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  • Title: Long non-coding RNA SUMO1P3 promotes hepatocellular carcinoma progression through activating Wnt/β-catenin signalling pathway by targeting miR-320a.
    Author: Wu S, Chen S, Lin N, Yang J.
    Journal: J Cell Mol Med; 2020 Mar; 24(5):3108-3116. PubMed ID: 31970876.
    Abstract:
    In this study, we aimed to investigate expression profile of long non-coding RNA (lncRNA) SUMO1P3, and its role and molecular mechanisms in the progression of hepatocellular carcinoma (HCC). The expression of SUMO1P3 in HCC tissues and cells was detected using quantitative real-time polymerase chain reaction (qRT-PCR). The chi-squared test was used to estimate the relationship between SUMO1P3 levels and clinical characteristics of HCC cases. Cellular biological behaviours were investigated using MTT, transwell assays and wound healing assay. Bioinformatics and dual-luciferase reporter assays were performed to identify potential target of SUMO1P3 in HCC. Additionally, protein analysis was carried out using Western blot. The expression of SUMO1P3 was significantly higher in HCC tissues and cells than in non-cancerous specimens and normal cells (P < .01). Moreover, its up-regulation was closely correlated with lymph node metastasis (P = .027) and TNM stage (P = .019). SUMO1P3 knockdown inhibited the proliferation, migration and invasion of HCC cells. MiR-320a was a potential target of SUMO1P3, and its expression was negatively regulated by SUMO1P3 in HCC SUMO1P3 could activate Wnt/β-catenin pathway, which was mediated by miR-320a. Elevated expression of SUMO1P3 predicts malignant progression among HCC patients. SUMO1P3 enhances Wnt/β-catenin pathway through sponging miR-320a, thus contributing to aggressive progression of HCC.
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