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BPI在不同水平的内毒素下对诱导单核细胞活化的调节作用

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摘要 目的探讨杀菌/渗透增强蛋白(BPI)在内毒素血症中对脂多糖(LPS)体内转运以及对单核巨噬细胞活化过程的调节作用。方法本实验通过BPI单独及与LBP共同作用于单核巨噬细胞,检测细胞因子TNF-α的分泌情况。结果 BPI本身能引起单核巨噬细胞分泌少量TNF-α,但TNF-α分泌量与BPI浓度无关(F=0.590,P=0.584)。BPI在LBP存在情况下抑制作用更明显。2ng/ml BPI和LBP混合即可以完全抑制1ng/ml LPS作用。结论 BPI能抑制LPS作用,但与BPI作用浓度无明显关系;LBP对BPI抑制LPS起协同作用。
出处 《浙江实用医学》 2010年第4期259-261,332,共4页 Zhejiang Practical Medicine
基金 浙江省自然科学基金(Y2080596)
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参考文献6

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