Isolated obesity resistance condition or associated with aerobic exercise training does not promote cardiac impairment

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Autor(es): dc.contributorUniversidade Federal do Espírito Santo (UFES)-
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.creatorCordeiro, J. P.-
Autor(es): dc.creatorda Silva, V. L.-
Autor(es): dc.creatorCampos, D. H.-
Autor(es): dc.creatorCicogna, A. C.-
Autor(es): dc.creatorLeopoldo, A. S.-
Autor(es): dc.creatorLima-Leopoldo, A. P.-
Data de aceite: dc.date.accessioned2025-08-21T17:24:55Z-
Data de disponibilização: dc.date.available2025-08-21T17:24:55Z-
Data de envio: dc.date.issued2022-04-29-
Data de envio: dc.date.issued2022-04-29-
Data de envio: dc.date.issued2020-12-31-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1590/1414-431X2020E10669-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/229247-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/229247-
Descrição: dc.descriptionMechanisms involved in cardiac function and calcium (Ca2+) handling in obese-resistant (OR) rats are still poorly determined. We tested the hypothesis that unsaturated high-fat diet (HFD) promotes myocardial dysfunction in OR rats, which it is related to Ca2+ handling. In addition, we questioned whether exercise training (ET) becomes a therapeutic strategy. Male Wistar rats (n=80) were randomized to standard or HFD diets for 20 weeks. The rats were redistributed for the absence or presence of ET and OR: control (C; n=12), control + ET (CET; n=14), obese-resistant (OR; n=9), and obese-resistant + ET (ORET; n=10). Trained rats were subjected to aerobic training protocol with progressive intensity (55–70% of the maximum running speed) and duration (15 to 60 min/day) for 12 weeks. Nutritional, metabolic, and cardiovascular parameters were determined. Cardiac function and Ca2+ handling tests were performed in isolated left ventricle (LV) papillary muscle. OR rats showed cardiac atrophy with reduced collagen levels, but there was myocardial dysfunction. ET was efficient in improving most parameters of body composition. However, the mechanical properties and Ca2+ handling from isolated papillary muscle were similar among groups. Aerobic ET does not promote morphological and cardiac functional adaptation under the condition of OR.-
Descrição: dc.descriptionPrograma de Pós-Graduac¸ão em Educac¸ão Física Centro de Educac¸ão Física e Desportos Universidade Federal do Espírito Santo-
Descrição: dc.descriptionDepartamento de Clínica Médica Faculdade de Medicina de Botucatu Universidade Estadual Paulista-
Descrição: dc.descriptionDepartamento de Clínica Médica Faculdade de Medicina de Botucatu Universidade Estadual Paulista-
Idioma: dc.languageen-
Relação: dc.relationBrazilian Journal of Medical and Biological Research-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectCalcium handling-
Palavras-chave: dc.subjectExercise training-
Palavras-chave: dc.subjectHigh-fat diet-
Palavras-chave: dc.subjectMyocardial function-
Palavras-chave: dc.subjectObesity-
Palavras-chave: dc.subjectResistance to obesity-
Título: dc.titleIsolated obesity resistance condition or associated with aerobic exercise training does not promote cardiac impairment-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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