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Expression of miR-124 in gastric adenocarcinoma and the effect on proliferation and invasion of gastric adenocarcinoma SCG-7901 cells

  • Authors:
    • Jianfeng Mu
    • Helei Wang
    • Xiaodong Wang
    • Pengda Sun
  • View Affiliations / Copyright

    Affiliations: Department of Gastric Colorectal Surgery, The First Hospital of Jilin University, Changchun, Jilin 130021, P.R. China, Department of Endoscopy, The Second Hospital of Jilin University, Changchun, Jilin 130041, P.R. China, Department of Gastrointestinal Nutrition and Hernia Surgery, The Second Hospital of Jilin University, Changchun, Jilin 130041, P.R. China
    Copyright: © Mu et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Pages: 3406-3410
    |
    Published online on: January 28, 2019
       https://doi.org/10.3892/ol.2019.9981
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Abstract

Expression of miR-124 in gastric adenocarcinoma cell line SGC-7901 and its effect on biological functions was investigated. Expression of miR-124 in cancer tissues and paracancerous tissues of gastric adenocarcinoma patients was detected by reverse transcription‑quantitative polymerase chain reaction (RT-qPCR). RT-qPCR was used to detect the expression of miR-124 in human normal gastric epithelial cells GES-1 and gastric adenocarcinoma SGC-7901 cells. Cells in miR-124 group were transfected with miR-124 agomir, cells in NC group were transfected with agomir-negative control sequence and cells in the control group were not transfected. MTT assay was used to detect cell proliferation, and Transwell invasion assay to detect cell invasion ability, and the effect of transfected miR-124 agonist on the proliferation and invasive ability of gastric adenocarcinoma cells was evaluated. RT-qPCR results showed that miR-124 expression was significantly downregulated in gastric adenocarcinoma tumor tissues compared with paracancerous tissues. Compared with cells of normal human gastric epithelial cell line GES-1, the expression of miR-124 human gastric adenocarcinoma SGC-7901 cells was significantly downregulated. At 12 h, there was no significant difference in OD at 490 nm in the three groups (P>0.05). OD (490) in the three groups showed a gradual upward trend. After transfection, proliferation curves of the three groups showed an upward trend, proliferation rate of miR-124 group was significantly lower than that of NC and control groups (P<0.05). The number of invading cells in miR-124 group was significantly lower than that in NC group and control group, but there was no significant difference in the number of cell invasion between the NC and control groups. miR-124 can inhibit the proliferation and invasion of gastric adenocarcinoma cells. Downregulation of miR-124 expression in gastric adenocarcinoma may be closely related to the development of gastric adenocarcinoma.
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Copy and paste a formatted citation
Spandidos Publications style
Mu J, Wang H, Wang X and Sun P: Expression of miR-124 in gastric adenocarcinoma and the effect on proliferation and invasion of gastric adenocarcinoma SCG-7901 cells. Oncol Lett 17: 3406-3410, 2019.
APA
Mu, J., Wang, H., Wang, X., & Sun, P. (2019). Expression of miR-124 in gastric adenocarcinoma and the effect on proliferation and invasion of gastric adenocarcinoma SCG-7901 cells. Oncology Letters, 17, 3406-3410. https://doi.org/10.3892/ol.2019.9981
MLA
Mu, J., Wang, H., Wang, X., Sun, P."Expression of miR-124 in gastric adenocarcinoma and the effect on proliferation and invasion of gastric adenocarcinoma SCG-7901 cells". Oncology Letters 17.3 (2019): 3406-3410.
Chicago
Mu, J., Wang, H., Wang, X., Sun, P."Expression of miR-124 in gastric adenocarcinoma and the effect on proliferation and invasion of gastric adenocarcinoma SCG-7901 cells". Oncology Letters 17, no. 3 (2019): 3406-3410. https://doi.org/10.3892/ol.2019.9981
Copy and paste a formatted citation
x
Spandidos Publications style
Mu J, Wang H, Wang X and Sun P: Expression of miR-124 in gastric adenocarcinoma and the effect on proliferation and invasion of gastric adenocarcinoma SCG-7901 cells. Oncol Lett 17: 3406-3410, 2019.
APA
Mu, J., Wang, H., Wang, X., & Sun, P. (2019). Expression of miR-124 in gastric adenocarcinoma and the effect on proliferation and invasion of gastric adenocarcinoma SCG-7901 cells. Oncology Letters, 17, 3406-3410. https://doi.org/10.3892/ol.2019.9981
MLA
Mu, J., Wang, H., Wang, X., Sun, P."Expression of miR-124 in gastric adenocarcinoma and the effect on proliferation and invasion of gastric adenocarcinoma SCG-7901 cells". Oncology Letters 17.3 (2019): 3406-3410.
Chicago
Mu, J., Wang, H., Wang, X., Sun, P."Expression of miR-124 in gastric adenocarcinoma and the effect on proliferation and invasion of gastric adenocarcinoma SCG-7901 cells". Oncology Letters 17, no. 3 (2019): 3406-3410. https://doi.org/10.3892/ol.2019.9981
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