Aberrant methylation of the Adenomatous Polyposis Coli (APC) gene promoter is associated with the inflammatory breast cancer phenotype
2008

Hypermethylation of APC in Inflammatory Breast Cancer

Sample size: 105 publication Evidence: moderate

Author Information

Author(s): