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Abstract Title:

-Coumaric Acid Protects Human Lens Epithelial Cells against Oxidative Stress-Induced Apoptosis by MAPK Signaling.

Abstract Source:

Oxid Med Cell Longev. 2018 ;2018:8549052. Epub 2018 Apr 10. PMID: 29849919

Abstract Author(s):

Jiao Peng, Ting-Ting Zheng, Yue Liang, Li-Fang Duan, Yao-Dong Zhang, Li-Jun Wang, Guang-Ming He, Hai-Tao Xiao

Article Affiliation:

Jiao Peng

Abstract:

To protect against oxidative stress-induced apoptosis in lens epithelial cells is a potential strategy in preventing cataract formation. The present study aimed at studying the protective effect and underlying mechanisms of-coumaric acid (-CA) on hydrogen peroxide- (HO-) induced apoptosis in human lens epithelial (HLE) cells (SRA 01-04). Cells were pretreated with-CA at a concentration of 3, 10, and 30 M before the treatment of HO(275 M). Results showed that pretreatment with-CA significantly protected against HO-induced cell death in a dose-dependent manner, as well as downregulating the expressions of both cleaved caspase-3 and cleaved caspase-9 in HLE cells. Moreover,-CA also greatly suppressed HO-induced intracellular ROS production and mitochondrial membrane potential loss and elevated the activities of T-SOD, CAT, and GSH-Px of HO-treated cells. As well,study showed that-CA also suppressed HO-induced phosphorylation of p-38, ERK, and JNK in HLE cells. These findings demonstrate that-CA suppresses HO-induced HLE cell apoptosis through modulating MAPK signaling pathways and suggest that-CA has a potential therapeutic role in the prevention of cataract.

Study Type : In Vitro Study

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