Abstract
Prostate cancer is one of the most ordinary malignant tumors. Recently, the role of long non-coding RNAs (lncRNAs) in tumor progression has caught the attention of numerous researchers. In this work, lncRNA SNHG14 was studied to identify how it functioned in the progression of prostate cancer. First, Real Time-quantitative Polymerase Chain Reaction (RT-qPCR) was utilized to measure SNHG14 expression in prostate cancer tissues and cell lines. Furthermore, to identify the function of SNHG14 in prostate cancer, functional experiments were conducted in vitro and in vivo. In addition, by performing Luciferase assays and RNA immunoprecipitation assay (RIP), the underlying mechanism was explored. In this work, SNHG14 expression was remarkably higher in prostate cancer samples when compared with that in the corresponding ones. Moreover, cell proliferation was inhibited after SNHG14 was silenced in prostate cancer cells and the expression of miR-613 was upregulated after SNHG14 was silenced. Further mechanism assays showed that miR-613 was a direct target of SNHG14 in prostate cancer. In addition, tumor formation was inhibited after SNHG14 was knocked-down in vivo. Our study discovers a potential oncogene in prostate cancer and identifies that SNHG14 enhances cell proliferation via sponging miR-613.
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