Effect of cadmium on 24-hour pattern in expression of redox enzime and clock genes in rat medial basal hypothalamus

Autores
Jiménez Ortega, Vanesa; Cardinali, Daniel Pedro; Fernández Mateos, María P.; Ríos Lugo, María J.; Scacchi, Pablo; Esquifino, Ana I.
Año de publicación
2010
Idioma
inglés
Tipo de recurso
artículo
Estado
versión enviada
Descripción
Fil: Jiménez Ortega, Vanesa. Universidad Complutense. Facultad de Medicina. Departamento de Bioquímica y Biología Molecular III; España
Fil: Cardinali, Daniel P. Pontificia Universidad Católica Argentina. Facultad de Ciencias Médicas; Departamento de Docencia e Investigación; Argentina
Fil: Fernández Mateos, María P. Universidad Complutense. Facultad de Medicina. Departamento de Biología Celular; España
Fil: Ríos Lugo, María J. Universidad Complutense. Facultad de Medicina. Departamento de Bioquímica y Biología Molecular III; España
Fil: Scacchi Bernasconi, Pablo A. Pontificia Universidad Católica Argentina. Facultad de Ciencias Médicas. Departamento de Docencia e Investigación; Argentina
Fil: Esquifino, Ana I. Universidad Complutense. Facultad de Medicina. Departamento de Bioquímica y Biología Molecular III; España
Abstract: The effect of cadmium (Cd) in the brain has been attributed to an increase in reactive oxygen species in cells, particularly when high amounts of the metal are given. In this study we examined the effect of a low dose of Cd (7.5 μg/day) on 24-h changes in expression of redox pathway enzyme and circadian genes in rat medial basal hypothalamus (MBH). Rats receiving CdCl2 (5 ppm in drinking water) or tap water for one month were killed at 6 different time intervals throughout a 24 h cycle. MBH mRNA levels were measured by real-time PCR analysis. In CdCl2 treated rats a disruption of 24-h pattern of hypothalamic gene expression of nitric oxide synthase (NOS)-1 and -2, heme oxygenase (HO)-1 and -2, Mn- superoxide dismutase (SOD), catalase, glutathione peroxidase and glutathione reductase was detectable. Mean levels of MBH mRNA for HO-2, Mn-SOD and catalase augmented after Cd intake, whereas those of NOS-2 decreased. After CdCl2 intake rats the 24-h pattern of clock gene expression in MBH seen in controls was significantly suppressed (Bmal1) or changed in phase (Per1, Per2, Cry2) while in the case of Clock significant 24-h variations were induced. The results are compatible with the view that a low amount of Cd given in tap water brought about significant changes in circadian expression of redox enzyme and clock genes in rat MBH.
Fuente
Biometals. 2010, 23 (2)
Materia
RITMO CIRCADIANO
OXIDO NITRICO SINTASA
HEMO-OXIGENASA
SUPEROXIDO DISMUTASA
CATALASA
GLUTATION PEROXIDASA
GLUTATION REDUCTASA
CADMIO
HIPOTALAMO MEDIO
EXPRESION GENICA
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/4.0/
Repositorio
Repositorio Institucional (UCA)
Institución
Pontificia Universidad Católica Argentina
OAI Identificador
oai:ucacris:123456789/1643

id RIUCA_ab06239db12041f03b44424966c032e7
oai_identifier_str oai:ucacris:123456789/1643
network_acronym_str RIUCA
repository_id_str 2585
network_name_str Repositorio Institucional (UCA)
spelling Effect of cadmium on 24-hour pattern in expression of redox enzime and clock genes in rat medial basal hypothalamusJiménez Ortega, VanesaCardinali, Daniel PedroFernández Mateos, María P.Ríos Lugo, María J.Scacchi, PabloEsquifino, Ana I.RITMO CIRCADIANOOXIDO NITRICO SINTASAHEMO-OXIGENASASUPEROXIDO DISMUTASACATALASAGLUTATION PEROXIDASAGLUTATION REDUCTASACADMIOHIPOTALAMO MEDIOEXPRESION GENICAFil: Jiménez Ortega, Vanesa. Universidad Complutense. Facultad de Medicina. Departamento de Bioquímica y Biología Molecular III; EspañaFil: Cardinali, Daniel P. Pontificia Universidad Católica Argentina. Facultad de Ciencias Médicas; Departamento de Docencia e Investigación; ArgentinaFil: Fernández Mateos, María P. Universidad Complutense. Facultad de Medicina. Departamento de Biología Celular; EspañaFil: Ríos Lugo, María J. Universidad Complutense. Facultad de Medicina. Departamento de Bioquímica y Biología Molecular III; EspañaFil: Scacchi Bernasconi, Pablo A. Pontificia Universidad Católica Argentina. Facultad de Ciencias