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China Pharmacy ; (12): 2597-2602, 2020.
Article Dans Chinois | WPRIM | ID: wpr-829594

Résumé

OBJECTIVE:To study the effects of gin seng root extract on autophagy ,proliferation and cytokine of splenic lymphocyte of mice ,and to study its mechanism. METHODS :The splenic lymphocyte of mice were divided into blank control group,positive control group (concanavalin A ,5 μg/mL),different concentration of ginseng root extract groups (32,125,500 μg/mL,by lyophilized powder ). After 48 h of culture with the corresponding medicine ,acridine orange staining method was used to detect autophagy of splenic lymphocyte ;CCK-8 assay was used to detect the cell proliferation ;ELISA assay was used to determine the levels of IL- 4,IL-6 and TNF-α in cell culture;Western blotting method was used to detect the expression of LC 3B and Beclin- 1,as well as the phosphorylation of AMPK ,AKT and mTOR. RESULTS :Compared with blank control group ,32, 125,500 μg/mL ginseng root extract could increase the number of acidic autophagosomes in splenic lymphocytes of mice(P<0.05 or P<0.01);125,500 μg/mL Ginseng root extract could significantly enhance the survival rate of splenic lymphocytes,the levels of IL- 4,IL-6 and TNF-α and the transformation of LC3BⅠ to LC 3BⅡ,significantly increased the protein expression of Beclin- 1, quinacrine cationic liposomes for treating non-small cell @163.com lung cancer[J]. J Drug Target ,2015,23(3):232-243. the phosphorylation of AMPK protein ,and significantly reduced the phosphorylation level of AKT and mTOR proteins ,with statistical significance (P<0.05 or P<0.01). CONCLUSIONS :Ginseng root extract can induce autophagy of mice splenic lymphocytes,activate the activity of splenic lymphocytes ,regulate the secretion of cytokine by activating AMPK and inhibiting the activation of AKT which can inhibit the activity of mTOR ,so as to exert immune enhancement effect.

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