Cigarette Smoking does not Induce Plasma or Pulmonary Oxidative Stress after
Moderate-intensity Exercise |
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| Authors: | Shunsuke Taito Sayaka Domen Kiyokazu Sekikawa Norimichi Kamikawa Keisuke Oura Tatsushi Kimura Makoto Takahashi Hironobu Hamada |
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| Affiliation: | 1) Department of Clinical Support, Hiroshima University Hospital, Japan;2) Department of Physical Analysis and Therapeutic Sciences, Graduate School of Biomedical and Health Sciences, Hiroshima University, Japan;3) Department of Kindergarten Education, Yasuda Women’s College, Japan |
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| Abstract: | ![]()
[Purpose] Cigarette smoking increases oxidative stress, which is a risk factor forseveral diseases. Moreover, strenuous exercise has been shown to induce plasma andpulmonary oxidative stress in young cigarette smokers. However, no previous reports havedemonstrated whether plasma and pulmonary oxidative stress occur after moderate-intensityexercise. Therefore, the aim of this study was to clarify whether moderate-intensityexercise induces pulmonary and plasma oxidative stress in smokers. [Subjects] Ten youngmale smokers and 10 young male nonsmokers participated in this study. [Methods] Plasmahydroperoxide concentrations were measured at baseline and then immediately and 15 minafter moderate-intensity exercise. Hydrogen peroxide concentrations in exhaled breathcondensate were measured at baseline and after exercise. [Results] No significantinteractions were found between smokers and nonsmokers in terms of hydroperoxide orhydrogen peroxide concentrations following moderate-intensity exercise at any time point.[Conclusion] These findings suggested that moderate-intensity exercise did not induceplasma or pulmonary oxidative stress in young cigarette smokers.Key words: Oxidative stress, Cigarette smoker, Moderate-intensity exercise |
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