Abstract
Long non-coding RNAs (lncRNAs) have been discovered through many studies to play a crucial role in tumor progression. LncRNA PCAT5 has been identified as a human cancer-related gene in diverse cancers. However, the specific role of PCAT5 in esophageal squamous cell carcinoma (ESCC) still needs further study. The study aimed to test the PCAT5 expression and find its biological function in ESCC. Functional experiments, including EdU, transwell and TUNEL, were done in the chosen ESCC cell lines under silenced PCAT5. Luciferase reporter and Western blot experiments were implemented to ensure the possible regulatory mechanism involved in ESCC. PCAT5 presented higher expression in ESCC cells in comparison to normal cells. The silence of PCAT5 restrained ESCC cell abilities of proliferation, migration and invasion. On the contrary, it accelerated ESCC cell apoptosis. The results of rescue experiments showed that PCAT5 regulated ESCC cell proliferative, migrated, invasive and apoptotic abilities via sponging miR-4295 to up-regulate PHF20.
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