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Synergistic Anti-tumor Effect of KLF4 and Curcumin in Human Gastric Carcinoma Cell Line

  • Ji, Jun (Department of Central Laboratory, Dalian Municipal Central Hospital) ;
  • Wang, He-Shuang (Department of Central Laboratory, Dalian Municipal Central Hospital) ;
  • Gao, Yan-Yan (Department of Central Laboratory, Dalian Municipal Central Hospital) ;
  • Sang, Li-Min (Department of Central Laboratory, Dalian Municipal Central Hospital) ;
  • Zhang, Li (Department of Central Laboratory, Dalian Municipal Central Hospital)
  • Published : 2014.10.11

Abstract

Kr$\ddot{u}$ppel-like factor 4 is a transcription factor which plays an important role in development and progression of various carcinomas. Curcumin characterized by excellent anti-cancer properties is regarded as a serviceable natural compound used in carcinoma therapy. This study aimed at exploring the impact of KLF4 overexpression in cooperation with curcumin on the proliferation, apoptosis and invasion of human gastric carcinoma BGC-823 cells. Flow cytometry analysis, CCK-8 assays, transwell assays and Western blot results showed that KLF4 overexpression combined with curcumin had significant anti-proliferation, pro-apoptosis and anti-invasion effects on BGC-823 cells. We also found that KLF4 had synergistic effects with curcumin, better promoting apoptosis and inhibiting proliferation and invasion of gastric carcinona cells. These results indicate that KLF4 could be used as a potential therapeutic target; curcumin could act as an auxiliary and provide a promising therapeutic strategy in stomach cancer.

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