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논문 기본 정보

자료유형
학술저널
저자정보
Wang, Zhuo (Department of Pharmacology, HE's University) Wang, Dan (Department of Pharmacology, HE's University) Li, Yan (Experimental Teaching Center of Pharmacology, School of Life Science and Biopharmaceutics, Shenyang Pharmaceutical University) Zhang, Xiuli (School of Pharmaceutical Sciences, Binzhou Medical University)
저널정보
한국응용약물학회 Biomolecules & Therapeutics(구 응용약물학회지) Biomolecules & therapeutics 제22권 제6호
발행연도
2014.1
수록면
553 - 557 (5page)

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Verapamil is used in the treatment of hypertension, angina pectoris, and atrial fibrillation. Recently, several studies have demonstrated that verapamil increased the optic nerve head blood flow and improved the retrobulbar circulation. All these show that verapamil is potentially useful for ophthalmic treatment. Thus, the aim of this study is to investigate whether verapamil could protect human lens epithelial cell (HLEC) from oxidative stress induced by $H_2O_2$ and the cellular mechanism underlying this protective function. The viability of HLEC was determined by the MTT assay and apoptotic cell death was analyzed by Hoechst 33258 staining. Moreover, Caspase-3 expression was detected by immunocytochemistry and flow cytometry analysis. We also detected Caspase-3 mRNA expression by reverse-transcription-polymerase chain reaction and the GSH content in cell culture. The results showed that oxidative stress produced significant cell apoptotic death and it was reduced by previous treatment with the verapamil. Verapamil was effective in reducing HLEC death mainly through reducing the expression level of apoptosis-related proteins, caspase-3, and increasing glutathione content. Therefore, it was suggested that verapamil was effective in reducing HLEC apoptosis induced by $H_2O_2$.

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