
A physiological role for inducible FOXP3+ TREG cells: Lessons from women with reproductive failure |
spellingShingle |
A physiological role for inducible FOXP3+ TREG cells: Lessons from women with reproductive failure Arruvito, Maria Lourdes Inducible Treg Cells Il-2 Stat-5 Human Reproduction |
title_short |
A physiological role for inducible FOXP3+ TREG cells: Lessons from women with reproductive failure |
title_full |
A physiological role for inducible FOXP3+ TREG cells: Lessons from women with reproductive failure |
title_fullStr |
A physiological role for inducible FOXP3+ TREG cells: Lessons from women with reproductive failure |
title_full_unstemmed |
A physiological role for inducible FOXP3+ TREG cells: Lessons from women with reproductive failure |
title_sort |
A physiological role for inducible FOXP3+ TREG cells: Lessons from women with reproductive failure |
dc.creator.none.fl_str_mv |
Arruvito, Maria Lourdes Sotelo, Ana Isabel Billordo, Luis Ariel Fainboim, Leonardo |
author |
Arruvito, Maria Lourdes |
author_facet |
Arruvito, Maria Lourdes Sotelo, Ana Isabel Billordo, Luis Ariel Fainboim, Leonardo |
author_role |
author |
author2 |
Sotelo, Ana Isabel Billordo, Luis Ariel Fainboim, Leonardo |
author2_role |
author author author |
dc.subject.none.fl_str_mv |
Inducible Treg Cells Il-2 Stat-5 Human Reproduction |
topic |
Inducible Treg Cells Il-2 Stat-5 Human Reproduction |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/3.1 https://purl.org/becyt/ford/3 |
dc.description.none.fl_txt_mv |
We have previously shown a decreased frequency and function of Tregs in women suffering from recurrent spontaneous abortions (RSA). In the current study, we first investigated the expression of FOXP3 after T-cell activation. We observed that expression of FOXP3 in activated PBMCs was already present above baseline before any cell division, indicating that it was induced in cells that were previously negative for this transcription factor. Because RSA women showed a more limited expansion of FOXP3-positive cells, we next assessed the role of IL-2 signaling through STAT5, which is known to be required for generation of inducible Tregs (iTregs). We demonstrated not only that TGF-β and IL-2 were diminished but also that the IL-2–STAT-5 signaling axis was down regulated in RSA women. Finally, in addition to a limited FOXP3+ cells expansion in vitro, iTregs from RSA women showed a strikingly lower suppressor activity. Fil: Arruvito, Maria Lourdes. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Inmunología, Genética y Metabolismo. Universidad de Buenos Aires. Facultad de Medicina. Instituto de Inmunología, Genética y Metabolismo; Argentina. Universidad de Buenos Aires. Facultad de Medicina. Hospital de Clínicas General San Martín; Argentina Fil: Sotelo, Ana Isabel. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Química y Físico-Química Biológicas "Prof. Alejandro C. Paladini". Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Instituto de Química y Físico-Química Biológicas; Argentina Fil: Billordo, Luis Ariel. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Inmunología, Genética y Metabolismo. Universidad de Buenos Aires. Facultad de Medicina. Instituto de Inmunología, Genética y Metabolismo; Argentina. Universidad de Buenos Aires. Facultad de Medicina. Hospital de Clínicas General San Martín; Argentina Fil: Fainboim, Leonardo. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Inmunología, Genética y Metabolismo. Universidad de Buenos Aires. Facultad de Medicina. Instituto de Inmunología, Genética y Metabolismo; Argentina. Universidad de Buenos Aires. Facultad de Medicina. Hospital de Clínicas General San Martín; Argentina |
description |
We have previously shown a decreased frequency and function of Tregs in women suffering from recurrent spontaneous abortions (RSA). In the current study, we first investigated the expression of FOXP3 after T-cell activation. We observed that expression of FOXP3 in activated PBMCs was already present above baseline before any cell division, indicating that it was induced in cells that were previously negative for this transcription factor. Because RSA women showed a more limited expansion of FOXP3-positive cells, we next assessed the role of IL-2 signaling through STAT5, which is known to be required for generation of inducible Tregs (iTregs). We demonstrated not only that TGF-β and IL-2 were diminished but also that the IL-2–STAT-5 signaling axis was down regulated in RSA women. Finally, in addition to a limited FOXP3+ cells expansion in vitro, iTregs from RSA women showed a strikingly lower suppressor activity. |
publishDate |
2010 |
dc.date.none.fl_str_mv |
2010-09 |
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/11336/18200 Arruvito, Maria Lourdes; Sotelo, Ana Isabel; Billordo, Luis Ariel; Fainboim, Leonardo; A physiological role for inducible FOXP3+ TREG cells: Lessons from women with reproductive failure; Elsevier Inc; Clinical Immunology; 136; 3; 9-2010; 432-441 1521-6616 CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/18200 |
identifier_str_mv |
Arruvito, Maria Lourdes; Sotelo, Ana Isabel; Billordo, Luis Ariel; Fainboim, Leonardo; A physiological role for inducible FOXP3+ TREG cells: Lessons from women with reproductive failure; Elsevier Inc; Clinical Immunology; 136; 3; 9-2010; 432-441 1521-6616 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://www.sciencedirect.com/science/article/pii/S1521661610005796 info:eu-repo/semantics/altIdentifier/doi/10.1016/j.clim.2010.05.002 |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-nd/2.5/ar/ |
eu_rights_str_mv |
openAccess |
rights_invalid_str_mv |
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/ |
dc.format.none.fl_str_mv |
application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
Elsevier Inc |
publisher.none.fl_str_mv |
Elsevier Inc |
dc.source.none.fl_str_mv |
reponame:CONICET Digital (CONICET) instname:Consejo Nacional de Investigaciones Científicas y Técnicas |
reponame_str |
CONICET Digital (CONICET) |
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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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1842268713276932096 |
score |
13.13397 |