Xiao Zhihua, Wang Yijun, Ding Hao
1Department of Gastroenterology, The Second Affiliated Hospital of Nanchang University, 1 Minde Road, Nanchang, 330006 Jiangxi People's Republic of China.
2The Second Clinical Medical College of Nanchang University, Nanchang, 330006 Jiangxi People's Republic of China.
Cell Biosci. 2019 Jan 5;9:6. doi: 10.1186/s13578-018-0269-4. eCollection 2019.
The aim of this study was to investigate the role of XPD in migration and invasion of hepatocellular carcinoma (HCC) cells.
The expression of XPD and miR-29a-3p was examined by western blot and qRT-PCR, cell proliferation was detected by MTT assay, cell migration was detected by transwell assay. TargetScan was used to predict potential targets of miR-29a-3p.
In this study, we found that the expression of XPD and miR-29a-3p was downregulated in HCC samples and HCC cell lines. XPD suppressed proliferation and migration of HCC cell via regulating miR-29a-3p expression. Target prediction analysis and dual-luciferase reporter assay confirmed Mdm2 and PDGF-B were direct targets of miR-29a-3p, and miR-29a-3p suppressed proliferation and migration of HCC cells via regulating the expression of Mdm2 or PDGF-B.
Our data indicated that XPD suppressed cell proliferation and migration via miR-29a-3p-Mdm2/PDGF-B axis in HCC.
本研究旨在探讨XPD在肝细胞癌(HCC)细胞迁移和侵袭中的作用。
采用蛋白质免疫印迹法和实时定量聚合酶链反应检测XPD和miR-29a-3p的表达,采用MTT法检测细胞增殖,采用Transwell法检测细胞迁移。利用TargetScan预测miR-29a-3p的潜在靶标。
在本研究中,我们发现HCC样本和HCC细胞系中XPD和miR-29a-3p的表达下调。XPD通过调节miR-29a-3p的表达抑制HCC细胞的增殖和迁移。靶标预测分析和双荧光素酶报告基因检测证实Mdm2和PDGF-B是miR-29a-3p的直接靶标,且miR-29a-3p通过调节Mdm2或PDGF-B的表达抑制HCC细胞的增殖和迁移。
我们的数据表明,XPD在HCC中通过miR-29a-3p-Mdm2/PDGF-B轴抑制细胞增殖和迁移。