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Article

MicroRNA‑301a targets WNT1 to suppress cell proliferation and migration and enhance radiosensitivity in esophageal cancer cells

  • Authors:
    • Huafang Su
    • Youyi Wu
    • Ya Fang
    • Lanxiao Shen
    • Zhenghua Fei
    • Congying Xie
    • Ming Chen
  • View Affiliations / Copyright

    Affiliations: Department of Radiotherapy and Oncology, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215004, P.R. China, Department of Radiation Oncology, The Third Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, P.R. China, Department of Radiation Oncology and Chemotherapy, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, P.R. China
  • Pages: 599-607
    |
    Published online on: October 16, 2018
       https://doi.org/10.3892/or.2018.6799
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Abstract

Esophageal cancer (EC) is one of the leading causes of death among malignancies. Radiotherapy for esophageal squamous cell carcinoma (ESCC) patients is limited by resistance to ionizing radiation (IR). An increasing body of evidence has demonstrated that aberrant expression of microRNA‑301a (miR‑301a) contributes to cancer progression and sensitivity to radiation. The aim of the present study was to investigate the exact functions and potential mechanisms of miR‑301a in ESCC radioresistance. Initially, the miR‑301a‑transfected radioresistant ESCC cells KYSE‑150R exhibited a decreased proliferation rate, and enhanced radiosensitivity and migration, whereas downregulation of miR‑301a in radiosensitive KYSE‑150 cells produced the opposite results. miR‑301a regulates WNT1 expression at both the mRNA and protein levels. Furthermore, dual‑luciferase reporter assays revealed that WNT1 was a target gene of miR‑301a. In addition, the expression of miR‑301a markedly affected the expression of Wnt/β‑catenin‑related proteins such as β‑catenin and cyclin D1. Finally, overexpression of miR‑301a inhibited epithelial‑mesenchymal transition (EMT) conversion by directly targeting Snail and vimentin in radioresistant‑ESCC cell lines; however, no inhibitory effects were exerted on Twist. Collectively, these results indicated that miR‑301a increased the radiosensitivity and inhibited the migration of radioresistant‑ESCC cells by targeting WNT1, thereby inactivating the Wnt/β‑catenin signaling pathway and EMT reversal. Thus, miR‑301a may be a potential therapeutic target for the treatment of EC radioresistance.
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Copy and paste a formatted citation
Spandidos Publications style
Su H, Wu Y, Fang Y, Shen L, Fei Z, Xie C and Chen M: MicroRNA‑301a targets WNT1 to suppress cell proliferation and migration and enhance radiosensitivity in esophageal cancer cells. Oncol Rep 41: 599-607, 2019.
APA
Su, H., Wu, Y., Fang, Y., Shen, L., Fei, Z., Xie, C., & Chen, M. (2019). MicroRNA‑301a targets WNT1 to suppress cell proliferation and migration and enhance radiosensitivity in esophageal cancer cells. Oncology Reports, 41, 599-607. https://doi.org/10.3892/or.2018.6799
MLA
Su, H., Wu, Y., Fang, Y., Shen, L., Fei, Z., Xie, C., Chen, M."MicroRNA‑301a targets WNT1 to suppress cell proliferation and migration and enhance radiosensitivity in esophageal cancer cells". Oncology Reports 41.1 (2019): 599-607.
Chicago
Su, H., Wu, Y., Fang, Y., Shen, L., Fei, Z., Xie, C., Chen, M."MicroRNA‑301a targets WNT1 to suppress cell proliferation and migration and enhance radiosensitivity in esophageal cancer cells". Oncology Reports 41, no. 1 (2019): 599-607. https://doi.org/10.3892/or.2018.6799
Copy and paste a formatted citation
x
Spandidos Publications style
Su H, Wu Y, Fang Y, Shen L, Fei Z, Xie C and Chen M: MicroRNA‑301a targets WNT1 to suppress cell proliferation and migration and enhance radiosensitivity in esophageal cancer cells. Oncol Rep 41: 599-607, 2019.
APA
Su, H., Wu, Y., Fang, Y., Shen, L., Fei, Z., Xie, C., & Chen, M. (2019). MicroRNA‑301a targets WNT1 to suppress cell proliferation and migration and enhance radiosensitivity in esophageal cancer cells. Oncology Reports, 41, 599-607. https://doi.org/10.3892/or.2018.6799
MLA
Su, H., Wu, Y., Fang, Y., Shen, L., Fei, Z., Xie, C., Chen, M."MicroRNA‑301a targets WNT1 to suppress cell proliferation and migration and enhance radiosensitivity in esophageal cancer cells". Oncology Reports 41.1 (2019): 599-607.
Chicago
Su, H., Wu, Y., Fang, Y., Shen, L., Fei, Z., Xie, C., Chen, M."MicroRNA‑301a targets WNT1 to suppress cell proliferation and migration and enhance radiosensitivity in esophageal cancer cells". Oncology Reports 41, no. 1 (2019): 599-607. https://doi.org/10.3892/or.2018.6799
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