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Aerobic exercise inhibits acute lung injury: from mouse to human evidence Exercise reduced lung injury markers in mouse and in cells

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WOS000428135000005.pdf (933.5Kb)
Date
2018
Author
Rigonato-Oliveira, Nicole Cristine
MacKenzie, BreAnne
Lacerda Bachi, Andre Luis
Oliveira-Junior, Manoel Carneiro
Santos-Dias, Alana
Rodrigues Brandao-Rangel, Maysa Alves [UNIFESP]
Delle, Humberto
Costa-Guimaraes, Tamara
Damaceno-Rodrigues, Nilsa Regina
Dulley, Larissa Hilario
Benetti, Marcela Anhesini
Malfitano, Christiane
de Angelis, Katia [UNIFESP]
Albertini, Regiane [UNIFESP]
Ligeiro Oliveira, Ana Paula
Abbasi, Asghar
Northoff, Hinnak
Vieira, Rodolfo Paula [UNIFESP]
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Abstract
Acute respiratory distress syndrome (ARDS) is defined as hypoxemic respiratory failure with intense pulmonary inflammation, involving hyperactivation of endothelial cells and neutrophils. Given the anti-inflammatory effects of aerobic exercise (AE), this study investigated whether AE performed daily for 5 weeks would inhibit extra-pulmonary LPS-induced ARDS. C57Bl/6 mice were distributed into Control, Exercise, LPS and Exercise+ LPS groups. AE was performed on a treadmill for 5x/week for four weeks before LPS administration. 24hours after the final AE physical test, animals received 100ug of LPS intra-peritoneally. In addition, whole blood cell culture, neutrophils and human endothelial cells were pre-incubated with IL-10, an anti-inflammatory cytokine induced by exercise. AE reduced total protein levels (p<0.01) and neutrophil accumulation in bronchoalveolar lavage (BAL) (p<0.01) and lung parenchyma (p<0.01). AE reduced BAL inflammatory cytokines IL-1 beta, IL-6 and GM-CSF (p<0.001), CXCL1/KC, IL-17, TNF-alpha and IGF-1 (p<0.01). Systemically, AE reduced IL-1 beta, IL-6 and IFN-gamma (p<0.001), CXCL1/KC (p<0.01) and TNF-alpha (p<0.05). AE increased IL-10 levels in serum (p<0.001) and BAL (p<0.001). Furthermore, AE increased superoxide dismutase SOD (p<0.01) and decreased superoxide anion accumulation in the lungs (p<0.01). Lastly, pre-incubation with IL-10 significantly reduced LPS-induced activation of whole blood cells, neutrophils and HUVECs, as observed by reduced production of IL-1 beta, IL-6, IL-8 and TNF-alpha. Our data suggest that AE inhibited LPS-induced lung inflammation by attenuating inflammatory cytokines and oxidative stress markers in mice and human cell culture via enhanced IL-10 production.
URI
https://repositorio.unifesp.br/handle/11600/53814
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