LncRNA CASC19 promotes the proliferation, migration and invasion of non-small cell lung carcinoma via regulating miRNA-130b-3p

European Review for Medical and Pharmacological Sciences
C-X QuQ Yang

Abstract

To uncover the biological role of long non-coding RNA (lncRNA) CASC19 in the pathogenesis of non-small cell lung carcinoma (NSCLC) and the potential mechanism. Expression pattern of lncRNA CASC19 in NSCLC tissues and cell lines was determined by quantitative Real Time-Polymerase Chain Reaction (qRT-PCR). Survival analysis on the correlation between CASC19 level and prognosis of NSCLC patients was conducted by introducing for the Kaplan-Meier estimator. After the transfection of si-CASC19 in A549 and PC9 cells, changes in viability, migratory, and invasive capacities were evaluated. Dual-luciferase reporter gene assay was performed to explore the interaction between microRNA-130b-3p (miRNA-130b-3p) and CASC19/ZEB2. Their interactive effects on the progression of NSCLC were finally investigated through rescue experiments. LncRNA CASC19 was upregulated in NSCLC tissues and cell lines. NSCLC patients with high expression of CASC19 presented a worse survival. Knockdown of CASC19 attenuated proliferative, migratory, and invasive capacities of A549 and PC9 cells. CASC19 sponged miRNA-130b-3p and negatively regulated its level. ZEB2 was the direct target of miRNA-130b-3p. The knockdown of miRNA-130b-3p reversed the regulatory effects o...Continue Reading

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