LncRNA CRNDE promotes hepatocellular carcinoma progression by upregulating SIX1 through modulating miR-337-3p.

A new interesting article has been published in J Cell Biochem. 2019 May 17. doi: 10.1002/jcb.28894. and titled:

LncRNA CRNDE promotes hepatocellular carcinoma progression by upregulating SIX1 through modulating miR-337-3p.

Authors of this article are:

Tang D, Zhao L, Peng C, Ran K, Mu R, Ao Y.

A summary of the article is shown below:

BACKGROUND: Long noncoding RNA (lncRNA) is emerging as a vital regulator in various cancers. Recently, it was found that lncRNA colorectal neoplasia differentially expressed (CRNDE) plays an oncogenic role, promoting cell proliferation and migration in hepatocellular carcinoma (HCC). However, the underlying regulatory mechanism of lncRNA CRNDE remains unclear.METHODS: The expression levels of lncRNA CRNDE and miR-337-3p were analyzed by real-time polymerase chain reaction, and sineoculis homeobox homolog 1 (SIX1) expression was determined by Western blot analysis. RNA pull-down, luciferase and Western blot analysis assays were used to examine the target relationship between lncRNA CRNDE and miR-337-3p as well as between miR-337-3p and SIX1. The functional effects of lncRNA CRNDE and miR-337-3p were examined in vitro by using cell viability, colony formation, wound scratch, transwell assays, and in vivo in a xenograft tumor mouse model.RESULTS: LncRNA CRNDE was overexpressed in tumor tissues of patients with HCC. LncRNA CRNDE downregulation significantly suppressed cell proliferation and migration. Mechanistic investigations demonstrated that lncRNA CRNDE interacted with miR-337-3p and decreased its expression, thereby increasing the protein expression of miR-337-3p’s target, SIX1. In addition, in vivo experiments using a xenograft tumor mouse model revealed that lncRNA CRNDE served as an oncogene, partly through sponging miR-337-3p and upregulating SIX1 in HCC.CONCLUSIONS: In this study, we report a newly identified regulatory mechanism lncRNA CRNDE/miR-337-3p/SIX1 axis, suggesting a promising therapeutic target in HCC.© 2019 Wiley Periodicals, Inc.

Check out the article’s website on Pubmed for more information:

This article is a good source of information and a good way to become familiar with topics such as: SIX1; cell migration; cell proliferation; hepatocellular carcinoma; lncRNA CRNDE; miR-337-3p.

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