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頁籤選單縮合
題 名 | 運動壓力對自然殺手細胞數量及皮質醇之影響=The Effects of Exercise Stress on Natural Killer Cell Counts and Cortisol Concentration |
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作 者 | 張玉佩; 曾玉珍; 徐廣明; 徐台閣; | 書刊名 | 大專體育學刊 |
卷 期 | 8:2 民95.06 |
頁 次 | 頁219-229 |
分類號 | 528.9012 |
關鍵詞 | 運動壓力; 自然殺手細胞; 皮質醇; Exercise stress; Natural killer cell; Cortisol; |
語 文 | 中文(Chinese) |
英文摘要 | The high intensive training induces temporary immunosuppression, and exercise stress is also a factor. Natural killer cells are important components of the innate immune system, owing to their cytokine production and cytolytic activity against the target cells. To investigate the natural killer cell counts and the stress hormone cortisol concentration after high strength exercise, twelve subjects (□O2 max above 60mL/kg/min) participated in this study. Blood samples were collected from each of the subjects who had consecutively performed 3 days of high-intensity exercise (at 85% □O2 max )on the following schedule: 3 days before exercise, after the first day of exercise, after the second day of exercise, and after the third day of exercise, 24 hours after the exercise, and 72 hours after the exercise. The blood sample of NK cell counts and cortisol concentration were measured by Flow Cytometry and the enzyme- linked immunosorbent assay. The results of this study was that NK cell counts and cortisol concentration always increased after each running and recovered 24 hours later. That may be a postive correlation between the expression of NK cell counts and plasma cortisol concentration. In conclusion, the short-term high intensity exercise training was associated with significant NK cell counts inducted by cortisol of exercise stress. |
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