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miR-218 inhibits gastric tumorigenesis through regulating Bmi-1/Akt signaling pathway

  • The First Affiliated Hospital of Xi’an Jiaotong University

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

Background: Previous studies indicated that miR-218 was deregulated in gastric cancer patients and correlated with tumor invasion and prognosis. The aim of this study was to clarify the effect of miR-218 on the malignant behavior of gastric cancer and its role in regulating Bmi-1/Akt signaling pathway. Materials and methods: We used miR-218 mimic to transfect gastric cancer cell lines AGS and SGC-7901, and the overexpression efficiency was validated using qRT-PCR assay. MTT assay and Transwell chamber system were performed to detect the effect of miR-218 on cell proliferation, invasion and migration on gastric cancer. Western blot and qRT-PCR assay was used to test the role of miR-218 in regulating Bmi-1/Akt signaling pathway. Results: As shown in our research, ectopic expression of miR-218 in gastric cancer cells inhibits the proliferation, invasion and migration of gastric cancer cells. In addition, miR-218 re-expression inhibits the expression of Bmi-1 and its downstream target p-Akt 473 , as well as MMPs and EMT process. Conclusions: miR-218 inhibits the proliferation, invasion and migration of gastric cancer cells through modulating EMT process and the expression of MMPs via Bmi-1/Akt signaling pathway.

Original languageEnglish
Pages (from-to)243-250
Number of pages8
JournalPathology Research and Practice
Volume215
Issue number2
DOIs
StatePublished - Feb 2019
Externally publishedYes

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being

Keywords

  • Akt
  • Bmi-1
  • EMT
  • Gastric cancer
  • MMPs
  • miR-218

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