PHF14 Promotes Cell Proliferation and Migration through the AKT and ERK1/2 Pathways in Gastric Cancer Cells.

PHF14 is a new member belonging to PHD finger proteins. PHF14 is involved in multiple biologic processes including Dandy-Walker syndrome, mesenchyme growth, lung fibrosis, renal fibrosis, persistent pulmonary hypertension, and tumor development. This study aims to explore whether PHF14 plays an important role in gastric cancer. Here, PHF14 is indicated as a tumor promoter. The expression of PHF14 enhances no matter in clinical samples or in gastric cancer cells. High expression of PHF14 impairs survival of patients. Attenuation of PHF14 inhibits cell proliferation in gastric cancer cells. PHF14 downregulation inhibits the expression of cell cycle-related proteins, CDK6 and cyclin D1. Furthermore, silencing of PHF14 reduces the level of phosphorylated AKT as well as phosphorylated ERK1/2. Finally, downregulation of PHF14 in gastric cancer cells inhibits colony formation in vitro and tumorigenesis in vivo. These results indicate that PHF14 promotes tumor development in gastric cancer, so PHF14 thereby acts as a potential target for gastric cancer therapy.

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