Down-regulation of miR-27a might inhibit proliferation and drug resistance of gastric cancer cells
2011

The Role of miR-27a in Gastric Cancer

Sample size: 12 publication Evidence: moderate

Author Information

Author(s): Zhao Xiaohong, Yang Li, Hu Jianguo

Primary Institution: Institute of Digestive Disease, Subsidary Hospital, The Medical University of Ningxia Province, Yin'chuan, 750001, Ningxia Province, China

Hypothesis

The study aimed to investigate the role of miR-27a in proliferation and multidrug resistance of gastric cancer cells.

Conclusion

Down-regulation of miR-27a might inhibit proliferation and drug resistance of gastric cancer cells.

Supporting Evidence

  • Down-regulation of miR-27a significantly inhibited proliferation of MKN45 cells.
  • Down-regulation of miR-27a increased drug sensitivity in gastric cancer cells.
  • MiR-27a down-regulation decreased the expression of P-glycoprotein.

Takeaway

This study found that lowering miR-27a can help stop stomach cancer cells from growing and make them more sensitive to drugs.

Methodology

The study used various assays including MTT, soft agar, flow cytometry, and animal models to assess the effects of miR-27a on gastric cancer cells.

Participant Demographics

The study involved human gastric cancer cell line MKN45 and athymic nu/nu mice.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1756-9966-30-55

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