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Article

microRNA-103 regulates the growth and invasion of endometrial cancer cells through the downregulation of tissue inhibitor of metalloproteinase 3

  • Authors:
    • Dongqi Yu
    • Huaijun Zhou
    • Qingying Xun
    • Xiaofeng Xu
    • Jingxian Ling
    • Yali Hu
  • View Affiliations / Copyright

    Affiliations: Department of Gynecology and Obstetrics, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, Jiangsu, P.R. China, Department of Physiology, Medical College of Southeast University, Nanjing, Jiangsu, P.R. China
  • Pages: 1221-1226
    |
    Published online on: March 8, 2012
       https://doi.org/10.3892/ol.2012.638
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Abstract

Despite improvements in treatment over the past few decades, endometrial cancer remains one of the most common causes of mortality in women and there is an urgent need for the development of targeted therapies. The aim of this study was to confirm the target gene of miR-103 in human endometrial cancer and investigate the biological functions in which miR-103 is involved through the regulation of the expression of its target gene. This study may provide useful data to gain a better understanding of the effect of miR-103 in tumor formation. miR-103 expression levels were measured using real-time quantitative PCR. The effect of miR-103 on tissue inhibitor of metalloproteinase 3 (TIMP-3) expression was assessed in endometrial cancer cell lines with a miR-103 inhibitor to decrease the level of miR-103 expression. Furthermore, the roles of miR-103 in cell growth and invasion were analyzed using miR-103 inhibitor-transfected cells. The level of expression of miR-103 decreased following transfection with the miR-103 inhibitor. miR-103 inhibitor transfection increased the activity of the luciferase reporter assay containing the TIMP-3 3'-untranslated region (UTR) construct and increased the levels of the TIMP-3 protein but not its mRNA in endometrial cancer cell lines. Finally, miR-103 inhibitor-transfected cells exhibited reduced cell growth and invasive characteri­stics. Our data suggested that miR-103 post-transcriptionally downregulates the expression of the tumor suppressor TIMP-3 and stimulates growth and invasion in endometrial cancer cell lines. This provides a possible therapeutic target that may upregulate TIMP-3 in endometrial cancer.
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Copy and paste a formatted citation
Spandidos Publications style
Yu D, Zhou H, Xun Q, Xu X, Ling J and Hu Y: microRNA-103 regulates the growth and invasion of endometrial cancer cells through the downregulation of tissue inhibitor of metalloproteinase 3. Oncol Lett 3: 1221-1226, 2012.
APA
Yu, D., Zhou, H., Xun, Q., Xu, X., Ling, J., & Hu, Y. (2012). microRNA-103 regulates the growth and invasion of endometrial cancer cells through the downregulation of tissue inhibitor of metalloproteinase 3. Oncology Letters, 3, 1221-1226. https://doi.org/10.3892/ol.2012.638
MLA
Yu, D., Zhou, H., Xun, Q., Xu, X., Ling, J., Hu, Y."microRNA-103 regulates the growth and invasion of endometrial cancer cells through the downregulation of tissue inhibitor of metalloproteinase 3". Oncology Letters 3.6 (2012): 1221-1226.
Chicago
Yu, D., Zhou, H., Xun, Q., Xu, X., Ling, J., Hu, Y."microRNA-103 regulates the growth and invasion of endometrial cancer cells through the downregulation of tissue inhibitor of metalloproteinase 3". Oncology Letters 3, no. 6 (2012): 1221-1226. https://doi.org/10.3892/ol.2012.638
Copy and paste a formatted citation
x
Spandidos Publications style
Yu D, Zhou H, Xun Q, Xu X, Ling J and Hu Y: microRNA-103 regulates the growth and invasion of endometrial cancer cells through the downregulation of tissue inhibitor of metalloproteinase 3. Oncol Lett 3: 1221-1226, 2012.
APA
Yu, D., Zhou, H., Xun, Q., Xu, X., Ling, J., & Hu, Y. (2012). microRNA-103 regulates the growth and invasion of endometrial cancer cells through the downregulation of tissue inhibitor of metalloproteinase 3. Oncology Letters, 3, 1221-1226. https://doi.org/10.3892/ol.2012.638
MLA
Yu, D., Zhou, H., Xun, Q., Xu, X., Ling, J., Hu, Y."microRNA-103 regulates the growth and invasion of endometrial cancer cells through the downregulation of tissue inhibitor of metalloproteinase 3". Oncology Letters 3.6 (2012): 1221-1226.
Chicago
Yu, D., Zhou, H., Xun, Q., Xu, X., Ling, J., Hu, Y."microRNA-103 regulates the growth and invasion of endometrial cancer cells through the downregulation of tissue inhibitor of metalloproteinase 3". Oncology Letters 3, no. 6 (2012): 1221-1226. https://doi.org/10.3892/ol.2012.638
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