LINC00205 Promotes Tumor Malignancy of Lung Adenocarcinoma Through Sponging miR-185-5p.

The emerging role of long noncoding RNAs (lncRNAs) in cancer, especially in lung adenocarcinoma (LUAD), is attracting increasingly more attention as a potential therapeutic target. However, whether lncRNA LINC00205 regulates the malignancy of LUAD has not been characterized. In this study, we discovered that LINC00205 was markedly upregulated in LUAD tissues and cell lines and correlated with poor prognosis of patients with LUAD. Our data showed that LINC00205 promoted the migration and proliferation of LUAD cells in vitro and tumor growth in vivo. Notably, the tumor suppressor miR-185-5p was found to be a direct target of LINC00205. In addition, miR-185-5p diminished the promotion of cell proliferation and migration mediated by LINC00205, whereas miR-185-5p inhibition had the opposite effect. In summary, our results show that LINC00205 contributes to LUAD malignancy by sponging miR-185-5p, which provides new insight into LUAD progression.

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