• Dan Qiao, Jingchun Jin, Jian Xing, Yingying Zhang, Nailing Jia, Xiangshan Ren, Zhenhua Lin, Ningyi Jin, Liyan Chen, and Yingshi Piao.
• Key Laboratory of the State Ethnic Affairs Commission, Key Laboratory of Science and Technology Department (Jilin Province), Cancer Research Center, Yanbian University Medical College, Yanji 133002, P. R. China.
• Am. J. Chin. Med. 2021 Jan 1; 49 (2): 525-541.

AbstractGastric cancer is a common malignancy worldwide and is associated with high morbidity and mortality rates. However, very little is known about the underlying mechanism in human gastric cancer cells. Baicalein (BAI), a widely used Chinese herbal medicine, has shown anticancer effects on many types of human cancer cell lines. Here, we investigated the molecular mechanisms underlying BAI action on gastric cancer cell proliferation and migration. The results showed that BAI can expressively inhibit cell proliferation, colony-forming ability and migration ability in a dose-dependent manner, while in the meantime inducing cell apoptosis. Additionally, we found that BAI can suppress FAK and the phosphorylation of PI3K, AKT and mTOR in a dose-dependent manner. Furthermore, BAI significantly inhibited tumor growth in a xenograft model. Also, BAI can inhibit the proliferation and migration of gastric cancer cells and the expression of the pathway by downregulating the expression of FAK. In short, we demonstrated that BAI inhibited gastric cancer cell proliferation and migration through FAK interaction via downregulation in AKT/mTOR signaling, which signifies that BAI may be a latent therapeutic factor for the treatment of gastric cancer patients and that FAK might be a hopeful therapy target for the disease.

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