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Anti-miR-362-3p Inhibits Migration and Invasion of Human Gastric Cancer Cells by Its Target CD82

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An Erratum to this article was published on 05 April 2015

Abstract

Aim

This study was to investigate the effects and mechanisms of miR-362-3p on regulation of gastric cancer (GC) cell metastasis potential.

Methods

We detected miR-362-3p level in GC and adjacent normal tissues and investigated the relationship with clinicopathological factors. Next, we analyzed the level of miR-362-3p expression and CD82 in different differentiated GC cells compared with a normal gastric mucosa cell by RT-PCR and Western blot. Dual-luciferase reporter assay and Western blot confirmed a direct interaction between miR-362-3p and CD82 3′UTR. After miR-362-3p and CD82 were silenced in GC cells, we compared the transfected GC cells migration and invasion capacity by transwell assay. In addition, we detected the effects on cells angiogenesis by tube formation assay. Western blot was used to detect the impact of CD82 and miR-362-3p on epithelial-to-mesenchymal transition markers in treated GC cells.

Results

Level of miR-362-3p expression was much higher in GC cells than in normal gastric mucosa cell, and miR-362-3p expression negatively correlated with CD82 mRNA expression in these cell lines. Furthermore, miR-362-3p expression inhibited GC cell metastasis capacity by suppression of CD82 expression. Level of miR-362-3p may mediate E-cadherin, N-cadherin, and vimentin expression in GC cells.

Conclusion

This study illuminated that downregulation of miR-362-3p along with the upregulation of CD82 in GC cells resulted in the inhibition of GC migration and invasion. Thus, our results suggested that miR-362-3p or CD82 can be exploited as a new potential target for control of GC in the future.

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Conflict of interest

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Authors and Affiliations

  1. Department of Clinical Laboratory, Kunshan First People’s Hospital, Affiliated to Jiangsu University, Kunshan, 215300, Jiangsu, China

    Qing-Hui Zhang, Yong-Liang Yao, Xiao-Yang Wu, Jian-Hong Wu, Tao Gu, Ling Chen, Jin-Hua Gu & Yun Liu

  2. Department of Gastroenterology, Shanghai Tongren Hospital, Affiliated to Shanghai Jiao Tong University School of Medicine, 1111 Xianxia Street, Shanghai, 200336, China

    Ling Xu

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  1. Qing-Hui Zhang
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  2. Yong-Liang Yao
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  4. Jian-Hong Wu
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  5. Tao Gu
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  6. Ling Chen
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  7. Jin-Hua Gu
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  9. Ling Xu
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Correspondence to Ling Xu.

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Zhang, QH., Yao, YL., Wu, XY. et al. Anti-miR-362-3p Inhibits Migration and Invasion of Human Gastric Cancer Cells by Its Target CD82. Dig Dis Sci 60, 1967–1976 (2015). https://doi.org/10.1007/s10620-015-3563-6

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  • DOI: https://doi.org/10.1007/s10620-015-3563-6

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