Médicas. Departamento de Docencia e Investigación; ArgentinaFil: Esquifino, Ana I. Universidad Complutense. Facultad de Medicina. Departamento de Bioquímica y Biología Molecular III; EspañaAbstract: The effect of cadmium (Cd) in the brain has been attributed to an increase in reactive oxygen species in cells, particularly when high amounts of the metal are given. In this study we examined the effect of a low dose of Cd (7.5 μg/day) on 24-h changes in expression of redox pathway enzyme and circadian genes in rat medial basal hypothalamus (MBH). Rats receiving CdCl2 (5 ppm in drinking water) or tap water for one month were killed at 6 different time intervals throughout a 24 h cycle. MBH mRNA levels were measured by real-time PCR analysis. In CdCl2 treated rats a disruption of 24-h pattern of hypothalamic gene expression of nitric oxide synthase (NOS)-1 and -2, heme oxygenase (HO)-1 and -2, Mn- superoxide dismutase (SOD), catalase, glutathione peroxidase and glutathione reductase was detectable. Mean levels of MBH mRNA for HO-2, Mn-SOD and catalase augmented after Cd intake, whereas those of NOS-2 decreased. After CdCl2 intake rats the 24-h pattern of clock gene expression in MBH seen in controls was significantly suppressed (Bmal1) or changed in phase (Per1, Per2, Cry2) while in the case of Clock significant 24-h variations were induced. The results are compatible with the view that a low amount of Cd given in tap water brought about significant changes in circadian expression of redox enzyme and clock genes in rat MBH.Springer2010info:eu-repo/semantics/articleinfo:eu-repo/semantics/submittedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfhttps://repositorio.uca.edu.ar/handle/123456789/16431572-8773 (online)0966-0844 (impreso)10.1007/s10534-010-9292-6Jiménez-Ortega, V., et al. Effect of cadmium on 24-hour pattern in expression of redox enzime and clock genes in rat medial basal hypothalamus [en línea]. Preprint del artículo publicado en Biometals. 2010, 23 (2). doi:10.1007/s10534-010-9292-6. Disponible en: https://repositorio.uca.edu.ar/handle/123456789/1643Biometals. 2010, 23 (2)reponame:Repositorio Institucional (UCA)instname:Pontificia Universidad Católica Argentinaengenginfo:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/4.0/2025-07-03T10:55:21Zoai:ucacris:123456789/1643instacron:UCAInstitucionalhttps://repositorio.uca.edu.ar/Universidad privadaNo correspondehttps://repositorio.uca.edu.ar/oaiclaudia_fernandez@uca.edu.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:25852025-07-03 10:55:21.839Repositorio Institucional (UCA) - Pontificia Universidad Católica Argentinafalse
dc.title.none.fl_str_mv Effect of cadmium on 24-hour pattern in expression of redox enzime and clock genes in rat medial basal hypothalamus
title Effect of cadmium on 24-hour pattern in expression of redox enzime and clock genes in rat medial basal hypothalamus
spellingShingle Effect of cadmium on 24-hour pattern in expression of redox enzime and clock genes in rat medial basal hypothalamus
Jiménez Ortega, Vanesa
RITMO CIRCADIANO
OXIDO NITRICO SINTASA
HEMO-OXIGENASA
SUPEROXIDO DISMUTASA
CATALASA
GLUTATION PEROXIDASA
GLUTATION REDUCTASA
CADMIO
HIPOTALAMO MEDIO
EXPRESION GENICA
title_short Effect of cadmium on 24-hour pattern in expression of redox enzime and clock genes in rat medial basal hypothalamus
title_full Effect of cadmium on 24-hour pattern in expression of redox enzime and clock genes in rat medial basal hypothalamus
title_fullStr Effect of cadmium on 24-hour pattern in expression of redox enzime and clock genes in rat medial basal hypothalamus
title_full_unstemmed Effect of cadmium on 24-hour pattern in expression of redox enzime and clock genes in rat medial basal hypothalamus
title_sort Effect of cadmium on 24-hour pattern in expression of redox enzime and clock genes in rat medial basal hypothalamus
dc.creator.none.fl_str_mv Jiménez Ortega, Vanesa
Cardinali, Daniel Pedro
Fernández Mateos, María P.
Ríos Lugo, María J.
Scacchi, Pablo
Esquifino, Ana I.
author Jiménez Ortega, Vanesa
author_facet Jiménez Ortega, Vanesa
Cardinali, Daniel Pedro
Fernández Mateos, María P.
Ríos Lugo, María J.
