Asian Pacific Journal of Cancer Prevention

Asian Pacific Journal of Cancer Prevention (아시아태평양암예방학회)
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miRNA-1297 Induces Cell Proliferation by Targeting Phosphatase and Tensin Homolog in Testicular Germ Cell Tumor Cells

  • Yang, Nian-Qin (Department of Urology, Zhongshan Hospital, Fudan University) ;
  • Zhang, Jian (Department of Urology, Zhongshan Hospital, Fudan University) ;
  • Tang, Qun-Ye (Department of Urology, Zhongshan Hospital, Fudan University) ;
  • Guo, Jian-Ming (Department of Urology, Zhongshan Hospital, Fudan University) ;
  • Wang, Guo-Min (Department of Urology, Zhongshan Hospital, Fudan University)
  • Published : 2014.08.15
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Abstract

To investigate the role of miR-1297 and the tumor suppressor gene PTEN in cell proliferation of testicular germ cell tumors (TGCT). MTT assays were used to test the effect of miR-1297 on proliferation of the NCCIT testicular germ cell tumor cell line. In NCCIT cells, the expression of PTEN was assessed by Western blotting further. In order to confirm target association between miR-1297 and 3'-UTR of PTEN, a luciferase reporter activity assay was employed. Moreover, roles of PTEN in proliferation of NCCIT cells were evaluated by transfection of PTEN siRNA. Proliferation of NCCIT cells was promoted by miR-1297 in a concentration-dependent manner. In addition, miR-1297 could bind to the 3'-UTR of PTEN based on luciferase reporter activity assay, and reduced expression of PTEN at protein level was found. Proliferation of NCCIT cells was significantly enhanced after knockdown of PTEN by siRNA. miR-1297 as a potential oncogene could induce cell proliferation by targeting PTEN in NCCIT cells.

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References

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