Lili Zhang , Nan Dang , Jiongyi Wang , Wenying Zhang , Xiaohua Hu , Bin Jiang , Dan Zhao , Feng Liu , Haihua Yuan
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引用次数: 0
Abstract
Background
Microvascular invasion is strongly associated with aggressive tumor behavior and recurrence in hepatocellular carcinoma (HCC) patients. Zinc finger protein 143(ZNF143) is a transcription factor involved in a wide variety of physiological and developmental processes. This study primarily focuses on the exact biological role and mechanism of ZNF143 in HCC migration and invasion.
Methods
The expression and prognosis of ZNF143 in HCC patients were analyzed. The levels of ZNF143, mex-3 RNA binding family member C (MEX3C) were quantified by western blot and reverse transcription-quantitative polymerase chain reaction (RT-qPCR). Cell migration ability was detected by wound- healing assay. Matrigel transwell assay was conducted to evaluate the invasion of HCC cells. The differential expression genes of ZNF143 overexpression and knockdown were screened by mRNA profiling analysis. Dual luciferase assay was performed to determine the promoter activity of MEX3C. The enrichment of ZNF143 at MEX3C promoter was determined by chromatin immunoprecipitation (ChIP).
Results
ZNF143 is overexpressed in HCC tissues and that its overexpression is correlated with poorer prognosis, especially in HCC patients with higher tumor grades and microvascular invasion. Gain- and loss-of function experiments showed that ZNF143 promotes migration and invasion in HCC cells. mRNA profiling showed that ZNF143 significantly upregulates MEX3C. ZNF143 was positively correlated with MEX3C expression in HCC tissue. ZNF143 activates MEX3C transcription by directly binding to its promoter. MEX3C knockdown inhibited migration and invasion induced by ZNF143 overexpression in HCC cells.
Conclusion
ZNF143 promotes HCC cell migration and invasion by binding to MEX3C promoter and activating its expression.
期刊介绍：
Clinics and Research in Hepatology and Gastroenterology publishes high-quality original research papers in the field of hepatology and gastroenterology. The editors put the accent on rapid communication of new research and clinical developments and so called "hot topic" issues. Following a clear Editorial line, besides original articles and case reports, each issue features editorials, commentaries and reviews. The journal encourages research and discussion between all those involved in the specialty on an international level. All articles are peer reviewed by international experts, the articles in press are online and indexed in the international databases (Current Contents, Pubmed, Scopus, Science Direct).
Clinics and Research in Hepatology and Gastroenterology is a subscription journal (with optional open access), which allows you to publish your research without any cost to you (unless you proactively chose the open access option). Your article will be available to all researchers around the globe whose institution has a subscription to the journal.
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