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首页> 中文期刊> 《中国药理学通报》 >土家族药物血筒抗佐剂性关节炎药效作用研究

土家族药物血筒抗佐剂性关节炎药效作用研究

         
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摘要

目的对土家族药物血筒抗佐剂性关节炎( AIA)作用进行初步评价研究，为其进一步系统和深入研究奠定基础。方法♂ SD大鼠30只，随机分为正常组、模型组、血筒醇提物组。 CFA尾根部免疫建立AIA模型，血筒醇提物(1．0 g ·kg-1)口服给药治疗30 d。 AIA造模后进行后足肿胀测量、关节炎指数评分及体质量称量评价。治疗结束后进行后足CT扫描和组织病理学检查，同时检测血清中炎症因子含量。结果与模型组比较，血筒组大鼠AIA发病率仅55%(P=0．035)，关节肿胀度降低1．8~2．3倍(P<0．01)、体质量重10%~20%(P<0．05)；CT和组织病理学检查显示，血筒明显抑制关节滑膜增生，减少关节翳形成，抑制关节软骨破坏和骨侵蚀( P<0．01)；血筒组大鼠血清TNF-α、IL-1β和IL-6含量明显降低( P<0．05)。结论该研究明确了血筒治疗风湿关节疾病的药效作用，也显示了其进一步研究开发的前景。%Aim Kadsuraheteroclita ( Roxb ) Craib ( Schizandraceae) is a medicinal plant termed Xuetong in Chinese Tujia ethnomedicine. Xuetong possesses therapeutic effects of, in the terms of Chinese medical theories, reinforcing vital energy, promoting blood cir-culation, expelling wind-evil, and removing damp-e-vil, and has been long used for the prevention and treatment of rheumatic and arthritic diseases, especial-ly in the southern China. The HPLC analysis has iden-tified that the ethanol extract of Xuetong contains large-ly biologically active lignans and triterpenoids. Our previous studies have shown that KHS exhibits very fa-vorable safety profile and potent anti-inflammatory and analgesic activities. In the present study, we investiga-ted anti-arthritic effects and the possible mechanisms of Xuetongon adjuvant-induced arthritis ( AIA ) in rats. Methods AIA was established in male Sprague-Daw-ley ( SD ) rats as described previously, and animals were daily treated by gavage with Xuetong ethanol ex-tract ( 1. 0 g · kg-1 ) or vehicle ( 0. 3% CMC-Na ) throughout the 30-day experiment. The incidence and severity of arthritis were evaluated using clinical pa-rameters. On day 30, bone destruction of the arthritic joints was assessed by computed tomography( CT) and histopathological analyses. The serum levels of pro-in-flammatory cytokines TNF-α, IL-1β, and IL-6 were measured by ELISA. Results Treatment with 1. 0 g/kg Xuetong significantly inhibited the onset and pro-gression of AIA. The vehicle-treated rats all developed severe arthritis, while the incidence of AIA in the Xue-tong-treated rats was as low as 55%( P=0. 035 ) . The Xuetong -treated rats exhibited 1. 8 to 2. 3 fold reduc-tion of paw swelling, and gained 10 to 20% more body weight than the vehicle-treated AIA rats throughout the experiment. CT and histopathological examinations re-vealed that Xuetong markedly protected AIA rats from cartilage and bone destruction of joints. Moreover, the serum levels of TNF-α, IL-1β, and IL-6 were signifi-cantly decreased in the Xuetong-treated rats than the vehicle-treated AIA rats. Conclusions These data strongly support the clinical use of Xuetong for rheu-matic and arthritic diseases, and suggest that Xuetong is a valuable candidate for further investigation to be a new anti-arthritic drug with favorable safety profile.

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