A Mechanism of Isoorientin-Induced Apoptosis and Migration Inhibition in Gastric Cancer AGS Cells
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Published:2022-12-12
Issue:12
Volume:15
Page:1541
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ISSN:1424-8247
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Container-title:Pharmaceuticals
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language:en
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Short-container-title:Pharmaceuticals
Author:
Zhang Tong,Xiu Yun-Hong,Xue Hui,Li Yan-Nan,Cao Jing-Long,Hou Wen-Shuang,Liu Jian,Cui Yu-He,Xu Ting,Wang Ying,Jin Cheng-Hao
Abstract
Isoorientin (ISO) is a flavonoid compound containing a luteolin structure, which can induce autophagy in some tumor cells. This study investigated the impact of ISO in gastric cancer AGS cells, and performed an experimental analysis on the main signaling pathways and transduction pathways it regulates. CCK–8 assay results showed that ISO reduced the survival rate of gastric cancer AGS cells, but the toxicity to normal cells was minimal. Hoechst 33342/PI double staining assay results showed that ISO induced apoptosis in gastric cancer AGS cells. Further analysis by flow cytometry and Western blot showed that ISO induced apoptosis via a mitochondria-dependent pathway. In addition, the level of reactive oxygen species (ROS) in gastric cancer AGS cells also increased with the extension of the ISO treatment time. However, cell apoptosis was inhibited by preconditioning cells with N–acetylcysteine (NAC). Moreover, ISO arrested the cell cycle at the G2/M phase by increasing intracellular ROS levels. Cell migration assay results showed that ISO inhibited cell migration by inhibiting the expression of p–AKT, p–GSK–3β, and β–catenin and was also related to the accumulation of ROS. These results suggest that ISO-induced cell apoptosis by ROS–mediated MAPK/STAT3/NF–κB signaling pathways inhibited cell migration by regulating the AKT/GSK–3β/β–catenin signaling pathway in gastric cancer AGS cells.
Funder
National Key Research and Development Project of China
Program of HeiLongJiang BaYi Agricultural University
Heilongjiang Touyan Innovation Team Program
Central Government Supports Local College Reform, and Development Fund Talent Training Projects
Subject
Drug Discovery,Pharmaceutical Science,Molecular Medicine
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