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Effect of exercise training on modulating the TH17/TREG imbalance in individuals with severe COPD: A randomized controlled trial

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Autor(es):
Ito, Juliana Tiyaki ; Alves, Luan Henrique Vasconcelos ; Oliveira, Luana de Mendonca ; Xavier, Rafaella Fagundes ; Carvalho-Pinto, Regina Maria ; Tiberio, Iolanda de Fatima Lopes Calvo ; Sato, Maria Notomi ; Carvalho, Celso R. F. ; Lopes, Fernanda Degobbi Tenorio Quirino dos Santos
Número total de Autores: 9
Tipo de documento: Artigo Científico
Fonte: PULMONOLOGY; v. 31, n. 1, p. 15-pg., 2025-12-31.
Resumo

BackgroundChronic obstructive pulmonary disease (COPD) induces an imbalance in T helper (Th) 17/regulatory T (Treg) cells that contributes to of the dysregulation of inflammation. Exercise training can modulate the immune response in healthy subjects.ObjectiveWe aimed to evaluate the effects of exercise training on Th17/Treg responses and the differentiation of Treg phenotypes in individuals with COPD.MethodsThis randomized controlled trial included 50 individuals with severe or very severe COPD who were allocated to the Exercise or Control groups. The Exercise group underwent eight weeks of aerobic and muscle strength training, whereas the Control group received usual care. The primary outcome was the change in the phenotypic characteristics of Tregs and Th17 profile differentiation in systemic inflammation.ResultsExercise training increased the frequency of total and activated Tregs and decreased the frequency of Th17 cells in between-group comparisons. Additionally, Th17/Treg responses were moderately correlated with improvements in the six-minute walking test, muscle strength of the upper and lower limbs, and daily life physical activity levels.ConclusionExercise training improved functional exercise capacity, muscle strength, and physical fitness, which was associated with a decrease in the Th17 inflammatory response and an increase in Treg cell phenotypes immunosuppressive activity. (AU)

Processo FAPESP: 18/17788-3 - Reabilitação pulmonar: o efeito de novas metodologias e tecnologias centradas em pacientes com doenças pulmonares crônicas
Beneficiário:Celso Ricardo Fernandes de Carvalho
Modalidade de apoio: Auxílio à Pesquisa - Temático
Processo FAPESP: 19/25374-7 - Efeito do exercício físico na atenuação do desequilíbrio das respostas Th17/Treg em pacientes com Doença Pulmonar Obstrutiva Crônica (DPOC)
Beneficiário:Fernanda Degobbi Tenorio Quirino dos Santos Lopes
Modalidade de apoio: Auxílio à Pesquisa - Regular