Upregulation of mRNA myocardium calcium handling in rats submitted to exercise and food restriction

Detalhes bibliográficos
Autor(a) principal: Sugizaki, Mário Mateus [UNESP]
Data de Publicação: 2011
Outros Autores: Leopoldo, Ana Paula Lima [UNESP], Conde, Sandro José [UNESP], Campos, Dijon Salome [UNESP], Damato, Ricardo [UNESP], Leopoldo, André Soares [UNESP], do Nascimento, André Ferreira [UNESP], Júnior, Silvio de Assis Oliveira [UNESP], Cicogna, Antonio Carlos [UNESP]
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UNESP
Texto Completo: http://hdl.handle.net/11449/232028
Resumo: Background: Chronic exercise and food restriction (FR) have directionally opposite changes in transcription of molecular structures of calcium handling and thyroid hormone (TH) status. Objective: Evaluate the association of chronic exercise and FR on serum thyroid hormones and gene transcription of molecular structures of intracellular calcium transients and thyroid receptors in myocardium of rats. Methods: Male Wistar Kyoto rats, divided into two groups: control (C, n = 7), FR (R50', n = 7), chronic exercise (EX, n = 7) and chronic exercise + FR (EX50', n = 7). FR was of 50% and exercise was swimming (1 hour/day, 5 days/ week, during 12 weeks). Serum concentrations of T3', T4 and TSH were determined. The mRNA gene expression of the sarcoplasmatic reticulum calcium pump (SERCA2a), phospholamban (PLB), Na+/Ca+2 exchanger (NCX), calcium channel L-type (L-channel), ryanodine (RYR), calsequestrin (CQS) and HT receptor (TRα1 and TRβ1) of the myocardium was performed by PCR real-time. Results: FR reduced serum levels of T4 and TSH and TRα1 mRNA and increased the expression of PLB, NCX and L-channel. Exercise increased the TRβ1 receptor, L-channel and NCX. The association of exercise and FR reduced plasma T4 and TSH, TRβ1 mRNA increase, SERCA2a, NCX and PLB, and there was a significant correlation of TRβ1 with CQS and NXC. Conclusion: Chronic exercise and food restriction increased the mRNA of transient Ca2+ proteins; however, TH - receptor axis cannot participate in the transcription of mRNA of myocardial calcium transient proteins.
id UNSP_4b4bd75e6cf90e9f1800517c89ee9d40
oai_identifier_str oai:repositorio.unesp.br:11449/232028
network_acronym_str UNSP
network_name_str Repositório Institucional da UNESP
repository_id_str 2946
spelling Upregulation of mRNA myocardium calcium handling in rats submitted to exercise and food restrictionCalciumCaloric restrictionCarrier proteinsExerciseMyocardiumThyroid hormonesBackground: Chronic exercise and food restriction (FR) have directionally opposite changes in transcription of molecular structures of calcium handling and thyroid hormone (TH) status. Objective: Evaluate the association of chronic exercise and FR on serum thyroid hormones and gene transcription of molecular structures of intracellular calcium transients and thyroid receptors in myocardium of rats. Methods: Male Wistar Kyoto rats, divided into two groups: control (C, n = 7), FR (R50', n = 7), chronic exercise (EX, n = 7) and chronic exercise + FR (EX50', n = 7). FR was of 50% and exercise was swimming (1 hour/day, 5 days/ week, during 12 weeks). Serum concentrations of T3', T4 and TSH were determined. The mRNA gene expression of the sarcoplasmatic reticulum calcium pump (SERCA2a), phospholamban (PLB), Na+/Ca+2 exchanger (NCX), calcium channel L-type (L-channel), ryanodine (RYR), calsequestrin (CQS) and HT receptor (TRα1 and TRβ1) of the myocardium was performed by PCR real-time. Results: FR reduced serum levels of T4 and TSH and TRα1 mRNA and increased the expression of PLB, NCX and L-channel. Exercise increased the TRβ1 receptor, L-channel and NCX. The association of exercise and FR reduced plasma T4 and TSH, TRβ1 mRNA increase, SERCA2a, NCX and PLB, and there was a significant correlation of TRβ1 with CQS and NXC. Conclusion: Chronic exercise and food restriction increased the mRNA of transient Ca2+ proteins; however, TH - receptor axis cannot participate in the transcription of mRNA of myocardial calcium transient proteins.Instituto de Ciências da Saúde - Universidade Federal de Mato Grosso - UFMT Campus de Sinop, BotucatuCuiabá, MT Faculdade de Medicina - Universidade Estadual Paulista - UNESP Campus de Botucatu, BotucatuCuiabá, MT Faculdade de Medicina - Universidade Estadual Paulista - UNESP Campus de Botucatu, BotucatuInstituto de Ciências da Saúde - Universidade Federal de Mato Grosso - UFMTUniversidade Estadual Paulista (UNESP)Sugizaki, Mário Mateus [UNESP]Leopoldo, Ana Paula Lima [UNESP]Conde, Sandro José [UNESP]Campos, Dijon Salome [UNESP]Damato, Ricardo [UNESP]Leopoldo, André Soares [UNESP]do Nascimento, André Ferreira [UNESP]Júnior, Silvio de Assis Oliveira [UNESP]Cicogna, Antonio Carlos [UNESP]2022-04-29T08:48:45Z2022-04-29T08:48:45Z2011-07-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleArquivos Brasileiros de Cardiologia, v. 97, n. 1, 2011.0066-782X1678-4170http://hdl.handle.net/11449/2320282-s2.0-80052758480Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengArquivos Brasileiros de Cardiologiainfo:eu-repo/semantics/openAccess2024-08-14T17:22:36Zoai:repositorio.unesp.br:11449/232028Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-14T17:22:36Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false
