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Abstract Title:

Licochalcone A inhibiting proliferation of bladder cancer T24 cells by inducing reactive oxygen species production.

Abstract Source:

Biomed Mater Eng. 2014 ;24(1):1019-25. PMID: 24211992

Abstract Author(s):

Jiangtao Jiang, Xuan Yuan, Hong Zhao, Xinyan Yan, Xiling Sun, Qiusheng Zheng

Article Affiliation:

Jiangtao Jiang

Abstract:

The aim of this study was to determine the relationship between proliferation inhibition and the production of reactive oxygen species (ROS) induced by Licochalcone A (LCA). Cell viability was evaluated using sulforhodamine B (SRB) assay. Intracellular ROS level was assessed using the 2, 7-dichlorofluorescein diacetate (H2DCFDA) probe and dihydroethidium (DHE) probe assay. The results indicate that LCA inhibits human bladder cancer T24 proliferation in a concentration-dependent manner, with an IC50 value of approximately 55μM. The LCA-induced ROS production is inhibited by the co-treatment of LCA and free radical scavenger N-acetyl-cysteine (NAC), on the contrary, the proliferation rate and ROS production increase when treated by the combination of LCA and L-buthionine-(S,R)-sulfoximine (BSO). The ratio of reduced glutathione (GSH) to oxidized glutathione (GSSG) decreases in a concentration-dependent manner. The results suggest that LCA inhibits proliferation by increasing intracellular ROS levels resulted in an oxidative stress status in T24 cells.

Study Type : In Vitro Study

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Sayer Ji
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