Allele-Specific Up-Regulation of FGFR2 Increases Susceptibility to Breast Cancer
2008

FGFR2 Gene and Breast Cancer Risk

Sample size: 170 publication Evidence: moderate

Author Information

Author(s): Kerstin B. Meyer, Ana-Teresa Maia, Martin O'Reilly, Andrew E. Teschendorff, Suet-Feung Chin, Carlos Caldas, Bruce A. J. Ponder

Primary Institution: Cancer Research UK, Cambridge Research Institute

Hypothesis

Does the up-regulation of FGFR2 increase susceptibility to breast cancer?

Conclusion

The study found that specific genetic variations in the FGFR2 gene are associated with increased expression of the gene, which may contribute to a higher risk of developing breast cancer.

Supporting Evidence

  • The FGFR2 gene is associated with a small but significant increase in breast cancer risk.
  • Increased FGFR2 expression was observed in tumors with the rare homozygous genotype.
  • Two specific SNPs were identified that alter transcription factor binding and increase FGFR2 expression.

Takeaway

Some people have a gene that makes them more likely to get breast cancer. This study looked at how changes in that gene can make it work more, which might lead to more cancer.

Methodology

The study used genetic mapping, gene expression analysis, and protein-DNA interaction assays to investigate the role of FGFR2 in breast cancer susceptibility.

Potential Biases

Potential bias may arise from the selection of tumor samples and the specific populations studied.

Limitations

The study primarily focused on European populations, which may limit the generalizability of the findings to other ethnic groups.

Participant Demographics

The study involved European individuals with breast cancer.

Statistical Information

P-Value

0.028

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pbio.0060108

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication