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Jeunghoon Heo 1 Article
Quercetin induces cell death by caspase-dependent and p38 MAPK pathway in EGFR mutant lung cancer cells
Eun Jin Lim, Jeunghoon Heo, Young-Ho Kim
Kosin Med J. 2016;31(1):30-40.   Published online February 4, 2016
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Abstract Objectives

The aim of this study was whether quercetin induces cell death by caspase and MAPK signaling pathway in EGFR mutant lung cancer cells


PC-9 cells, EGFR mutant lung cancer cells, were treated various times and concentrations of quercetin and harvested and measured using MTT assay, DNA fragmentation, Western blotting, and FACS analysis.


Treatment with quercetin in PC-9 cells resulted in inhibition of cell growth through apoptosis. Quercetin-induced apoptosis was associated with caspase-dependent manner. Quercetin also significantly increased levels of phosphor-p38 and decreased levels of phosphor-ERK, indicating that quercetin induces p38 MAPK signaling pathway in PC-9 cells. Quecetin treatment also generated the release of cytochrome c in PC-9 cells; however, pretreatment with rotenone or z-LEHD-fmk, significantly attenuated quercetin-induced apoptosis.


Our data indicate that quercetin exhibits EGFR mutant lung cancer effects through apoptosis by caspase dependent and mitochondrial pathway.


Citations to this article as recorded by  
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    Ho-Sung Lee, In-Hee Lee, Kyungrae Kang, Sang-In Park, Tae-Wook Kwon, Dae-Yeon Lee, Gabriel A. Agbor
    Evidence-Based Complementary and Alternative Medicine.2021; 2021: 1.     CrossRef

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