NEDD9 Is a Positive Regulator of Epithelial-Mesenchymal Transition and Promotes Invasion in Aggressive Breast Cancer
2011

NEDD9 and Its Role in Breast Cancer Progression

Sample size: 84 publication 10 minutes Evidence: moderate

Author Information

Author(s): Kong Chenfei, Wang Changqing, Wang Liping, Ma Musong, Niu Chunbo, Sun Xiaoqian, Du Juan, Dong Zhixiong, Zhu Shan, Lu Jun, Huang Baiqu

Primary Institution: The Institute of Genetics and Cytology, Northeast Normal University, Changchun, People's Republic of China

Hypothesis

NEDD9 regulates epithelial-mesenchymal transition (EMT) and promotes invasion in aggressive breast cancer.

Conclusion

NEDD9 is frequently overexpressed in aggressive breast cancer and promotes EMT, migration, and invasion.

Supporting Evidence

  • NEDD9 expression was frequently upregulated in triple-negative breast cancer cell lines.
  • Knockdown of NEDD9 reduced migration, invasion, and proliferation of TNBC cells.
  • Ectopic overexpression of NEDD9 in mammary epithelial cells triggered EMT and increased cell motility.

Takeaway

NEDD9 is a protein that helps breast cancer cells move and spread, making the cancer more aggressive.

Methodology

The study involved analyzing NEDD9 expression in breast cancer tissues and cell lines, performing knockdown and overexpression experiments, and assessing migration and invasion capabilities.

Potential Biases

Potential bias in sample selection and the interpretation of results based on the specific cell lines used.

Limitations

The study primarily focused on in vitro experiments, which may not fully replicate in vivo conditions.

Participant Demographics

The study analyzed breast cancer tissues from 84 patients, including various subtypes.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0022666

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