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2021, 09, v.44 2200-2204
基于TLR4/MAPKs/NF-κB信号通路探讨蠲痹汤对寒湿痹阻证类风湿关节炎模型大鼠的治疗作用及机制研究
基金项目(Foundation): 山东省中医药科技发展计划项目(2019-0574)
邮箱(Email):
DOI: 10.13863/j.issn1001-4454.2021.09.035
摘要:

目的:观察蠲痹汤对寒湿痹阻证模型类风湿关节炎(RA)模型大鼠的保护作用,并探讨其可能的作用机制。方法:将75只SPF级雄性SD大鼠,随机分为5组(n=15),正常对照组、模型组及蠲痹汤低(10 g/kg)、中(20 g/kg)、高(30 g/kg)剂量组。经左后足跖皮内注射完全弗氏佐剂(0.1 mL/只)持续刺激14 d,以建立佐剂性类风湿关节炎大鼠病理模型,后开始给予相应剂量的蠲痹汤,连续28 d。采用Elisa试剂盒检测血清TNF-α、IL-1β、IL-6、IL-10水平,免疫组化分析滑膜组织中COMP蛋白表达,Western blot检测各组大鼠COMP、TLR4、NF-κBP65、p-NF-κBP65、P38、p-P38蛋白的表达。结果:蠲痹汤能显著改善RA模型大鼠的精神状态、饮食、饮水量和滑膜组织的病理学改变,降低足肿胀率;调节血清中IL-1β、IL-6、TNF-α、IL-10水平;免疫组化和Western blot试验结果表明蠲痹汤能显著调节COMP、TLR4、NF-κBP65、p-NF-κBP65、P38、p-P38蛋白的表达。结论:蠲痹汤能改善类风湿关节炎,其机制与调节炎症和Toll样受体4/丝裂原活化蛋白激酶/核转录因子κB信号通路密切相关。

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参考文献

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基本信息:

DOI:10.13863/j.issn1001-4454.2021.09.035

中图分类号:R285.5

引用信息:

[1]娄飞,周莹,蒋翠蕾等.基于TLR4/MAPKs/NF-κB信号通路探讨蠲痹汤对寒湿痹阻证类风湿关节炎模型大鼠的治疗作用及机制研究[J].中药材,2021,44(09):2200-2204.DOI:10.13863/j.issn1001-4454.2021.09.035.

基金信息:

山东省中医药科技发展计划项目(2019-0574)

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