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  • Title: [Effect of Xinfeng Capsule on Beclin1/PI3K-AKT-mTOR of Adjuvant Arthritis Rats].
    Author: Wang YL, Liu J, Wan L, Ruan LP, Ye WF.
    Journal: Zhongguo Zhong Xi Yi Jie He Za Zhi; 2017 Apr; 37(4):464-469. PubMed ID: 30650507.
    Abstract:
    Objective To observe expression levels of autophagy related 5,7,12 mRNA (Atg5, 7,12), microtubule-associated protein 1 light chain 3 (LC3-II), Beclin1, phosphatidylinositol 3-kinase (PI3K) , protein kinase B (AKT) , mammalian target of rapamycin (mTOR) , IL-1 β, TNF-α, IL-4, and IL- 10 in adjuvant arthritis (AA) rats, and effects of Xinfeng Capsule (XFC) on them. Methods Totally 48 male SD rats were divided into 4 groups, i.e., the control group, the model group, the Western medicine (WM) group (leflunomide, 5. 0 mg/kg) , the Chinese medicine (CM) group (Xinfeng Capsule, 3.0 g/kg) , 12 in each group. Thirty days after medication body weight (BW) , toe swelling degree (E%) , arthritis in- dex (AI) , and pathological changes of ankle joint and ultrastructural changes were observed. mRNA ex- pressions of Atg5, 7, 12, protein expressions of LC3-L , Beclin1 , PI3K, AKT, mTOR, serum contents of IL-1 β, TNF-α, IL-4, and IL-10 were detected. Results Compared with the normal group, E%, Al, IL-1 β and TNF-α increased; BW, levels of IL-4 and IL-10, mRNA expressions of Atg5 and Atg12, protein ex- pressions of LC3-ll and Beclin1 decreased (P <0.01, P <0.05), protein expressions of PI3K, AKT, mTOR increased (P<0.01) in the model group. Compared with the model group, E%, Al, mRNA expres- sions of IL-1β , TNF-α-, and Atg12, protein expressions of PI3K, AKT, and mTOR decreased (P <0.01, P<0.05), IL-4, IL-10, protein expressions of LC3-II and Beclinl increased (P <0.01, P <0.05) in the two medicated groups. Atg5 mRNA expression decreased (P <0.01) , Atg7 mRNA expression increased (P < 0.05) in the WM group. Compared with the WM group,BW, IL-4, mRNA expressions of Atg5 and Atg12, protein expressions of PI3K and mTOR increased in the CM group (P <0.01 , P <0. 05). Conclusions The level of autophagy in AA rats was decreased, leading to excessive proliferation of synovial cells, swollen joints, elevated proinflammatory factors, decreased inflammatory factors, resulting in inflamma- tory reactions of joints. XFC could improve Al, toe swelling degree, and expressions of synovium autoph- agy related genes and proteins.
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