Cardiomyocyte dysfunction during the chronic phase of Chagas disease

Detalhes bibliográficos
Autor(a) principal: Campos, Danilo Roman
Data de Publicação: 2013
Outros Autores: Sales Júnior, Policarpo Ademar, Duarte, Hugo Leonardo, Gomes, Eneas Ricardo, Guatimosim, Silvia, Ropert, Catherine, Gazzinelli, Ricardo Tostes, Cruz, Jader Santos
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da FIOCRUZ (ARCA)
Texto Completo: https://www.arca.fiocruz.br/handle/icict/59405
Resumo: Universidade Federal de Minas Gerais. Faculdade de Farmácia. Departamento de Bioquímica e Imunologia. Laboratório de Membranas Excitáveis e Biologia Cardiovascular. Belo Horizonte, MG, Brasil.
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spelling Campos, Danilo RomanSales Júnior, Policarpo AdemarDuarte, Hugo LeonardoGomes, Eneas RicardoGuatimosim, SilviaRopert, CatherineGazzinelli, Ricardo TostesCruz, Jader Santos2023-07-04T17:27:56Z2023-07-04T17:27:56Z2013CAMPOS, Danilo Roman et al. Cardiomyocyte dysfunction during the chronic phase of Chagas disease. Memórias do Instituto Oswaldo Cruz, Rio de Janeiro, v. 108, n. 2, p. 243-245, Apr. 2013.0074-0276https://www.arca.fiocruz.br/handle/icict/5940510.1590/0074-0276108022013019engMinistério da SaúdeCardiomyocyte dysfunction during the chronic phase of Chagas diseaseinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleUniversidade Federal de Minas Gerais. Faculdade de Farmácia. Departamento de Bioquímica e Imunologia. Laboratório de Membranas Excitáveis e Biologia Cardiovascular. Belo Horizonte, MG, Brasil.Fundação Oswaldo Cruz. Centro de Pesquisas René Rachou. Laboratório de Imunopatologia. Belo Horizonte, MG, Brasil.Universidade Federal de Minas Gerais. Faculdade de Farmácia. Departamento de Bioquímica e Imunologia. Laboratório de Membranas Excitáveis e Biologia Cardiovascular. Belo Horizonte, MG, Brasil.Universidade Federal de Minas Gerais. Instituto de Ciências Biológicas. Departamento de Fisiologia e Farmacologia. Laboratório de Sinalização Intracelular em Cardiomiócitos. Belo Horizonte, MG, Brasil.Universidade Federal de Minas Gerais. Instituto de Ciências Biológicas. Departamento de Fisiologia e Farmacologia. Laboratório de Sinalização Intracelular em Cardiomiócitos. Belo Horizonte, MG, Brasil.Fundação Oswaldo Cruz. Centro de Pesquisas René Rachou. Laboratório de Imunopatologia. Belo Horizonte, MG, Brasil.Fundação Oswaldo Cruz. Centro de Pesquisas René Rachou. Laboratório de Imunopatologia. Belo Horizonte, MG, Brasil.Universidade Federal de Minas Gerais. Faculdade de Farmácia. Departamento de Bioquímica e Imunologia. Laboratório de Membranas Excitáveis e Biologia Cardiovascular. Belo Horizonte, MG, Brasil.Chagas disease, which is caused by the parasite Trypanosoma cruzi, is an important cause of heart failure. We investigated modifications in the cellular electrophysiological and calcium-handling characteristics of an infected mouse heart during the chronic phase of the disease. The patch-clamp technique was used to record action potentials (APs) and L-type Ca2+ and transient outward K+ currents. [Ca2+](i) changes were determined using confocal microscopy. Infected ventricular cells showed prolonged APs, reduced transient outward K+ and L-type Ca2+ currents and reduced Ca2+ release from the sarcoplasmic reticulum. Thus, the chronic phase of Chagas disease is characterised by cardiomyocyte dysfunction, which could lead to heart failure.Chagas diseaseCalcium currentAction potentialPotassium currentIntracellular calciumTrypanosoma cruziinfo:eu-repo/semantics/openAccessreponame:Repositório Institucional da FIOCRUZ (ARCA)instname:Fundação