Induction of apoptosis in T lymphoma cells by long-term treatment with thyroxine involves PKCf nitration by nitric oxide synthase
- Autores
- Barreiro Arcos, María Laura; Sterle, Helena Andrea; Vercelli, C.; Valli, Eduardo; Cayrol, María Florencia; Klecha, Alicia Juana; Paulazo, Maria Alejandra; Díaz Flaqué, María Celeste; Franchi, A. M.; Cremaschi, Graciela A.
- Año de publicación
- 2013
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- Fil: Barreiro Arcos, María Laura. Pontificia Universidad Católica Argentina. Facultad de Ciencias Médicas. Instituto de Investigaciones Biomédicas; Argentina
Fil: Barreiro Arcos, María Laura. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Sterle, Helena Andrea. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Sterle, Helena Andrea. Pontificia Universidad Católica Argentina. Facultad de Ciencias Médicas. Instituto de Investigaciones Biomédicas; Argentina
Fil: Vercelli, C. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones en Biomedicina; Argentina
Fil: Valli, Eduardo. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Valli, Eduardo. Pontificia Universidad Católica Argentina. Facultad de Ciencias Médicas. Instituto de Investigaciones Biomédicas; Argentina
Fil: Cayrol, María Florencia. Pontificia Universidad Católica Argentina. Facultad de Ciencias Médicas. Instituto de Investigaciones Biomédicas; Argentina
Fil: Cayrol, María Florencia. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Klecha, Alicia Juana. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Laboratorio de Radioisotopos; Argentina
Fil: Paulazo, Maria Alejandra. Pontificia Universidad Católica Argentina. Facultad de Ciencias Médicas. Instituto de Investigaciones Biomédicas; Argentina
Fil: Paulazo, Maria Alejandra. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Díaz Flaqué, María Celeste. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Díaz Flaqué, María Celeste. Pontificia Universidad Católica Argentina. Facultad de Ciencias Médicas. Instituto de Investigaciones Biomédicas; Argentina
Fil: Franchi, A. M. Universidad de Buenos Aires. Facultad de Medicina. Centro de Estudios Farmacológicos y Botánicos; Argentina
Fil: Franchi, A. M. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Cremaschi, Graciela Alicia. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Laboratorio de Radioisotopos; Argentina
Fil: Cremaschi, Graciela Alicia. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Cremaschi, Graciela Alicia. Pontificia Universidad Católica Argentina. Facultad de Ciencias Médicas. Instituto de Investigaciones Biomédicas; Argentina
Abstract: Thyroid hormones are important regulators of cell physiology, inducing cell proliferation, differentiation or apoptosis, depending on the cell type. Thyroid hormones induce proliferation in short-term T lymphocyte cultures. In this study, we assessed the effect of long-term thyroxine (T4) treatment on the balance of proliferation and apoptosis and the intermediate participants in T lymphoma cells. Treatment with T4 affected this balance from the fifth day of culture, inhibiting proliferation in a time-dependent manner. This effect was associated with apoptosis induction, as characterized through nuclear morphological changes, DNA fragmentation, and Annexin V-FITC/Propidium Iodide co-staining. In addition, increased iNOS gene and protein levels, and enzyme activity were observed. The generation of reactive oxygen species, depolarization of the mitochondrial membrane, and a reduction in glutathione levels were also observed. The imbalance between oxidants and antioxidants species is typically associated with the nitration of proteins, including PKCζ, an isoenzyme essential for lymphoma cell division and survival. Consistently, evidence of PKCζ nitration via proteasome degradation was also observed in this study. Taken together, these results suggest that the long-term culture of T lymphoma cells with T4 induces apoptosis through the increased production of oxidative species resulting from both augmented iNOS activity and the loss of mitochondrial function. These species induce the nitration of proteins involved in cell viability, promoting proteasome degradation. Furthermore, we discuss the impact of these results on the modulation of T lymphoma growth and the thyroid status in vivo. - Fuente
- Apoptosis. 2013. 18(11)
- Materia
-
APOPTOSIS
ADN
GENES
MITOCONDRIA
NITRATOS
PROTEINAS
TIEMPO
LINFOMA DE CELULAS T - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-sa/4.0/
- Repositorio
- Institución
- Pontificia Universidad Católica Argentina
