摘要
目的:从抗炎及关节保护方面探讨风湿宁(FSN)胶囊治疗类风湿性关节炎(RA)的药物作用机制。方法:将120只雄性新西兰白兔随机分为正常组、模型组、甲氨蝶呤组、风湿宁低、中、高剂量组,每组20只。除正常组外,其余各组建立胶原诱导性关节炎(CIA)加风寒湿刺激的风寒湿痹动物模型,造模成功以后,风湿宁低、中、高剂量组分别按剂量0.33,0.66,1.32 g·kg~(-1)给予风湿宁胶囊水溶液,甲氨蝶呤组给予1.0 mg·kg~(-1)的甲氨蝶呤片水溶液,正常组灌胃生理盐水,各组按剂量4 m L·kg~(-1)灌胃,每日1次,连续7 d。观察风湿宁胶囊对RA白兔风寒湿痹模型的一般情况、关节肿胀程度,实时荧光定量聚合酶链反应(Real-time PCR)检测各组关节滑膜组织炎症因子白细胞介素(IL)~(-1)β,IL-6,肿瘤坏死因子(TNF)-α信使核糖核酸(mRNA)的表达量及核转录因子-κB(NF-κB)受体激活剂配体(RANKL)mRNA的表达量。结果:风湿宁胶囊可明显改善RA兔生存状态,减轻RA兔后肢膝关节的肿胀,降低膝关节表面温度和关节炎积分,能够显著降低RA兔滑膜组织IL~(-1)β,IL-6,TNF-α,RANKL mRNA的表达。结论:风湿宁胶囊具有抑制关节滑膜组织中炎症因子和RANKL的表达的作用,可有效减轻RA的炎症反应和骨质破坏,从而对RA取得疗效。
Objective: To discuss the anti-inflammatory and joint protection effect of Fengshining( FSN)capsule in treatment of rheumatoid arthritis( RA) and its action mechanism. Method: The 120 male New Zealand white rabbits were randomly divided into normal control group,model group,Methotrexate group,low-dose,middle-dose and high-dose FSN groups,with 20 in each group. The collagen-induced arthritis( CIA) and wind-cold dampness rheumatoid arthritis model were established in the groups,except for the normal control group. Low-dose,middle-dose and high-dose FSN groups were given aqueous solution of 0. 33,0. 66,1. 32 g·kg~(-1) FSN capsule respectively,the methotrexate group was given aqueous solution of 1. 0 mg·kg~(-1) methotrexate tablets,while the normal control group and the model group were given saline solution. Each group was intragastrically administrated with 4 m L·kg~(-1) of corresponding medicines,once a day for 7 days. The effect of FSN capsule on general conditions,joint swelling degree of the animal model were observed,and the expressions of inflammatory factor interleukin( IL)~(-1)β,IL-6,tumor necrosis factor( TNF)-α messenger RNA( mRNA) and receptor activator of nuclear factor kappa B ligand( RANKL) mRNA in RA synovium tissues were detected with Real-time PCR method. Result: FSN capsule could improve the living state of RA rabbits significantly,reduce the swelling and arthritis score of stifle,and obviously decrease the expressions of IL~(-1)β,IL-6,TNF-α and RANKL mRNA in RA synovial tissues. Conclusion: FSN capsule has the effect in inhibiting the expression of inflammation factor and RANKL in synovial tissues,and could effectively alleviate inflammation and bone damage,so as to show a curative effect on RA.
引文
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