藁本内酯抑制星形胶质细胞中NF-κB依赖的细胞因子的表达

被引:12
作者
陈永红 [1 ]
赵林霞 [2 ]
范冰冰 [3 ]
张志军 [3 ]
机构
[1] 南通市第六人民医院麻醉科
[2] 南通大学航海医学研究所
[3] 南通大学医学院
关键词
藁本内酯; 星形胶质细胞; 细胞因子; 核转录因子-κB;
D O I
暂无
中图分类号
R402 [];
学科分类号
摘要
目的观察藁本内酯(LIG)对脂多糖(LPS)诱导的星形胶质细胞中促炎性细胞因子表达的抑制作用。方法将原代培养成功的星形胶质细胞随机分成四组,对照组(C组)、LPS组、LIG组、BAY组。C组未加入任何药物刺激细胞;LPS组加入浓度为1μg/ml的LPS刺激细胞6h;LIG组用浓度为50μM的LIG预孵育细胞30min后,再加入LPS刺激6h;BAY组用浓度为20μM的核转录因子(NF)-κB抑制剂BAY11-7082预孵育细胞30min后,再加入LPS刺激6h。采用Real-time PCR方法检测促炎性细胞因子白细胞介素(IL)-1β、肿瘤细胞坏死因子(TNF)-α、IL-6 mRNA的表达;采用Western blot方法检测pNF-κB p65的表达。结果与LPS组比较,C、LIG和BAY组IL-1β、TNF-α、IL-6mRNA的表达明显减少(P<0.05)。与LPS组比较,C、LIG组pNF-κB p65蛋白的表达明显降低(P<0.05)。结论藁本内酯可通过抑制原代培养的星形胶质细胞中NF-κB的活化来抑制LPS诱导的促炎症相关的细胞因子的表达。
引用
收藏
页码:1121 / 1124
页数:4
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