The direct effect of Focal Adhesion Kinase (FAK), dominant-negative FAK, FAK-CD and FAK siRNA on gene expression and human MCF-7 breast cancer cell tumorigenesis
2009

The Role of Focal Adhesion Kinase in Breast Cancer

Sample size: 5 publication 10 minutes Evidence: high

Author Information

Author(s): Vita Golubovskaya, Min Zheng, Li Zhang, Jian-Liang Li, William G Cance

Primary Institution: Roswell Park Cancer Institute

Hypothesis

What is the direct effect of Focal Adhesion Kinase (FAK) on gene expression and tumorigenesis in MCF-7 breast cancer cells?

Conclusion

FAK expression increases tumorigenesis in MCF-7 breast cancer cells, while its silencing decreases tumor growth.

Supporting Evidence

  • Induction of FAK resulted in significant increased tumorigenesis.
  • Silencing of FAK with siRNA caused increased cell rounding and decreased cell viability.
  • Over 4300 genes were significantly regulated by FAK siRNA.

Takeaway

FAK helps breast cancer cells grow and spread, but if we turn it off, the cancer cells don't grow as much.

Methodology

The study used a Tet-ON system to induce FAK expression in MCF-7 cells and assessed tumor growth in nude mice.

Potential Biases

Potential bias in the selection of cell lines and experimental conditions.

Limitations

The study primarily focused on a single breast cancer cell line and may not generalize to all breast cancer types.

Participant Demographics

Female nude mice were used for in vivo experiments.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1471-2407-9-280

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