Oswaldo Cruz (FIOCRUZ)instacron:FIOCRUZORIGINALindex.pdfindex.pdfapplication/pdf344468https://www.arca.fiocruz.br/bitstream/icict/59405/2/index.pdfb8ccb0b1c44d17eab5eac6ee59ef7504MD52LICENSElicense.txttext/plain1748https://www.arca.fiocruz.br/bitstream/icict/59405/1/license.txt8a4605be74aa9ea9d79846c1fba20a33MD51icict/594052023-07-06 22:22:58.961oai:www.arca.fiocruz.br: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Repositório InstitucionalPUBhttps://www.arca.fiocruz.br/oai/requestrepositorio.arca@fiocruz.bropendoar:21352023-07-07T01:22:58Repositório Institucional da FIOCRUZ (ARCA) - Fundação Oswaldo Cruz (FIOCRUZ)false
dc.title.en_US.fl_str_mv Cardiomyocyte dysfunction during the chronic phase of Chagas disease
title Cardiomyocyte dysfunction during the chronic phase of Chagas disease
spellingShingle Cardiomyocyte dysfunction during the chronic phase of Chagas disease
Campos, Danilo Roman
Chagas disease
Calcium current
Action potential
Potassium current
Intracellular calcium
Trypanosoma cruzi
title_short Cardiomyocyte dysfunction during the chronic phase of Chagas disease
title_full Cardiomyocyte dysfunction during the chronic phase of Chagas disease
title_fullStr Cardiomyocyte dysfunction during the chronic phase of Chagas disease
title_full_unstemmed Cardiomyocyte dysfunction during the chronic phase of Chagas disease
title_sort Cardiomyocyte dysfunction during the chronic phase of Chagas disease
author Campos, Danilo Roman
author_facet Campos, Danilo Roman
Sales Júnior, Policarpo Ademar
Duarte, Hugo Leonardo
Gomes, Eneas Ricardo
Guatimosim, Silvia
Ropert, Catherine
Gazzinelli, Ricardo Tostes
Cruz, Jader Santos
author_role author
author2 Sales Júnior, Policarpo Ademar
Duarte, Hugo Leonardo
Gomes, Eneas Ricardo
Guatimosim, Silvia
Ropert, Catherine
Gazzinelli, Ricardo Tostes
Cruz, Jader Santos
author2_role author
author
author
author
author
author
author
dc.contributor.author.fl_str_mv Campos, Danilo Roman
Sales Júnior, Policarpo Ademar
Duarte, Hugo Leonardo
Gomes, Eneas Ricardo
Guatimosim, Silvia
Ropert, Catherine
Gazzinelli, Ricardo Tostes
Cruz, Jader Santos
dc.subject.en.en_US.fl_str_mv Chagas disease
Calcium current
Action potential
Potassium current
Intracellular calcium
Trypanosoma cruzi
topic Chagas disease
Calcium current
Action potential
Potassium current
Intracellular calcium
Trypanosoma cruzi
description Universidade Federal de Minas Gerais. Faculdade de Farmácia. Departamento de Bioquímica e Imunologia. Laboratório de Membranas Excitáveis e Biologia Cardiovascular. Belo Horizonte, MG, Brasil.
publishDate 2013
dc.date.issued.fl_str_mv 2013
dc.date.accessioned.fl_str_mv 2023-07-04T17:27:56Z
dc.date.available.fl_str_mv 2023-07-04T17:27:56Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
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dc.identifier.citation.fl_str_mv CAMPOS, Danilo Roman et al. Cardiomyocyte dysfunction during the chronic phase of Chagas disease. Memórias do Instituto Oswaldo Cruz, Rio de Janeiro, v. 108, n. 2, p. 243-245, Apr. 2013.
dc.identifier.uri.fl_str_mv https://www.arca.fiocruz.br/handle/icict/59405
dc.identifier.issn.en_US.fl_str_mv 0074-0276
dc.identifier.doi.none.fl_str_mv 10.1590/0074-0276108022013019
identifier_str_mv CAMPOS, Danilo Roman et al. Cardiomyocyte dysfunction during the chronic phase of Chagas disease. Memórias do Instituto Oswaldo Cruz, Rio de Janeiro, v. 108, n. 2, p. 243-245, Apr. 2013.
0074-0276
10.1590/0074-0276108022013019
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dc.publisher.none.fl_str_mv Ministério da Saúde
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