独活寄生汤对脂多糖诱导的大鼠软骨细胞炎症模型IL-1β、TNF-α表达的影响

被引:27
作者
陈后煌 [1 ]
邵翔 [1 ]
叶蕻芝 [1 ,2 ]
李西海 [1 ]
机构
[1] 福建中医药大学中西医结合研究院
[2] 福建省中西医结合老年性疾病重点实验室
关键词
骨关节炎; 软骨细胞; 脂多糖; 白细胞介素1β; 肿瘤坏死因子α;
D O I
暂无
中图分类号
R285.5 [中药实验药理]; R-332 [医用实验动物学];
学科分类号
100402 [劳动卫生与环境卫生学]; 100806 [中药药理学];
摘要
目的观察独活寄生汤水提物对体外培养的炎症模型大鼠软骨细胞IL-1β和TNF-α的影响。方法采用4周龄SD大鼠分离培养体外软骨细胞,Ⅱ型胶原免疫组织化学染色法对第二代软骨细胞进行鉴定。脂多糖诱导软骨细胞,建立软骨细胞的炎症模型,确定最佳干预浓度和时间;模型复制成功后,随机分为空白对照组(脂多糖浓度为0 ng/ml)、模型组(脂多糖浓度为10 ng/ml)和独活寄生汤组,分别干预软骨细胞,elisa法检测各组细胞上清液中白细胞介素1β(IL-1β)和肿瘤坏死因子α(TNF-α)的表达变化。结果造模实验中,各组干预8 h后,脂多糖浓度为10 ng/ml、100 ng/ml、1 000 ng/ml、2 000 ng/ml时,细胞上清液中IL-1β和TNF-α表达高于空白对照组。脂多糖浓度为10 ng/ml时,IL-1β和TNF-α表达高于100 ng/ml、1 000 ng/ml、2 000 ng/ml,差异具有统计学意义(P<0.01);10 ng/ml脂多糖分别干预软骨细胞4 h,8 h,12 h和24 h,细胞上清液中IL-1β(t=-30.869,t=-8.422,t=-13.999,t=-19.532,P<0.05)和TNF-α(t=-9.441,t=-14.053,t=-4.238,t=-4.124,P<0.05)的表达均高于空白对照组,且干预8 h时细胞上清液中IL-1β(F=21.48,P<0.01)和TNF-α(F=104.15,P<0.01)的表达高于4 h,12 h和24 h。独活寄生汤组应用独活寄生汤干预8 h造模细胞后,独活寄生汤浓度为100μg/ml、200μg/ml、300μg/ml时,细胞上清液中IL-1β和TNF-α的表达均低于空白对照组,差异具有统计学意义(F=323.95,F=2789.80,P<0.01),浓度300μg/ml时IL-1β和TNF-α表达低于100μg/ml和200μg/ml时,差异具有统计学意义(F=34.46,F=4.373,P<0.01)。结论脂多糖浓度为10 ng/ml时,可成功建立体外软骨细胞炎症模型,独活寄生汤浓度为300μg/ml时可有效抑制软骨细胞炎症模型IL-1β、TNF-α的表达。
引用
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页码:77 / 84
页数:8
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