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对多抗甲素促小鼠巨噬细胞（Ｍφ）分泌细胞因子及ＩＬ－２受体（ＩＬ－２Ｒ）表达初步探讨的结果表明，经淀粉刺激后的Ｍφ加入ＰＡ后，分泌ＩＬ－１、ＴＮＦ的功能显著增强，呈良好的剂量依赖特征。ＩＬ－２吸收试验提示，ＰＡ能促进Ｍφ表达ＩＬ－２Ｒ。在ＰＡ浓度为０～５μｇ／ｍｌ范围内，上清液ＩＬ－２活性明显降低。同时ＰＡ对Ｍφ与ＩＬ－２的反应性有明显增强作用。
The results of preliminary study on the expression of cytokines and IL-2R secreted by macrophage (Mφ) in mice induced by polyactin A showed that the secretion of IL-1, TNF function was significantly enhanced, showing a good dose-dependent characteristics. IL-2 absorption test suggested that PA can promote Mφ expression of IL-2R. In the PA concentration range of 0 ~ 5μg / ml, the supernatant IL-2 activity was significantly reduced. PA at the same time on the Mφ and IL-2 reactivity was significantly enhanced.