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用同位素掺入法和MTT比色法测定石棉纤维诱导的AM上清液中TNF和IL-6的活性。结果显示,石棉纤维可使AM分泌TNF、IL-6显著增加,其活性明显高于TiO2对照组(P<0.01),TNF活性最高均值为1198U/ml,IL-6活性最高均值为1511U/ml。
The activity of TNF and IL-6 in asbestos fiber-induced AM supernatant was determined by isotope incorporation method and MTT colorimetric method. The results showed that asbestos fiber could significantly increase the secretion of TNF and IL-6 by AM, and its activity was significantly higher than that of TiO2 control group (P <0.01). The highest average TNF activity was 1198U / ml and the highest IL-6 activity was 1511U / Ml.