Zhu T, An S, Choy MT, Zhou J, Wu S, Liu S, Liu B, Yao Z, Zhu X, Wu J, He Z

Long noncoding RNAs (lncRNAs) are involved in the pathology of various tumours, including non-small cell lung cancer (NSCLC). However, the underlying molecular mechanisms of their specific association with NSCLC have not been fully elucidated. Here, we report that a cytoplasmic lncRNA, DUXAP9-206 is overexpressed in NSCLC cells and closely related ...

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to NSCLC clinical features and poor patient survival. We reveal that DUXAP9-206 induced NSCLC cell proliferation and metastasis by directly interacting with Cbl-b, an E3 ubiquitin ligase, and reducing the degradation of epidermal growth factor receptor (EGFR) and thereby augmenting EGFR signaling in NSCLC. Notably, correlations between DUXAP9-206 and activated EGFR signaling were also validated in NSCLC patient specimens. Collectively, our findings reveal the novel molecular mechanisms of DUXAP9-206 in mediating the progression of NSCLC and DUXAP9-206 may serve as a potential target for NSCLC therapy.

Date: Mar. 01, 2019

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