Over-expression of long non-coding RNA ZEB2-AS1 may predict poor prognosis and promote the migration, invasion, and epithelial-mesenchymal transition of tumor cells in non-small cell lung cancer.
The International journal of biological markers(2020)
Abstract
BACKGROUND:Non-small cell lung cancer (NSCLC) remains the most common cause of human cancer-related death worldwide, and the present study aims to explore the roles of long non-coding (lnc)RNA ZEB2-AS1 in NSCLC and the related mechanism.
METHODS:Quantitative real-time-polymerase chain reaction was performed to compare the expressions of ZEB2-AS1 in NSCLC cancer tissue and the adjacent non-tumorous tissues. The diagnostic and prognostic roles of ZEB2-AS1 in NSCLC were also evaluated by the receiver operating characteristic curve and the Kaplan-Meier survival analysis. NSCLC cell line A549 cells were transfected with ZEB2-AS1 siRNA, and the cell viability, migration, invasion, and epithelial-mesenchymal transition (EMT) of the ZEB2-AS1 siRNA group and control group were compared.
RESULTS:ZEB2-AS1 was significantly increased in NSCLC tissues. The knockdown of ZEB2-AS1 markedly inhibited the cell viability, migration, invasion, and EMT of A549 cells in vitro.
CONCLUSION:ZEB2-AS1 was up-regulated in NSCLC, and it may serve as a potential target for the diagnosis, prognosis, and treatment of NSCLC.
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