Treinamento intervalado atenua os distúrbios metabólicos em modelo de ratos diabéticos do tipo 1

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Objective: This study investigated the effect of interval training on blood biochemistry and immune parameters in type 1 diabetic rats. Materials and methods: Male Wistar rats were divided into four groups: sedentary (SE, n = 15), interval training (IT, n = 17), diabetic sedentary (DSE, n = 17), diabetic interval training (DIT, n = 17). Diabetes was induced by i.v. injection of streptozotocin (60 mg/kg). Swimming Interval Training consisted of 30-s exercise with 30-s rest, for 30 minutes, during 6 weeks, four times a week, with an overload of 15% of body mass. Plasma glucose, lactate, triacylglycerol and total cholesterol concentrations, phagocytic capacity, cationic vesicle content, and superoxide anion and hydrogen peroxide production by blood neutrophils and peritoneal macrophages were evaluated. Proliferation of mesenteric lymphocytes was also estimated. Results: Interval training resulted in attenuation of the resting hyperglycemic state and decreased blood lipids in the DIT group. Diabetes increased the functionality of blood neutrophils and peritoneal macrophages in the DSE group. Interval training increased all functionality parameters of peritoneal macrophages in the IT group. Interval training also led to a twofold increase in the proliferation of mesenteric lymphocytes after 6 weeks of exercise in the DIT group. Conclusion: Low-volume high-intensity physical exercise attenuates hyperglycemia and dislipidemia induced by type 1 diabetes, and induces changes in the functionality of innate and acquired immunity. © ABE&M todos os direitos reservados.




Rocha, R. E. R., Coelho, I., Pequito, D. C. T., Yamagushi, A., Borghetti, G., Yamazaki, R. K., … Fernandes, L. C. (2013). Treinamento intervalado atenua os distúrbios metabólicos em modelo de ratos diabéticos do tipo 1. Arquivos Brasileiros de Endocrinologia e Metabologia, 57(8), 594–602.

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