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Effect of Aster tataricus on production of inflammatory mediators in LPS stimulated rat astrocytoma cell line (C6) and THP-1 cells.

Zhang, Hong-Tao; Tian, Miao; He, Qiao-Wei; Chi, Nan; Xiu, Chun-Ming; Wang, Yun-Bo.
Saudi Pharm J; 25(3): 370-375, 2017 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-28344491
Neuroinflammation is the commonest cause of neurodegenerative diseases such as Alzheimer's disease. Present investigation evaluates the inhibitory effect of ethanolic root extract of Aster tataricus (AS) on inflammatory mediators production in lipopolysaccharide (LPS) stimulated C6 cells. C6 cells were treated with AS (20 and 40 mg/kg) and nimesulide (NSL, 1.5 µg/ml) for 1 day. Thereafter various parameters such as production of ROS, release of nitrite, MDA, glutathione level and NF-κB translocation were estimated in C6 cell lines. Effect of AS was estimated on the expressions of tumor necrosis factor α (TNF-α) of human monocytic leukemia cell line (THP-1). It was observed that AS (20 and 40 mg/ml) treated group shows significant (p < 0.01) decrease in production of ROS, Nitrite release and MDA level in LPS activated C6 cell lines compared to negative control group. Moreover, treatment with it decreases glutathione level and inhibits the translocation of NF-κB in LPS activated C6 cell lines compared to negative control group. There were significant (p < 0.01) decreases in expression of TNF-α in AS treated group compared to negative control group in THP-1 cell lines. Present investigation concludes the anti neuroinflammatory effect of ethanolic extract of AS root by decreasing oxidative stress and attenuates the cytokine.
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