- OAI Identificador
- oai:ucacris:123456789/15265
Ver los metadatos del registro completo
id |
RIUCA_fb62b8a559f4c080b08decfffc4dfa05 |
---|---|
oai_identifier_str |
oai:ucacris:123456789/15265 |
network_acronym_str |
RIUCA |
repository_id_str |
2585 |
network_name_str |
Repositorio Institucional (UCA) |
spelling |
Induction of apoptosis in T lymphoma cells by long-term treatment with thyroxine involves PKCf nitration by nitric oxide synthaseBarreiro Arcos, María LauraSterle, Helena AndreaVercelli, C.Valli, EduardoCayrol, María FlorenciaKlecha, Alicia JuanaPaulazo, Maria AlejandraDíaz Flaqué, María CelesteFranchi, A. M.Cremaschi, Graciela A.APOPTOSISADNGENESMITOCONDRIANITRATOSPROTEINASTIEMPOLINFOMA DE CELULAS TFil: Barreiro Arcos, María Laura. Pontificia Universidad Católica Argentina. Facultad de Ciencias Médicas. Instituto de Investigaciones Biomédicas; ArgentinaFil: Barreiro Arcos, María Laura. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Sterle, Helena Andrea. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Sterle, Helena Andrea. Pontificia Universidad Católica Argentina. Facultad de Ciencias Médicas. Instituto de Investigaciones Biomédicas; ArgentinaFil: Vercelli, C. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones en Biomedicina; ArgentinaFil: Valli, Eduardo. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Valli, Eduardo. Pontificia Universidad Católica Argentina. Facultad de Ciencias Médicas. Instituto de Investigaciones Biomédicas; ArgentinaFil: Cayrol, María Florencia. Pontificia Universidad Católica Argentina. Facultad de Ciencias Médicas. Instituto de Investigaciones Biomédicas; ArgentinaFil: Cayrol, María Florencia. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Klecha, Alicia Juana. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Laboratorio de Radioisotopos; ArgentinaFil: Paulazo, Maria Alejandra. Pontificia Universidad Católica Argentina. Facultad de Ciencias Médicas. Instituto de Investigaciones Biomédicas; ArgentinaFil: Paulazo, Maria Alejandra. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Díaz Flaqué, María Celeste. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Díaz Flaqué, María Celeste. Pontificia Universidad Católica Argentina. Facultad de Ciencias Médicas. Instituto de Investigaciones Biomédicas; ArgentinaFil: Franchi, A. M. Universidad de Buenos Aires. Facultad de Medicina. Centro de Estudios Farmacológicos y Botánicos; ArgentinaFil: Franchi, A. M. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Cremaschi, Graciela Alicia. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Laboratorio de Radioisotopos; ArgentinaFil: Cremaschi, Graciela Alicia. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Cremaschi, Graciela Alicia. Pontificia Universidad Católica Argentina. Facultad de Ciencias Médicas. Instituto de Investigaciones Biomédicas; ArgentinaAbstract: Thyroid hormones are important regulators of cell physiology, inducing cell proliferation, differentiation or apoptosis, depending on the cell type. Thyroid hormones induce proliferation in short-term T lymphocyte cultures. In this study, we assessed the effect of long-term thyroxine (T4) treatment on the balance of proliferation and apoptosis and the intermediate participants in T lymphoma cells. Treatment with T4 affected this balance from the fifth day of culture, inhibiting proliferation in a time-dependent manner. This effect was associated with apoptosis induction, as characterized through nuclear morphological changes, DNA fragmentation, and Annexin V-FITC/Propidium Iodide co-staining. In addition, increased iNOS gene and protein levels, and enzyme activity were observed. The generation of reactive oxygen species, depolarization of the mitochondrial membrane, and a reduction in glutathione levels were also observed. The imbalance between oxidants and antioxidants species is typically associated with the nitration of proteins, including PKCζ, an isoenzyme essential for lymphoma cell division and survival. Consistently, evidence of PKCζ nitration via proteasome degradation was also observed in this study. Taken together, these results suggest that the long-term culture of T lymphoma cells with T4 induces apoptosis through the increased production of oxidative species resulting from both augmented iNOS activity and the loss of mitochondrial function. These species induce the nitration of proteins involved in cell viability, promoting proteasome degradation. Furthermore, we discuss the impact of these results on the modulation of T lymphoma growth and the thyroid status in vivo.Springer2013info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfhttps://repositorio.uca.edu.ar/handle/123456789/152651573-675X (online)1360-818510.1007/s10495-013-0869-823733107Barreiro Arcos, M.L. Induction of apoptosis in T lymphoma cells by long-term treatment with thyroxine involves PKCf nitration by nitric oxide synthase [en línea]. Apoptosis. 