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We performed this study to evaluate the chronic effect of training on neutrophil functions in humans. Twenty-six university students (14 males and 12 females) with a mean age of 19.1±0.8 years were divided into the athlete group and the control group based on answers given to a written questionnaire. The capacity of circulating neutrophils to ingest bacteria (phagocytosis) and to produce superoxide (nitroblue tetrazolium reduction) was measured under resting conditions in the absence of training activities. In addition, we measured hematological and serum biochemical parameters. The present analyses revealed that the frequency of subjective symptoms concerning susceptibility to infections (sum of males and females) was higher in the athlete group than in the control group (p<0.05). In the investigation of males, hemoglobin and serum protein levels of the athlete group were lower than that of the control group (p<0.01, p<0.05, respectively). Although total and differential leukocyte counts, and phagocytic activity of neutrophils were not significantly different between the groups, superoxide productivity of neutrophils in the male athlete group was higher than that in the control group (p<0.05). Since significant differences were observed in hemoglobin and serum protein levels in the male athletes, the training is considered to have been intense. An increase was noted in the neutrophil superoxide production along with these changes, but no significant difference was observed in the phagocytic activity. Therefore, there is the possibility of superoxide overproduction, which may lead to tissue damage.
Neutrophils ; Training ; lower case pea ; athlete ; Superoxides

9.Effects of endotoxin and verapamil on superoxide production by rat alveolar macrophage.

Choon Taek LEE ; Keun Youl KIM

Tuberculosis and Respiratory Diseases 1993;40(3):223-235

10.The change of superoxide dismutase activity in mouse skin by ultraviolet radiation.

Suk Wha KIM

Journal of the Korean Society of Plastic and Reconstructive Surgeons 1993;20(2):227-234

1.The Effects of Superoxide Radical on Rat Detrusor Contractility.

2.The effect of superoxide anion production by PMN on pneumocyte injury in patients with bronchial asthma.

3.Superoxide Dismutase Activity in Down Syndrom.

4.Human monocyte-derived a putative factor which enhances neutrophil viability and superoxide production.

5.A study on superoxide anion production by peripheral blood neutrophil in patients with diabetes mellitus.

6.The effects of superoxide dismutase on ischemic revascularized muscle in rats.

7.The effects of aminophylline on the superoxide anion generation of neutrophils from established human sepsis caused by acute pneumonia.

8.Chronic Effect of Training on Neutrophil Functions in Humans

9.Effects of endotoxin and verapamil on superoxide production by rat alveolar macrophage.

10.The change of superoxide dismutase activity in mouse skin by ultraviolet radiation.

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