Interval or continuous aerobic exercise performed 3 days a week increases endothelium-dependent relaxation in female rats fed with fructose

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MetadadosDescriçãoIdioma
Autor(es): dc.contributorUniversidade de São Paulo (USP)-
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorLaboratório de Farmacologia-
Autor(es): dc.creatorJoaquim, Anderson Gregorio-
Autor(es): dc.creatorOharomari, Leandro Kansuke-
Autor(es): dc.creatordo Vale, Gabriel Tavares-
Autor(es): dc.creatorTirapelli, Carlos Renato-
Autor(es): dc.creatorde Moraes, Camila-
Data de aceite: dc.date.accessioned2025-08-21T23:06:10Z-
Data de disponibilização: dc.date.available2025-08-21T23:06:10Z-
Data de envio: dc.date.issued2023-07-29-
Data de envio: dc.date.issued2023-07-29-
Data de envio: dc.date.issued2021-12-31-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1590/s1980-65742022000552-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/247906-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/247906-
Descrição: dc.descriptionAim: We investigated the effects of continuous or interval aerobic exercise training on vascular reactivity of female rats fed with fructose. Methods: Female Wistar rats (8-wk old) were divided into: sedentary (SD), continuous training (CTR), and interval training (ITR). Moderate intensity training protocols consisted of running 3 days/week for 7 weeks. CTR ran 40 min at 30%-40% of the maximal speed (MS) and TRI consisted of 7 sets of 1 min at 70% of MS followed by 3 min at 35% of MS. Animals were fed with standard chow and fructose (10%) in drinking water. Concentration-response curves to acetylcholine and phenylephrine, and oxidative stress biomarkers, were determined in the aorta. Body weight gain, visceral fat, and plasma triglycerides and glucose were also evaluated. Results: Endothelium-dependent relaxation was significantly increased by both exercise regimens (CTR: Emax = 85 ± 6% and ITR: Emax = 84 ± 1%) compared to sedentary rats (SD: Emax = 62 ± 5%). The contractile maximal response was not different but phenylephrine potency was increased in CTR (pEC50: 8.41 ± 0.19) and reduced in ITR (pEC50: 7.06 ± 0.11) compared to SD (pEC50: 7.77 ± 0.08). In addition, the generation of superoxide was lower in trained groups as compared with sedentary (about -28% in CTR and -22% in ITR). TBARS and nitrate/nitrite levels were not modified. Compared to the SD group, ITR gained 39% less body weight and CTR has 29% less visceral fat. Glucose and triglycerides were not modified. Conclusion: CTR and ITR, carried out 3 days/week, were efficient to improve endothelium-dependent relaxation and reduce superoxide generation in the aorta from female rats fed with fructose.-
Descrição: dc.descriptionUniversidade de São Paulo Escola de Educação Física e Esporte de Ribeirão Preto, SP-
Descrição: dc.descriptionUniversidade Estadual Paulista Júlio de Mesquita Filho Escola de Ciências Farmacêuticas de Araraquara Departamento de Alimentos e Nutrição, SP-
Descrição: dc.descriptionEscola de Enfermagem de Ribeirão Preto Departamento de Enfermagem Psiquiátrica e Ciências Humanas Laboratório de Farmacologia, SP-
Descrição: dc.descriptionUniversidade Estadual Paulista Júlio de Mesquita Filho Escola de Ciências Farmacêuticas de Araraquara Departamento de Alimentos e Nutrição, SP-
Idioma: dc.languageen-
Relação: dc.relationMotriz. Revista de Educacao Fisica-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectendothelium-
Palavras-chave: dc.subjectfructose-
Palavras-chave: dc.subjectinterval exercise-
Palavras-chave: dc.subjectoxidative stress-
Palavras-chave: dc.subjectvascular reactivity-
Título: dc.titleInterval or continuous aerobic exercise performed 3 days a week increases endothelium-dependent relaxation in female rats fed with fructose-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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