Abstract

This study aimed to investigate the effect and mechanism of TRIM14 downregulation on the apoptosis, migration, and invasion of cancerous pancreatic PANC-1 cells. PANC-1 cells cultured in vitrowere classified to a control (normal culture), negative (neutral siRNA transfection), and siTRIM14 group (TRIM14 siRNA transfection). RT-PCR was adopted to test TRIM14 mRNA expression. Cellular proliferation was determined by CCK-8, and transwell chamber invasion and apoptosis by flow cytometry. AKT signaling pathway related proteins CyclinD1, MMP-2, Bcl-2, and AKT phosphorylation, and TRIMI14 protein expression, were determined by western blotting. Compared with the control group, TRIMI14 expression, cellular proliferation ability, infiltration, transfer AKT phosphorylation, and TRIMI14, CyclinD1, MMP-2, and Bcl-2 protein expression were greatly reduced in siTRIM14 cells, and the apoptotic ability was significantly enhanced (P < 0.05). However, no striking differences were detected between the negative and control groups (P > 0.05). Downregulating TRIM14 expression can inhibit the proliferation, invasion, and migration of PANC-1 cells, and promote apoptosis. The mechanism may be associated with the inhibition of AKT signaling pathway activation.

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