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Article

MicroRNA-30d inhibits the migration and invasion of human esophageal squamous cell carcinoma cells via the post‑transcriptional regulation of enhancer of zeste homolog 2

  • Authors:
    • Rui Xie
    • Shang-Nong Wu
    • Cheng-Cheng Gao
    • Xiao-Zhong Yang
    • Hong‑Gang Wang
    • Jia-Ling Zhang
    • Wei Yan
    • Tian-Heng Ma
  • View Affiliations / Copyright

    Affiliations: Department of Gastroenterology, Huai'an First People's Hospital, Nanjing Medical University, Huai'an, Jiangsu 223300, P.R. China
  • Pages: 1682-1690
    |
    Published online on: January 25, 2017
       https://doi.org/10.3892/or.2017.5405
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Abstract

The present study was carried out to investigate the expression pattern, clinical significance and biological functions of microRNA-30d (miR-30d) in esophageal carcinogenesis. Quantitative real-time PCR was performed to detect the expression levels of miR-30d in esophageal squamous cell carcinoma (ESCC) tissues and cell lines. Then, associations between miR-30d expression and various clinicopathological features of patients with ESCC were statistically evaluated. In addition, the effects of miR-30d on the migration and invasion of two human ESCC cell lines transfected with miRNA or co-transfected with miRNA mimics and the expression vector of its target gene were determined. The results revealed that the expression levels of miR-30d were markedly decreased in ESCC tissues and cell lines, comparing with the corresponding normal controls. Notably, reduced expression of miR-30d occurred more frequently in ESCC patients with positive lymph node metastasis, moderate-poor differentiation and advanced tumor-node-metastasis stage than those with negative features. Functionally, enforced expression of miR-30d was found to inhibit cell invasion and migration of the ESCC cell lines. Luciferase reporter assay identified enhancer of zeste homolog 2 (EZH2) as a direct target gene of miR-30d. The expression level of EZH2 mRNA was negatively correlated with the expression of miR-30d in the ESCC tissues. Moreover, the inhibitory effect of miR-30d on ESCC cell motility was reversed by EZH2 overexpression. Collectively, these findings provide convincing evidence that decreased expression of miR-30d may be implicated in esophageal carcinogenesis and progression. We also confirmed miR-30d as a tumor-suppressor which may inhibit cancer cell motility by targeting EZH2, a potential therapeutic target for ESCC.
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Copy and paste a formatted citation
Spandidos Publications style
Xie R, Wu S, Gao C, Yang X, Wang HG, Zhang J, Yan W and Ma T: MicroRNA-30d inhibits the migration and invasion of human esophageal squamous cell carcinoma cells via the post‑transcriptional regulation of enhancer of zeste homolog 2. Oncol Rep 37: 1682-1690, 2017.
APA
Xie, R., Wu, S., Gao, C., Yang, X., Wang, H., Zhang, J. ... Ma, T. (2017). MicroRNA-30d inhibits the migration and invasion of human esophageal squamous cell carcinoma cells via the post‑transcriptional regulation of enhancer of zeste homolog 2. Oncology Reports, 37, 1682-1690. https://doi.org/10.3892/or.2017.5405
MLA
Xie, R., Wu, S., Gao, C., Yang, X., Wang, H., Zhang, J., Yan, W., Ma, T."MicroRNA-30d inhibits the migration and invasion of human esophageal squamous cell carcinoma cells via the post‑transcriptional regulation of enhancer of zeste homolog 2". Oncology Reports 37.3 (2017): 1682-1690.
Chicago
Xie, R., Wu, S., Gao, C., Yang, X., Wang, H., Zhang, J., Yan, W., Ma, T."MicroRNA-30d inhibits the migration and invasion of human esophageal squamous cell carcinoma cells via the post‑transcriptional regulation of enhancer of zeste homolog 2". Oncology Reports 37, no. 3 (2017): 1682-1690. https://doi.org/10.3892/or.2017.5405
Copy and paste a formatted citation
x
Spandidos Publications style
Xie R, Wu S, Gao C, Yang X, Wang HG, Zhang J, Yan W and Ma T: MicroRNA-30d inhibits the migration and invasion of human esophageal squamous cell carcinoma cells via the post‑transcriptional regulation of enhancer of zeste homolog 2. Oncol Rep 37: 1682-1690, 2017.
APA
Xie, R., Wu, S., Gao, C., Yang, X., Wang, H., Zhang, J. ... Ma, T. (2017). MicroRNA-30d inhibits the migration and invasion of human esophageal squamous cell carcinoma cells via the post‑transcriptional regulation of enhancer of zeste homolog 2. Oncology Reports, 37, 1682-1690. https://doi.org/10.3892/or.2017.5405
MLA
Xie, R., Wu, S., Gao, C., Yang, X., Wang, H., Zhang, J., Yan, W., Ma, T."MicroRNA-30d inhibits the migration and invasion of human esophageal squamous cell carcinoma cells via the post‑transcriptional regulation of enhancer of zeste homolog 2". Oncology Reports 37.3 (2017): 1682-1690.
Chicago
Xie, R., Wu, S., Gao, C., Yang, X., Wang, H., Zhang, J., Yan, W., Ma, T."MicroRNA-30d inhibits the migration and invasion of human esophageal squamous cell carcinoma cells via the post‑transcriptional regulation of enhancer of zeste homolog 2". Oncology Reports 37, no. 3 (2017): 1682-1690. https://doi.org/10.3892/or.2017.5405
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