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MiR-15a inhibits cell proliferation and epithelial to mesenchymal transition in pancreatic ductal adenocarcinoma by down-regulating Bmi-1 expression

  • Shixiang Guo
  • , Xuejun Xu
  • , Yichen Tang
  • , Chaobin Zhang
  • , Jian Li
  • , Yongsheng Ouyang
  • , Jingfang Ju
  • , Ping Bie
  • , Huaizhi Wang
  • Army Medical University

Research output: Contribution to journalArticlepeer-review

82 Scopus citations

Abstract

Purposes: To investigate whether miR-15a inhibits cell proliferation and epithelial-mesenchymal transition (EMT) in pancreatic ductal adenocarcinoma (PDAC) via the down-regulation of B cell-specific moloney murine leukemia virus insertion site 1 (Bmi-1) expression. Methods and Results: miR-15a and Bmi-1 expressions in normal pancreatic tissue and PDAC tissue were measured. The relationship between miR-15a and Bmi-1 expression was analyzed. We found that miR-15a suppressed the expression of Bmi-1 and PDAC cell proliferation; E-cadherin expression was visibly up-regulated after silencing Bmi-1 by transfecting miR-15a into PDAC cell line. Conclusion: miR-15a inhibits cell proliferation and EMT in PDAC via the down-regulation of Bmi-1 expression.

Original languageEnglish
Pages (from-to)40-46
Number of pages7
JournalCancer Letters
Volume344
Issue number1
DOIs
StatePublished - Mar 1 2014

Keywords

  • Bmi-1
  • EMT
  • MiR-15a
  • Pancreatic ductal adenocarcinoma
  • Proliferation

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