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考察了上呼吸道病毒感染患者和正常人外周血白介素 Ⅱ (IL 2 )活性的变化情况。应用噻唑蓝比色法检测外周血IL 2的活性。结果显示 ,实验组 (4 9例 )IL 2的活性为 31.3± 0 .5 4 ,对照组 (4 2例 )的IL 2的活性为 6 4 .4± 0 .16。上呼吸道病毒感染患者外周血中的IL 2与正常人比较活性降低 ,存在显著性差异(P <0 .0 1)。
The changes of interleukin 2 (IL 2) activity in peripheral blood of patients with upper respiratory tract virus infection and normal subjects were investigated. The activity of IL 2 in peripheral blood was detected by thiazolyl blue colorimetry. The results showed that the activity of IL 2 in the experimental group (49 cases) was 31.3 ± 0.54 and that in the control group (42 cases) was 64.4 ± 0.16. The level of IL-2 in peripheral blood of patients with upper respiratory tract infection was significantly lower than that of normal people (P <0.01).