MiR-24 promotes migration and invasion of non-small cell lung cancer by targeting ZNF367.

PURPOSE:Non-small lung cancer (NSCLC) is one of most common cancers worldwide. microRNAs (miRNAs) play an important role in animal biological processes, such as cell growth, differentiation and apoptosis. The aim of this study was to investigate whether MiR-24 can regulate cell proliferation of NSCLC by targeting ZNF367. METHODS:Real time quantitative PCR (qRT-PCR) was used to detect the expression levels of MiR-24 and ZNF367. Western blot assay was employed to analyze the protein levels. Luciferase reporter assay was used to test the target gene of MiR-24. MTT assay was used to detect cell proliferation. RESULTS:MiR-24 was significantly up-regulated in NSCLC tissues compared with their corresponding nontumorous tissues (p<0.05). Over-expression of MiR-24 could significantly promoted cell migration and invasion (p<0.05). ZNF367 was a downstream target of MiR-24 and down-regulated by MiR-24. Knockdown of ZNF367 remarkably promoted NSCLC cell proliferation (p<0.05). CONCLUSIONS:The novel identified MiR-24/ZNF367 axis offers new insights into tumorigenesis of NSCLC and a new biomarker for NSCLC treatment.

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