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Article

Oncogenic role of microRNA-532‑5p in human colorectal cancer via targeting of the 5'UTR of RUNX3

  • Authors:
    • Jiantao Zhang
    • Wenli Zhou
    • Yanyan Liu
    • Tao Liu
    • Chenyao Li
    • Lei Wang
  • View Affiliations / Copyright

    Affiliations: Department of Colorectal and Anal Surgery, First Affiliated Hospital of Jilin University, Changchun, Jilin 130021, P.R. China, Department of Neonatology, First Affiliated Hospital of Jilin University, Changchun, Jilin 130021, P.R. China, Department of Physiology, Harbin Medical University, Harbin, Heilongjiang 150081, P.R. China
  • Pages: 7215-7220
    |
    Published online on: March 8, 2018
       https://doi.org/10.3892/ol.2018.8217
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Abstract

Previous studies have demonstrated that microRNAs (miRs) are involved in the carcinogenesis of colorectal cancer (CRC). To the best of our knowledge, the function and regulatory role of miR‑532‑5p in human CRC remains unknown. The aim of the present study was to determine the role and regulation of miR‑532‑5p in CRC. Using the reverse transcription-quantitative polymerase chain reaction, it was demonstrated that miR‑532‑5p was upregulated, whereas runt-related transcription factor 3 (RUNX3) was downregulated in CRC tissues. The upregulated miR‑532‑5p was associated with the downregulated RUNX3. Furthermore, the two biomarkers were associated with numerous clinicopathological characteristics of CRC, including tumor stage, lymph node involvement, differentiation, vessel invasion and tumor recurrence. The in vitro luciferase reporter assay demonstrated that transfection with miR‑532‑5p mimic markedly downregulated the RUNX3 mRNA and protein levels, via specific binding to the 5'‑untranslated region of RUNX3 in human HT‑29 CRC cells. In addition, an MTT assay and a colony formation assay demonstrated that miR‑532‑5p overexpression led to increased tumor cell viability and colony formation ability of HT‑29 cells. In conclusion, the results of the present study indicate that miR‑532‑5p may function as an oncogenic miRNA by promoting cell growth in human CRC cells, and such promotion is associated with the targeted inhibition of RUNX3.
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Copy and paste a formatted citation
Spandidos Publications style
Zhang J, Zhou W, Liu Y, Liu T, Li C and Wang L: Oncogenic role of microRNA-532‑5p in human colorectal cancer via targeting of the 5'UTR of RUNX3. Oncol Lett 15: 7215-7220, 2018.
APA
Zhang, J., Zhou, W., Liu, Y., Liu, T., Li, C., & Wang, L. (2018). Oncogenic role of microRNA-532‑5p in human colorectal cancer via targeting of the 5'UTR of RUNX3. Oncology Letters, 15, 7215-7220. https://doi.org/10.3892/ol.2018.8217
MLA
Zhang, J., Zhou, W., Liu, Y., Liu, T., Li, C., Wang, L."Oncogenic role of microRNA-532‑5p in human colorectal cancer via targeting of the 5'UTR of RUNX3". Oncology Letters 15.5 (2018): 7215-7220.
Chicago
Zhang, J., Zhou, W., Liu, Y., Liu, T., Li, C., Wang, L."Oncogenic role of microRNA-532‑5p in human colorectal cancer via targeting of the 5'UTR of RUNX3". Oncology Letters 15, no. 5 (2018): 7215-7220. https://doi.org/10.3892/ol.2018.8217
Copy and paste a formatted citation
x
Spandidos Publications style
Zhang J, Zhou W, Liu Y, Liu T, Li C and Wang L: Oncogenic role of microRNA-532‑5p in human colorectal cancer via targeting of the 5'UTR of RUNX3. Oncol Lett 15: 7215-7220, 2018.
APA
Zhang, J., Zhou, W., Liu, Y., Liu, T., Li, C., & Wang, L. (2018). Oncogenic role of microRNA-532‑5p in human colorectal cancer via targeting of the 5'UTR of RUNX3. Oncology Letters, 15, 7215-7220. https://doi.org/10.3892/ol.2018.8217
MLA
Zhang, J., Zhou, W., Liu, Y., Liu, T., Li, C., Wang, L."Oncogenic role of microRNA-532‑5p in human colorectal cancer via targeting of the 5'UTR of RUNX3". Oncology Letters 15.5 (2018): 7215-7220.
Chicago
Zhang, J., Zhou, W., Liu, Y., Liu, T., Li, C., Wang, L."Oncogenic role of microRNA-532‑5p in human colorectal cancer via targeting of the 5'UTR of RUNX3". Oncology Letters 15, no. 5 (2018): 7215-7220. https://doi.org/10.3892/ol.2018.8217
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