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Article

MicroRNA‑766 inhibits the malignant biological behaviours of pancreatic ductal adenocarcinoma by directly targeting ETS1

  • Authors:
    • Shiquan Li
    • Guoqiang Yan
    • Meng Yue
    • Zhenhua Kang
    • Lei Wang
  • View Affiliations / Copyright

    Affiliations: Department of Colorectal and Anal Surgery, The First Hospital of Jilin University, Changchun, Jilin 130021, P.R. China
  • Pages: 1380-1387
    |
    Published online on: December 14, 2018
       https://doi.org/10.3892/mmr.2018.9770
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Abstract

Increasing evidence indicates that numerous microRNAs (miRNAs) are altered in pancreatic ductal adenocarcinoma (PDAC), and their alterations significantly influence the malignant behaviour of PDAC. Therefore, identifying miRNAs associated with PDAC and their biological roles in the disease may provide promising therapeutic opportunities. Alteration of the expression of miRNA‑766 (miR‑766) has been previously reported in several types of human malignancy. However, to the best of our knowledge, whether miR‑766 exhibits different expression patterns in PDAC and its underlying functions in the progression of PDAC remain to be elucidated. In the present study, reverse transcription‑quantitative polymerase chain reaction (RT‑qPCR) was used to detect miR‑766 expression levels in PDAC tissues and cell lines. The effects of miR‑766 upregulation on PDAC cell proliferation and invasion were evaluated using MTT and invasion assays, respectively. The mechanisms underlying the role of miR‑766 in PDAC cells were explored using bioinformatics analysis, luciferase reporter assay, RT‑qPCR and western blot analysis. It was found that miR‑766 was significantly downregulated in PDAC tissues and cell lines. The detailed roles of miR‑766 in the progression of PDAC were characterised using Panc‑1 and Aspc‑1 cell lines. The results revealed that the upregulation of miR‑766 restricted the proliferation and invasion of PDAC cells. Through a series of experiments, it was found that E26 transformation specific‑1 (ETS1) was a direct target of miR‑766 in PDAC cells. Furthermore, ETS1 knockdown simulated the inhibitory effects of the overexpression of miR‑766 on PDAC cells, whereas the effects of miR‑766 restoration on the PDAC cells were reversed by overexpressing ETS1. In conclusion, the findings of the present study demonstrate that miR‑766 offers potential as a therapeutic target for patients with PDAC.
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Copy and paste a formatted citation
Spandidos Publications style
Li S, Yan G, Yue M, Kang Z and Wang L: MicroRNA‑766 inhibits the malignant biological behaviours of pancreatic ductal adenocarcinoma by directly targeting ETS1. Mol Med Rep 19: 1380-1387, 2019.
APA
Li, S., Yan, G., Yue, M., Kang, Z., & Wang, L. (2019). MicroRNA‑766 inhibits the malignant biological behaviours of pancreatic ductal adenocarcinoma by directly targeting ETS1. Molecular Medicine Reports, 19, 1380-1387. https://doi.org/10.3892/mmr.2018.9770
MLA
Li, S., Yan, G., Yue, M., Kang, Z., Wang, L."MicroRNA‑766 inhibits the malignant biological behaviours of pancreatic ductal adenocarcinoma by directly targeting ETS1". Molecular Medicine Reports 19.2 (2019): 1380-1387.
Chicago
Li, S., Yan, G., Yue, M., Kang, Z., Wang, L."MicroRNA‑766 inhibits the malignant biological behaviours of pancreatic ductal adenocarcinoma by directly targeting ETS1". Molecular Medicine Reports 19, no. 2 (2019): 1380-1387. https://doi.org/10.3892/mmr.2018.9770
Copy and paste a formatted citation
x
Spandidos Publications style
Li S, Yan G, Yue M, Kang Z and Wang L: MicroRNA‑766 inhibits the malignant biological behaviours of pancreatic ductal adenocarcinoma by directly targeting ETS1. Mol Med Rep 19: 1380-1387, 2019.
APA
Li, S., Yan, G., Yue, M., Kang, Z., & Wang, L. (2019). MicroRNA‑766 inhibits the malignant biological behaviours of pancreatic ductal adenocarcinoma by directly targeting ETS1. Molecular Medicine Reports, 19, 1380-1387. https://doi.org/10.3892/mmr.2018.9770
MLA
Li, S., Yan, G., Yue, M., Kang, Z., Wang, L."MicroRNA‑766 inhibits the malignant biological behaviours of pancreatic ductal adenocarcinoma by directly targeting ETS1". Molecular Medicine Reports 19.2 (2019): 1380-1387.
Chicago
Li, S., Yan, G., Yue, M., Kang, Z., Wang, L."MicroRNA‑766 inhibits the malignant biological behaviours of pancreatic ductal adenocarcinoma by directly targeting ETS1". Molecular Medicine Reports 19, no. 2 (2019): 1380-1387. https://doi.org/10.3892/mmr.2018.9770
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