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  • Title: LncRNA NR2F2-AS1 promotes tumourigenesis through modulating BMI1 expression by targeting miR-320b in non-small cell lung cancer.
    Author: Zhang S, Zhang X, Sun Q, Zhuang C, Li G, Sun L, Wang H.
    Journal: J Cell Mol Med; 2019 Mar; 23(3):2001-2011. PubMed ID: 30592135.
    Abstract:
    Recently, long noncoding RNAs (lncRNAs) are attracting wide attention in the field of cancer research because of its important role in cancer diagnosis and prognosis. But studies on the biological effects and relevant mechanisms of lncRNAs in non-small cell lung cancer (NSCLC) remain few and need to be enriched. Our study discussed the expression and biological effects of LncRNA NR2F2-AS1, and further explored its possible molecular mechanisms. As a result, elevated expression of NR2F2-AS1 was detected in NSCLC tissues and cells and was remarkably associated with the tumor, node, metastasis (TNM) stage and the status of lymphatic metastasis of patients. Down-regulated NR2F2-AS1 contributed to the promotion of cell apoptosis and the inhibition of cell proliferation and invasion in A549 and SPC-A-1 cells in vivo and vitro. Through bioinformatics analysis, NR2F2-AS1 functions as a ceRNA directly binding to miR-320b, BMI1 was a direct target of miR-320b. Combined with the following cellular experiments, the data showed that NR2F2-AS1 may influence the NSCLC cell proliferation, invasion and apoptosis through regulating miR-320b targeting BMI1.
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