例如:"lncRNA", "apoptosis", "WRKY"

Long noncoding RNA DNAH17-AS1 promotes tumorigenesis and metastasis of non-small cell lung cancer via regulating miR-877-5p/CCNA2 pathway.

Biochem Biophys Res Commun. 2020 Dec 10;533(3):565-572. Epub 2020 Sep 25
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摘要


A growing number of studies have revealed that long noncoding RNAs (lncRNAs) can function as important oncogenes or tumor suppressors. This study aimed to investigate the regulatory role of lncRNA DNAH17 antisense RNA 1 (DNAH17-AS1) on non-small cell lung cancer (NSCLC) and the underlying molecular mechanisms. We observed that the expression of DNAH17-AS1 and CCNA2 mRNA was distinctly upregulated in NSCLC specimens and cell lines, while miR-877-5p expression was significantly decreased. DNAH17-AS1 could be used to distinguish NSCLC specimens from adjacent non-tumor tissues. Clinical assays revealed that high DNAH17-AS1 was associated with TNM stage, distant metastasis and shorter overall survival and disease-free survival. Functional assays indicated that knockdown of DNAH17-AS1 suppressed the proliferation, migration and invasion of H1299 and 95D cells, and promoted apoptosis. Mechanically, DNAH17-AS1 served as competing endogenous RNA (ceRNA) for miR-877-5p to positively recover CCNA2. Overall, we identified a novel NSCLC-related lncRNA, DNAH17-AS1 which may exert an oncogenic function via serving as a sponge for miR-877-5p to upregulate CCNA2. Our study presents novel insights into NSCLC progression and provided a prospective therapeutic target for NSCLC.

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