Background: Long noncoding RNAs (lncRNAs) have been identified as prognostic biomarkers and functional regulators in human cancers. The present study aimed to determine the expressions and functions of an lncRNA, (), in hepatocellular carcinoma (HCC).
Patients And Methods: expressions were tested by quantitative real-time PCR (qRT-PCR) in HCC cell lines, as well as 43 pairs of HCC tissues and pair-matched healthy hepatic tissues. It was overexpressed in Hep3B and HuH7 cells. The effects of overexpression in HCC in vitro proliferation, 5-fluorouracil (5-FU) chemoresistance, and in vivo tumor growth were tested. A potential microRNA (miRNA) sponge target of , hsa-miR-93, was tested by luciferase reporter assay and qRT-PCR. In addition, hsa-miR-93 was upregulated in -overexpressed HCC cells to examine its effect on -mediated cancer cell functional regulation in HCC.
Results: levels were markedly downregulated in both HCC cell lines and HCC tissues. Lentivirus-mediated overexpression inhibited HCC cell proliferation, 5-FU chemoresistance, and in vivo tumor growth. Hsa-miR-93 was confirmed to be directly sponging on . Its upregulation in HCC cells reversed overexpression and induced tumor-suppressing effects in HCC cells.
Conclusion: Our data demonstrate that plays a critical role in HCC development via functionally sponging hsa-miR-93.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6290873 | PMC |
| http://dx.doi.org/10.2147/OTT.S182005 | DOI Listing |
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