GPR54 (KISS1R) Transactivates EGFR to Promote Breast Cancer Cell Invasiveness
2011

Kisspeptin Promotes Breast Cancer Invasion

publication Evidence: moderate

Author Information

Author(s): Zajac Mateusz, Law Jeffrey, Cvetkovic Dragana Donna, Pampillo Macarena, McColl Lindsay, Pape Cynthia, Di Guglielmo Gianni M., Postovit Lynne M., Babwah Andy V., Bhattacharya Moshmi

Primary Institution: The University of Western Ontario

Hypothesis

Does kisspeptin signaling promote breast cancer cell invasiveness and what are the underlying mechanisms?

Conclusion

Kisspeptin-10 stimulates breast cancer cell invasiveness through the transactivation of the epidermal growth factor receptor.

Supporting Evidence

  • Kisspeptin-10 significantly stimulated cell invasion in breast cancer cell lines.
  • Kisspeptin-10 increased MMP-9 activity, which is associated with cancer invasiveness.
  • Kisspeptin-10 transactivates EGFR, which is crucial for promoting breast cancer cell invasion.
  • Knockdown of β-arrestin 2 inhibited kisspeptin-induced invasion and EGFR transactivation.

Takeaway

Kisspeptin helps breast cancer cells move and invade more, which is important for cancer spreading.

Methodology

The study used Transwell chamber assays and three-dimensional invasion assays to assess the effects of kisspeptin-10 on breast cancer cell invasion.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0021599

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