Abstract
Objective: To study the mechanism of lncRNA p21 inhibiting the growth and metastasis of human gastric cancer SGC7901/GES-1 cells by mediating the Wnt/β-catenin signaling pathway. Methods: Lentiviral overexpression of lncRNA-p21 in human gastric cancer SGC7901/GES-1 cell transfections was observed and analyzed for in vitro migration, invasion, cell morphology and proliferation. Besides. Wnt/β-catenin signaling pathway was tested for direct involvement in lncRNA-p21-mediated inhibition of gastric cancer cell growth and proliferation. Wnt/β-catenin signaling pathway was validated using Li-C1. Results: Gastric cancer SGC7901/GES-1 cells in the overexpression of lncRNA-p21 showed changes in stellate morphology, low invasion, or spindle-shaped morphology. LncRNA-p21 inhibited the growth and proliferation of gastric cancer SGC7901/GES-1 cells both in vivo and in vitro, and Wnt/β-catenin signaling pathway mediated the proliferation, invasion, and migration of lncRNA-p21 on gastric cancer SGC7901/GES-1 cells. Conclusion: LncRNA-p21 can inhibit the growth and metastasis of gastric cancer SGC7901/GES-1 cells in vitro and in vivo, and the inhibition of lncRNA p21 is mainly mediated by inhibiting the Wnt/β-catenin signaling pathway.
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