Abstract
Non-small cell lung cancer (NSCLC) is a type of cancer that is associated with high prevalence and high mortality rates in China. Therefore, it is of importance to identify the mechanisms underlying NSCLC progression. In the present study, reverse transcription-quantitative PCR was performed to measure the expression of microRNA (miR)-365b in NSCLC cell lines. In addition, the biological roles of miR-365b and N-acetylgalactosaminyltransferase 4 (GALNT4) were investigated by manipulating the expression levels of miR-365b and GALNT4 in NSCLC cells. It was found that miR-365b expression was reduced in NSCLC tissues and cells. Overexpression of miR-365b inhibited NSCLC cell proliferation whilst promoting apoptosis, but miR-365b knockdown promoted NSCLC cell proliferation. In addition, it was demonstrated that miR-365b regulated the proliferation and apoptosis of NSCLC cells by targeting GALNT4 expression. Collectively, the present study identified a miR-365b/GALNT4 regulatory axis in NSCLC, suggesting that miR-365b may serve as a therapeutic target for NSCLC.
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