Effect of an Exercise Program on Lymphocyte Proliferative Responses of COPD Patients

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art_FERNANDES_Effect_of_an_Exercise_Program_on_Lymphocyte_Proliferative_2018.PDF (773.86 KB)
Citações na Scopus
10
Tipo de produção
article
Data de publicação
2018
DOI
Scopus
Web of Science
PubMed
Título da Revista
ISSN da Revista
Título do Volume
Editora
SPRINGER
Autores
Citação
LUNG, v.196, n.3, p.271-276, 2018
Projetos de Pesquisa
Unidades Organizacionais
Fascículo
Resumo
Exercise training has been shown to reduce symptoms and exacerbations in COPD patients; however, the exercise effect on patients' immune response is poorly known. We thus verified if an exercise program (EP) impacted on proliferative T cell response of COPD patients. Fourteen non-O-2 dependent COPD patients on standard treatment were studied. EP consisted in 24 sessions of aerobic and muscular training. Peripheral blood mononuclear cells were stimulated with the mitogen phytohemagglutinin and antigens from Haemophilus influenzae and cytomegalovirus, and the lymphocyte proliferative response (LPR) was assessed through the expression of Ki67 before and after the EP. The Quality of life [COPD assessment test (CAT)], dyspnea [(modified Medical Research Council scale (mMRC)], and 6-min walk distance were also assessed. The EP program increased significantly the LPR of TCD4+ lymphocytes to phytohemagglutinin and cytomegalovirus and H. influenzae antigens, but with TCD8+ lymphocytes the increase was less marked. Consistent with this, a higher proportion of TCD8+ than TCD4+ cells did not express the costimulatory molecule CD28. The EP also resulted in improvement of the quality of life, dyspnea, and physical capacity. The improvement in TCD4+ cell function may represent an additional mechanism through which the EP results in less exacerbations and hospitalizations.
Palavras-chave
COPD, Haemophilus influenzae, CD4 lymphocyte, Exercise training, Lymphocyte responses, Proliferative capacity
URI
https://observatorio.fm.usp.br/handle/OPI/27063
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Coleções
Artigos e Materiais de Revistas Científicas - FM/MPT
Artigos e Materiais de Revistas Científicas - FM/MDT
Artigos e Materiais de Revistas Científicas - FM/MFT
Artigos e Materiais de Revistas Científicas - HC/ICHC
Artigos e Materiais de Revistas Científicas - HC/InCor
Artigos e Materiais de Revistas Científicas - LIM/09
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