2013. 18(11) doi:10.1007/s10495-013-0869-8 Disponible en: https://repositorio.uca.edu.ar/handle/123456789/15265Apoptosis. 2013. 18(11)reponame:Repositorio Institucional (UCA)instname:Pontificia Universidad Católica Argentinaenginfo:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/4.0/2025-07-03T10:58:53Zoai:ucacris:123456789/15265instacron:UCAInstitucionalhttps://repositorio.uca.edu.ar/Universidad privadaNo correspondehttps://repositorio.uca.edu.ar/oaiclaudia_fernandez@uca.edu.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:25852025-07-03 10:58:54.164Repositorio Institucional (UCA) - Pontificia Universidad Católica Argentinafalse |
dc.title.none.fl_str_mv |
Induction of apoptosis in T lymphoma cells by long-term treatment with thyroxine involves PKCf nitration by nitric oxide synthase |
title |
Induction of apoptosis in T lymphoma cells by long-term treatment with thyroxine involves PKCf nitration by nitric oxide synthase |
spellingShingle |
Induction of apoptosis in T lymphoma cells by long-term treatment with thyroxine involves PKCf nitration by nitric oxide synthase Barreiro Arcos, María Laura APOPTOSIS ADN GENES MITOCONDRIA NITRATOS PROTEINAS TIEMPO LINFOMA DE CELULAS T |
title_short |
Induction of apoptosis in T lymphoma cells by long-term treatment with thyroxine involves PKCf nitration by nitric oxide synthase |
title_full |
Induction of apoptosis in T lymphoma cells by long-term treatment with thyroxine involves PKCf nitration by nitric oxide synthase |
title_fullStr |
Induction of apoptosis in T lymphoma cells by long-term treatment with thyroxine involves PKCf nitration by nitric oxide synthase |
title_full_unstemmed |
Induction of apoptosis in T lymphoma cells by long-term treatment with thyroxine involves PKCf nitration by nitric oxide synthase |
title_sort |
Induction of apoptosis in T lymphoma cells by long-term treatment with thyroxine involves PKCf nitration by nitric oxide synthase |
dc.creator.none.fl_str_mv |
Barreiro Arcos, María Laura Sterle, Helena Andrea Vercelli, C. Valli, Eduardo Cayrol, María Florencia Klecha, Alicia Juana Paulazo, Maria Alejandra Díaz Flaqué, María Celeste Franchi, A. M. Cremaschi, Graciela A. |
author |
Barreiro Arcos, María Laura |
author_facet |
Barreiro Arcos, María Laura Sterle, Helena Andrea Vercelli, C. Valli, Eduardo Cayrol, María Florencia Klecha, Alicia Juana Paulazo, Maria Alejandra Díaz Flaqué, María Celeste Franchi, A. M. Cremaschi, Graciela A. |
author_role |
author |
author2 |
Sterle, Helena Andrea Vercelli, C. Valli, Eduardo Cayrol, María Florencia Klecha, Alicia Juana Paulazo, Maria Alejandra Díaz Flaqué, María Celeste Franchi, A. M. Cremaschi, Graciela A. |
author2_role |
author author author author author author author author author |
dc.subject.none.fl_str_mv |
APOPTOSIS ADN GENES MITOCONDRIA NITRATOS PROTEINAS TIEMPO LINFOMA DE CELULAS T |
topic |
APOPTOSIS ADN GENES MITOCONDRIA NITRATOS PROTEINAS TIEMPO LINFOMA DE CELULAS T |
dc.description.none.fl_txt_mv |
Fil: Barreiro Arcos, María Laura. Pontificia Universidad Católica Argentina. Facultad de Ciencias Médicas. Instituto de Investigaciones Biomédicas; Argentina Fil: Barreiro Arcos, María Laura. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Sterle, Helena Andrea. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Sterle, Helena Andrea. Pontificia Universidad Católica Argentina. Facultad de Ciencias Médicas. Instituto de Investigaciones Biomédicas; Argentina Fil: Vercelli, C. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones en Biomedicina; Argentina Fil: Valli, Eduardo. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Valli, Eduardo. Pontificia Universidad Católica Argentina. Facultad de Ciencias Médicas. Instituto de Investigaciones Biomédicas; Argentina Fil: Cayrol, María Florencia. Pontificia Universidad Católica Argentina. Facultad de Ciencias Médicas. Instituto de Investigaciones Biomédicas; Argentina Fil: Cayrol, María Florencia. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Klecha, Alicia Juana. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Laboratorio de Radioisotopos; Argentina Fil: Paulazo, Maria Alejandra. Pontificia Universidad Católica Argentina. Facultad de Ciencias Médicas. Instituto de Investigaciones Biomédicas; Argentina Fil: Paulazo, Maria Alejandra. