Jinwu Jiangu Capsule affects synovial cells in rheumatoid arthritis through PI3K/Akt/mTOR signaling pathway
Jinwu Jiangu Capsule is a medicinal formula from the Chinese Miao nationality. Leflunomide is recommended in organizational guidelines for the treatment of rheumatoid arthritis (RA). To investigate the effect of Jinwu Jiangu Capsule on PI3K/Akt/mTOR signal pathway in cells taken from RA patients New Zealand rabbits were administrated with Jinwu Jiangu Capsule suspension to prepare serum containing medicine. Lyophilized powder was prepared from this serum for cell treatment. The expression of LC3-II and PI3K, AKT, mTOR were detected by IF and western blot. Moreover, the levels of Atg1, Atg5, Atg14 were detected by RT-qPCR. The results showed that the expression of LC3-II was increased, and fluorescence spot of LC3-II was obvious in high-dose of Jinwu Jiangu Capsule group. Jinwu Jiangu Capsule decreased the level of PI3k, Akt, and mTOR protein, and increased the levels of Atg1, Atg5 and Atg14. Specially, the high-dose of Jinwu Jiangu Capsule had the most obvious inhibitory and up-regulation effects. However, there was no significant difference in the expression of Akt, mTOR and Atg1 in the medium-dose of Jinwu Jiangu Capsule group compared with the leflunomide group. In conclusion, Jinwu Jiangu Capsule regulates autophagy by inhibiting the PI3K/AKT/mTOR pathway in RA.
Copyright (c) 2021 Qiuyi Wang, Xueming Yao, Hui Xu, Daomin Lu, Ying Huang, Fang Tang, Lina Xiao, Wukai Ma
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