体外冲击波对大鼠膝骨关节炎白细胞介素-1β及肿瘤坏死因子-α表达的影响

被引:41
作者
刘洪柏
张鸣生
区丽明
朱洪翔
机构
[1] 广东省人民医院(广东省医学科学院)康复科
关键词
体外冲击波; 骨关节炎; 白细胞介素-1β; 肿瘤坏死因子-α;
D O I
暂无
中图分类号
R684.3 [关节炎];
学科分类号
100220 [骨科学];
摘要
目的:观察体外冲击波(ESW)对大鼠膝骨关节炎(OA)中白细胞介素-1β(IL-1β)和肿瘤坏死因子-α(TNF-α)的影响,探讨ESW治疗膝骨关节炎的可能机制。方法:将30只SD大鼠随机分为治疗组、模型组、对照组,每组各10只。治疗组和模型组采用单侧后肢跟腱切除法建立膝OA模型,对照组不做任何处理。治疗组造模后立即给予ESW治疗1次,能流密度0.1mJ/mm2,冲击次数1000次。各组大鼠分别于治疗后4周处死,取膝OA关节液和关节软骨,分别采用酶联免疫吸附试验(ELISA)和免疫组化技术法,检测各组膝关节中IL-1β和TNF-α的水平,并比较各组之间的差异。结果:采用ELISA法行关节液IL-1β和TNF-α含量测定,治疗组和模型组较对照组明显增高(P<0.01),治疗结束后治疗组较模型组下降(P<0.05)。免疫组化法关节软骨IL-1β和TNF-α测定,治疗组和模型组阳性率较对照组明显增高(P<0.01),治疗结束后治疗组的阳性率较模型组下降(P<0.05)。结论:膝骨关节炎中IL-1β和TNF-α水平上升,而ESW能下调膝OA大鼠IL-1β、TNF-α的表达,提示可通过降低关节软骨的炎症因子水平,对膝骨关节炎起防治作用。
引用
收藏
页码:208 / 211+217 +217
页数:5
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