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Protective effects of aerobic exercise on acute lung injury induced by LPS in mice

Overview of attention for article published in Critical Care, October 2012
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Title
Protective effects of aerobic exercise on acute lung injury induced by LPS in mice
Published in
Critical Care, October 2012
DOI 10.1186/cc11807
Pubmed ID
Authors

Cintia Tokio Reis Gonçalves, Carlos Gustavo Reis Gonçalves, Francine Maria de Almeida, Fernanda Degobi Tenório Quirino dos Santos Lopes, Ana Carolina Cardoso dos Santos Durão, Fabiana Almeida dos Santos, Luiz Fernando Ferraz da Silva, Tania Marcourakis, Hugo C Castro-Faria-Neto, Rodolfo de Paula Vieira, Marisa Dolhnikoff

Abstract

The regular practice of physical exercise has been associated with beneficial effects on various pulmonary conditions. We investigated the mechanisms involved in the protective effect of exercise in a model of lipopolysaccharide (LPS)-induced acute lung injury (ALI). Mice were divided into four groups: Control (CTR), Exercise (Exe), LPS, and Exercise + LPS (Exe + LPS). Exercised mice were trained using low intensity daily exercise for five weeks. LPS and Exe + LPS mice received 200 µg of LPS intratracheally 48 hours after the last physical test. We measured exhaled nitric oxide (eNO); respiratory mechanics; neutrophil density in lung tissue; protein leakage; bronchoalveolar lavage fluid (BALF) cell counts; cytokine levels in BALF, plasma and lung tissue; antioxidant activity in lung tissue; and tissue expression of glucocorticoid receptors (Gre). LPS instillation resulted in increased eNO, neutrophils in BALF and tissue, pulmonary resistance and elastance, protein leakage, TNF-alpha in lung tissue, plasma levels of IL-6 and IL-10, and IL-1beta, IL-6 and KC levels in BALF compared to CTR (P ≤0.02). Aerobic exercise resulted in decreases in eNO levels, neutrophil density and TNF-alpha expression in lung tissue, pulmonary resistance and elastance, and increased the levels of IL-6, IL-10, superoxide dismutase (SOD-2) and Gre in lung tissue and IL-1beta in BALF compared to the LPS group (P ≤0.04). Aerobic exercise plays important roles in protecting the lungs from the inflammatory effects of LPS-induced ALI. The effects of exercise are mainly mediated by the expression of anti-inflammatory cytokines and antioxidants, suggesting that exercise can modulate the inflammatory-anti-inflammatory and the oxidative-antioxidative balance in the early phase of ALI.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 62 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Brazil 1 2%
Unknown 61 98%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 8 13%
Student > Bachelor 8 13%
Researcher 6 10%
Student > Postgraduate 6 10%
Student > Master 6 10%
Other 10 16%
Unknown 18 29%
Readers by discipline Count As %
Medicine and Dentistry 17 27%
Biochemistry, Genetics and Molecular Biology 8 13%
Agricultural and Biological Sciences 5 8%
Pharmacology, Toxicology and Pharmaceutical Science 3 5%
Sports and Recreations 3 5%
Other 6 10%
Unknown 20 32%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 19 October 2012.
All research outputs
#17,286,379
of 25,374,647 outputs
Outputs from Critical Care
#5,469
of 6,554 outputs
Outputs of similar age
#127,183
of 193,741 outputs
Outputs of similar age from Critical Care
#91
of 121 outputs
Altmetric has tracked 25,374,647 research outputs across all sources so far. This one is in the 21st percentile – i.e., 21% of other outputs scored the same or lower than it.
So far Altmetric has tracked 6,554 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 20.8. This one is in the 10th percentile – i.e., 10% of its peers scored the same or lower than it.
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We're also able to compare this research output to 121 others from the same source and published within six weeks on either side of this one. This one is in the 15th percentile – i.e., 15% of its contemporaries scored the same or lower than it.