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Abstract Title:

[Protective effect of paeoniflorin against PM2.5-induced damage in BEAS-2B cells].

Abstract Source:

Nan Fang Yi Ke Da Xue Xue Bao. 2018 Feb 20 ;38(2):168-173. PMID: 29502055

Abstract Author(s):

Xiao-Fang Wu, Li-Yun Wang, Jian-Hua Yi, Jian Lei, Yu-Hong Ao, Jian-Jun Li, Jing Han

Article Affiliation:

Xiao-Fang Wu

Abstract:

OBJECTIVE: To investigate the protective effects of paeoniflorin against PM2.5-induced damage in BEAS-2B cells and explore the possible mechanism.

METHODS: With a factorial design, this study was performed to observe the protective effects of different doses of paeoniflorin against PM2.5-induced BEAS-2B cell growth inhibition and the effects of paeoniflorin on the contents of malondialdehyde (MDA) and intracellular reactive oxygen species (ROS) in the cell cultures.

RESULTS: Exposure to increased PM2.5 concentrations caused significant decrease in the cell survival rate (P<0.05) with a clear dose-response relationship (r=-0.759, P<0.05). Treatment of the cells with paeoniflorin significantly attenuated PM2.5-induced inhibition of BEAS-2B cell survival (P<0.05), but the effect of paeoniflorin was not dose-dependent (P>0.05). PM2.5 exposure also significantly increased the contents of MDA and intracellular ROS (P<0.05), and paeoniflorin obviously antagonized these effects of PM2.5.

CONCLUSION: Paeoniflorin can protect BEAS-2B cells from PM2.5-induced growth inhibition, and the mechanism might be related to the anti-oxidant effects of paeoniflorin.

Study Type : In Vitro Study

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