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Oxidative stress and skeletal muscle dysfunction are present in healthy smokers

Overview of attention for article published in Brazilian Journal of Medical and Biological Research, January 2016
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Title
Oxidative stress and skeletal muscle dysfunction are present in healthy smokers
Published in
Brazilian Journal of Medical and Biological Research, January 2016
DOI 10.1590/1414-431x20165512
Pubmed ID
Authors

C.D.C. Neves, A.C.R. Lacerda, V.K.S. Lage, L.P. Lima, R. Tossige-Gomes, S.F. Fonseca, E. Rocha-Vieira, M.M. Teixeira, V.A. Mendonça

Abstract

Chronic exposure to cigarette smoke seems to be related to an increase of pro-inflammatory cytokines, oxidative stress and changes in muscular and physical performances of healthy smokers. However, these parameters have not yet been evaluated simultaneously in previous studies. The participants of this study were healthy males divided into two groups: smokers (n=20) and non-smokers (n=20). Inflammation was evaluated by measuring plasma levels of the cytokines IL-10, IL-6 e TNF-α, and of the soluble receptors sTNFR1 and sTNFR2. Oxidative stress was evaluated by determination of thiobarbituric acid reactive substances (TBARS) plasma levels, total antioxidant capacity of plasma and erythrocytes activity of the antioxidant enzymes superoxide dismutase (SOD) and catalase. Muscular performance was evaluated by measuring the peak torque of knee flexors and extensors, and by determining the total work of the knee extensors. Physical performance was assessed by measuring the peak oxygen uptake (VO2 peak), the maximum heart rate (HRmax) and the walking distance in the shuttle walking test. Smokers showed an increase in the levels of the sTNFR1 and TBARS and a decrease in the total antioxidant capacity of plasma, in the catalase activity and in the total work (P<0.05). IL-6, IL-10, sTNFR2, SOD, peak torque, VO2 peak, HRmax and walking distance were similar between groups. Smokers presented increased oxidative stress and skeletal muscle dysfunction, demonstrating that the changes in molecular and muscular parameters occur simultaneously in healthy smokers.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 67 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Peru 1 1%
Unknown 66 99%

Demographic breakdown

Readers by professional status Count As %
Student > Master 11 16%
Student > Bachelor 10 15%
Researcher 9 13%
Student > Ph. D. Student 7 10%
Student > Postgraduate 4 6%
Other 12 18%
Unknown 14 21%
Readers by discipline Count As %
Medicine and Dentistry 17 25%
Nursing and Health Professions 9 13%
Biochemistry, Genetics and Molecular Biology 7 10%
Sports and Recreations 5 7%
Agricultural and Biological Sciences 5 7%
Other 9 13%
Unknown 15 22%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 2. 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 20 September 2022.
All research outputs
#16,047,334
of 25,374,647 outputs
Outputs from Brazilian Journal of Medical and Biological Research
#681
of 1,254 outputs
Outputs of similar age
#218,261
of 399,679 outputs
Outputs of similar age from Brazilian Journal of Medical and Biological Research
#19
of 59 outputs
Altmetric has tracked 25,374,647 research outputs across all sources so far. This one is in the 34th percentile – i.e., 34% of other outputs scored the same or lower than it.
So far Altmetric has tracked 1,254 research outputs from this source. They receive a mean Attention Score of 4.9. This one is in the 43rd percentile – i.e., 43% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 399,679 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 42nd percentile – i.e., 42% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 59 others from the same source and published within six weeks on either side of this one. This one has gotten more attention than average, scoring higher than 59% of its contemporaries.