Scacchi, Pablo
Esquifino, Ana I.
author_role author
author2 Cardinali, Daniel Pedro
Fernández Mateos, María P.
Ríos Lugo, María J.
Scacchi, Pablo
Esquifino, Ana I.
author2_role author
author
author
author
author
dc.subject.none.fl_str_mv RITMO CIRCADIANO
OXIDO NITRICO SINTASA
HEMO-OXIGENASA
SUPEROXIDO DISMUTASA
CATALASA
GLUTATION PEROXIDASA
GLUTATION REDUCTASA
CADMIO
HIPOTALAMO MEDIO
EXPRESION GENICA
topic RITMO CIRCADIANO
OXIDO NITRICO SINTASA
HEMO-OXIGENASA
SUPEROXIDO DISMUTASA
CATALASA
GLUTATION PEROXIDASA
GLUTATION REDUCTASA
CADMIO
HIPOTALAMO MEDIO
EXPRESION GENICA
dc.description.none.fl_txt_mv Fil: Jiménez Ortega, Vanesa. Universidad Complutense. Facultad de Medicina. Departamento de Bioquímica y Biología Molecular III; España
Fil: Cardinali, Daniel P. Pontificia Universidad Católica Argentina. Facultad de Ciencias Médicas; Departamento de Docencia e Investigación; Argentina
Fil: Fernández Mateos, María P. Universidad Complutense. Facultad de Medicina. Departamento de Biología Celular; España
Fil: Ríos Lugo, María J. Universidad Complutense. Facultad de Medicina. Departamento de Bioquímica y Biología Molecular III; España
Fil: Scacchi Bernasconi, Pablo A. Pontificia Universidad Católica Argentina. Facultad de Ciencias Médicas. Departamento de Docencia e Investigación; Argentina
Fil: Esquifino, Ana I. Universidad Complutense. Facultad de Medicina. Departamento de Bioquímica y Biología Molecular III; España
Abstract: The effect of cadmium (Cd) in the brain has been attributed to an increase in reactive oxygen species in cells, particularly when high amounts of the metal are given. In this study we examined the effect of a low dose of Cd (7.5 μg/day) on 24-h changes in expression of redox pathway enzyme and circadian genes in rat medial basal hypothalamus (MBH). Rats receiving CdCl2 (5 ppm in drinking water) or tap water for one month were killed at 6 different time intervals throughout a 24 h cycle. MBH mRNA levels were measured by real-time PCR analysis. In CdCl2 treated rats a disruption of 24-h pattern of hypothalamic gene expression of nitric oxide synthase (NOS)-1 and -2, heme oxygenase (HO)-1 and -2, Mn- superoxide dismutase (SOD), catalase, glutathione peroxidase and glutathione reductase was detectable. Mean levels of MBH mRNA for HO-2, Mn-SOD and catalase augmented after Cd intake, whereas those of NOS-2 decreased. After CdCl2 intake rats the 24-h pattern of clock gene expression in MBH seen in controls was significantly suppressed (Bmal1) or changed in phase (Per1, Per2, Cry2) while in the case of Clock significant 24-h variations were induced. The results are compatible with the view that a low amount of Cd given in tap water brought about significant changes in circadian expression of redox enzyme and clock genes in rat MBH.
description Fil: Jiménez Ortega, Vanesa. Universidad Complutense. Facultad de Medicina. Departamento de Bioquímica y Biología Molecular III; España
publishDate 2010
dc.date.none.fl_str_mv 2010
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/submittedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str submittedVersion
dc.identifier.none.fl_str_mv https://repositorio.uca.edu.ar/handle/123456789/1643
1572-8773 (online)
0966-0844 (impreso)
10.1007/s10534-010-9292-6
Jiménez-Ortega, V., et al. Effect of cadmium on 24-hour pattern in expression of redox enzime and clock genes in rat medial basal hypothalamus [en línea]. Preprint del artículo publicado en Biometals. 2010, 23 (2). doi:10.1007/s10534-010-9292-6. Disponible en: https://repositorio.uca.edu.ar/handle/123456789/1643
url https://repositorio.uca.edu.ar/handle/123456789/1643
identifier_str_mv 1572-8773 (online)
0966-0844 (impreso)
10.1007/s10534-010-9292-6
Jiménez-Ortega, V., et al. Effect of cadmium on 24-hour pattern in expression of redox enzime and clock genes in rat medial basal hypothalamus [en línea]. Preprint del artículo publicado en Biometals. 2010, 23 (2). doi:10.1007/s10534-010-9292-6. Disponible en: https://repositorio.uca.edu.ar/handle/123456789/1643
dc.language.none.fl_str_mv eng
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 Biometals. 2010, 23 (2)
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
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score 13.070432