Down-Regulation of NDRG1 Promotes Migration of Cancer Cells during Reoxygenation
2011

NDRG1 and Cancer Cell Migration during Reoxygenation

publication Evidence: moderate

Author Information

Author(s): Lai Liang-Chuan, Su Yi-Yu, Chen Kuo-Chih, Tsai Mong-Hsun, Sher Yuh-Pyng, Lu Tzu-Pin, Lee Chien-Yueh, Chuang Eric Y.

Primary Institution: National Taiwan University

Hypothesis

Does down-regulation of NDRG1 promote migration of cancer cells during reoxygenation?

Conclusion

The study found that down-regulation of NDRG1 significantly promotes the migration of breast cancer cells during reoxygenation.

Supporting Evidence

  • 127 differentially expressed genes were identified during reoxygenation.
  • NDRG1 was significantly down-regulated upon reoxygenation.
  • Overexpression of NDRG1 inhibited cell migration in MCF-7 cells.

Takeaway

When cancer cells get more oxygen after being starved of it, they can move around more easily if a certain protein called NDRG1 is turned down.

Methodology

Breast cancer MCF-7 cells were cultured under hypoxia followed by reoxygenation, and gene expression was analyzed using microarrays.

Statistical Information

P-Value

<0.0001

Statistical Significance

p<0.01

Digital Object Identifier (DOI)

10.1371/journal.pone.0024375

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