• 1. Renmin Hospital of Wuhan University, Wuhan 430060, P. R. China;
  • 2. Key Laboratory of Hubei Province for Digestive System Disease, Wuhan 430060, P. R. China;
  • 3. Department of General Surgery, Renmin Hospital of Guangxi Zhuang Autonomous Region, Nanning 530016, P. R. China;
XU Sheng, Email: 651325828@qq.com
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Objective To investigate the effect of Huaier extract on the proliferation, invasion, and ferroptosis pathways of colorectal cancer (CRC) cells. Methods The CRC cell line SW620 was cultured in vitro, and the cells were treated with Huaier extract solution at different concentrations (0, 5, 10, 20, and 50 mg/mL). The cell counting kit 8 was used to detect the proliferation of CRC cells at different concentrations to scree the test dose of the Huaier extract. The Transwell and the scratch assays were used to detect the cell invasion and migration. The reactive oxygen species (ROS), glutathione (GSH), and malondialdehyde (MDA) kits were used to detect the cellular oxidative stress level. The Western blot was used to detect the ferroptosis-related proteins levels, including glutathione peroxidase 4 (GPX4), nuclear factor E2-related factor 2 (NRF2), and high mobility group box-1 (HMGB1). Results In this study, it could statistically inhibit the proliferation of CRC cells after 48 h interfering with Huaier extract at 10, 20 mg/mL concentrations, so we chose 10, 20 mg/mL concentrations as the test dose, 0 mg/L as the control dose. Huaier extract effectively inhibited the migration and invasion abilities of SW620 cells in a dose-dependent manner (Transwell: F=480.0, P<0.001; scratch assay: F=24.3, P=0.001). The level of ROS in the SW620 cells increased with the increase of concentration in a dose-dependent manner (F=806.3, P<0.001). the level of GSH in the SW620 cells decreased with the increase of concentration in a dose-dependent manner (F=35.0, P=0.005), but the level of MDA was highest at 10 mg/mL (F=22.9, P=0.002) . Further the Huaier extract could effectively reduce the expressions of GPX4 (F=74.2, P<0.001), NRF2 (F=32.8, P=0.001), and HMGB1 (F=55.1, P<0.001) in a dose-dependent manner. Conclusion From the results of this study, Huaier extract at 10 and 20 mg/mL concentrations can inhibit the proliferation and invasion of CRC SW620 cells by inducing ferroptosis.

Citation: JIA Yifan, DENG Wenhong, QIU Zhendong, XU Sheng. Huaier extract dose-dependently promotes ferroptosis pathway and inhibits biological behavior in colorectal cancer cells SW620. CHINESE JOURNAL OF BASES AND CLINICS IN GENERAL SURGERY, 2023, 30(2): 185-191. doi: 10.7507/1007-9424.202208064 Copy

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