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Díaz Flaqué, María Celeste. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Díaz Flaqué, María Celeste. Pontificia Universidad Católica Argentina. Facultad de Ciencias Médicas. Instituto de Investigaciones Biomédicas; Argentina Fil: Franchi, A. M. Universidad de Buenos Aires. Facultad de Medicina. Centro de Estudios Farmacológicos y Botánicos; Argentina Fil: Franchi, A. M. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Cremaschi, Graciela Alicia. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Laboratorio de Radioisotopos; Argentina Fil: Cremaschi, Graciela Alicia. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Cremaschi, Graciela Alicia. Pontificia Universidad Católica Argentina. Facultad de Ciencias Médicas. Instituto de Investigaciones Biomédicas; Argentina Abstract: Thyroid hormones are important regulators of cell physiology, inducing cell proliferation, differentiation or apoptosis, depending on the cell type. Thyroid hormones induce proliferation in short-term T lymphocyte cultures. In this study, we assessed the effect of long-term thyroxine (T4) treatment on the balance of proliferation and apoptosis and the intermediate participants in T lymphoma cells. Treatment with T4 affected this balance from the fifth day of culture, inhibiting proliferation in a time-dependent manner. This effect was associated with apoptosis induction, as characterized through nuclear morphological changes, DNA fragmentation, and Annexin V-FITC/Propidium Iodide co-staining. In addition, increased iNOS gene and protein levels, and enzyme activity were observed. The generation of reactive oxygen species, depolarization of the mitochondrial membrane, and a reduction in glutathione levels were also observed. The imbalance between oxidants and antioxidants species is typically associated with the nitration of proteins, including PKCζ, an isoenzyme essential for lymphoma cell division and survival. Consistently, evidence of PKCζ nitration via proteasome degradation was also observed in this study. Taken together, these results suggest that the long-term culture of T lymphoma cells with T4 induces apoptosis through the increased production of oxidative species resulting from both augmented iNOS activity and the loss of mitochondrial function. These species induce the nitration of proteins involved in cell viability, promoting proteasome degradation. Furthermore, we discuss the impact of these results on the modulation of T lymphoma growth and the thyroid status in vivo. |
description |
Fil: Barreiro Arcos, María Laura. Pontificia Universidad Católica Argentina. Facultad de Ciencias Médicas. Instituto de Investigaciones Biomédicas; Argentina |
publishDate |
2013 |
dc.date.none.fl_str_mv |
2013 |
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 |
https://repositorio.uca.edu.ar/handle/123456789/15265 1573-675X (online) 1360-8185 10.1007/s10495-013-0869-8 23733107 Barreiro Arcos, M.L. Induction of apoptosis in T lymphoma cells by long-term treatment with thyroxine involves PKCf nitration by nitric oxide synthase [en línea]. Apoptosis. 2013. 18(11) doi:10.1007/s10495-013-0869-8 Disponible en: https://repositorio.uca.edu.ar/handle/123456789/15265 |
url |
https://repositorio.uca.edu.ar/handle/123456789/15265 |
identifier_str_mv |
1573-675X (online) 1360-8185 10.1007/s10495-013-0869-8 23733107 Barreiro Arcos, M.L. Induction of apoptosis in T lymphoma cells by long-term treatment with thyroxine involves PKCf nitration by nitric oxide synthase [en línea]. Apoptosis. 2013. 18(11) doi:10.1007/s10495-013-0869-8 Disponible en: https://repositorio.uca.edu.ar/handle/123456789/15265 |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-sa/4.0/ |
eu_rights_str_mv |
openAccess |
rights_invalid_str_mv |
https://creativecommons.org/licenses/by-nc-sa/4.0/ |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Springer |
publisher.none.fl_str_mv |
Springer |
dc.source.none.fl_str_mv |
Apoptosis. 2013. 18(11) reponame:Repositorio Institucional (UCA) instname:Pontificia Universidad Católica Argentina |
reponame_str |
Repositorio Institucional (UCA) |
collection |
Repositorio Institucional (UCA) |
instname_str |
Pontificia Universidad Católica Argentina |
repository.name.fl_str_mv |
Repositorio Institucional (UCA) - Pontificia Universidad Católica Argentina |
repository.mail.fl_str_mv |
claudia_fernandez@uca.edu.ar |
_version_ |
1836638365551689728 |
score |
13.070432 |