Abstract
To explore the effects of lncRNA MACC1-AS1 on the invasion and migration of non-small cell lung cancer (NSCLC), PCR was used to detect and compare lncRNA MACC1-AS1 expression in NSCLC cells to normal lung epithelial cells and assess the knockdown effect of lncRNA MACC1-AS1 in A549 and H1299 cell lines. The Transwell system was employed to compare the invasiveness of the lncRNA MACC1-AS1 knockdown cells to the control cells. The migratory ability of the lncRNA MACC1-AS1 knockdown cells was compared to the control cells via in vitro scratch assay. Western blot was used to detect the E-cadherin/N-cadherin expression. Balb/c mouse model was used to verify the metastasis ability in vivo between the control and lncRNA MACC1-AS1 knockdown groups. The level of lncRNA MACC1-AS1 was markedly higher in lung cancer cells than normal lung epithelial cells. The knockdown of lncRNA MACC1-AS1 reduced the invasiveness and migratory capacity of A549 and H1299 cells. Downregulating lncRNA MACC1-AS1 upregulated E-cadherin but down-regulated N-cadherin in A549 and H1299 cells. Besides, the silencing of lncRNA MACC1-AS1 reduced the A549 cells’ ability to metastasize in vivo. LncRNA MACC1-AS1 can enhance the invasiveness and migratory capability of NSCLC.
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