dc.title.none.fl_str_mv Upregulation of mRNA myocardium calcium handling in rats submitted to exercise and food restriction
title Upregulation of mRNA myocardium calcium handling in rats submitted to exercise and food restriction
spellingShingle Upregulation of mRNA myocardium calcium handling in rats submitted to exercise and food restriction
Sugizaki, Mário Mateus [UNESP]
Calcium
Caloric restriction
Carrier proteins
Exercise
Myocardium
Thyroid hormones
title_short Upregulation of mRNA myocardium calcium handling in rats submitted to exercise and food restriction
title_full Upregulation of mRNA myocardium calcium handling in rats submitted to exercise and food restriction
title_fullStr Upregulation of mRNA myocardium calcium handling in rats submitted to exercise and food restriction
title_full_unstemmed Upregulation of mRNA myocardium calcium handling in rats submitted to exercise and food restriction
title_sort Upregulation of mRNA myocardium calcium handling in rats submitted to exercise and food restriction
author Sugizaki, Mário Mateus [UNESP]
author_facet Sugizaki, Mário Mateus [UNESP]
Leopoldo, Ana Paula Lima [UNESP]
Conde, Sandro José [UNESP]
Campos, Dijon Salome [UNESP]
Damato, Ricardo [UNESP]
Leopoldo, André Soares [UNESP]
do Nascimento, André Ferreira [UNESP]
Júnior, Silvio de Assis Oliveira [UNESP]
Cicogna, Antonio Carlos [UNESP]
author_role author
author2 Leopoldo, Ana Paula Lima [UNESP]
Conde, Sandro José [UNESP]
Campos, Dijon Salome [UNESP]
Damato, Ricardo [UNESP]
Leopoldo, André Soares [UNESP]
do Nascimento, André Ferreira [UNESP]
Júnior, Silvio de Assis Oliveira [UNESP]
Cicogna, Antonio Carlos [UNESP]
author2_role author
author
author
author
author
author
author
author
dc.contributor.none.fl_str_mv Instituto de Ciências da Saúde - Universidade Federal de Mato Grosso - UFMT
Universidade Estadual Paulista (UNESP)
dc.contributor.author.fl_str_mv Sugizaki, Mário Mateus [UNESP]
Leopoldo, Ana Paula Lima [UNESP]
Conde, Sandro José [UNESP]
Campos, Dijon Salome [UNESP]
Damato, Ricardo [UNESP]
Leopoldo, André Soares [UNESP]
do Nascimento, André Ferreira [UNESP]
Júnior, Silvio de Assis Oliveira [UNESP]
Cicogna, Antonio Carlos [UNESP]
dc.subject.por.fl_str_mv Calcium
Caloric restriction
Carrier proteins
Exercise
Myocardium
Thyroid hormones
topic Calcium
Caloric restriction
Carrier proteins
Exercise
Myocardium
Thyroid hormones
description Background: Chronic exercise and food restriction (FR) have directionally opposite changes in transcription of molecular structures of calcium handling and thyroid hormone (TH) status. Objective: Evaluate the association of chronic exercise and FR on serum thyroid hormones and gene transcription of molecular structures of intracellular calcium transients and thyroid receptors in myocardium of rats. Methods: Male Wistar Kyoto rats, divided into two groups: control (C, n = 7), FR (R50', n = 7), chronic exercise (EX, n = 7) and chronic exercise + FR (EX50', n = 7). FR was of 50% and exercise was swimming (1 hour/day, 5 days/ week, during 12 weeks). Serum concentrations of T3', T4 and TSH were determined. The mRNA gene expression of the sarcoplasmatic reticulum calcium pump (SERCA2a), phospholamban (PLB), Na+/Ca+2 exchanger (NCX), calcium channel L-type (L-channel), ryanodine (RYR), calsequestrin (CQS) and HT receptor (TRα1 and TRβ1) of the myocardium was performed by PCR real-time. Results: FR reduced serum levels of T4 and TSH and TRα1 mRNA and increased the expression of PLB, NCX and L-channel. Exercise increased the TRβ1 receptor, L-channel and NCX. The association of exercise and FR reduced plasma T4 and TSH, TRβ1 mRNA increase, SERCA2a, NCX and PLB, and there was a significant correlation of TRβ1 with CQS and NXC. Conclusion: Chronic exercise and food restriction increased the mRNA of transient Ca2+ proteins; however, TH - receptor axis cannot participate in the transcription of mRNA of myocardial calcium transient proteins.
publishDate 2011
dc.date.none.fl_str_mv 2011-07-01
2022-04-29T08:48:45Z
2022-04-29T08:48:45Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv Arquivos Brasileiros de Cardiologia, v. 97, n. 1, 2011.
0066-782X
1678-4170
http://hdl.handle.net/11449/232028
2-s2.0-80052758480
identifier_str_mv Arquivos Brasileiros de Cardiologia, v. 97, n. 1, 2011.
0066-782X
1678-4170
2-s2.0-80052758480
url http://hdl.handle.net/11449/232028
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv Arquivos Brasileiros de Cardiologia
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.source.none.fl_str_mv Scopus
reponame:Repositório Institucional da UNESP
instname:Universidade Estadual Paulista (UNESP)
instacron:UNESP
instname_str Universidade Estadual Paulista (UNESP)
instacron_str UNESP
institution UNESP
reponame_str Repositório Institucional da UNESP
collection Repositório Institucional da UNESP
repository.name.fl_str_mv Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)
repository.mail.fl_str_mv
_version_ 1808128127889571840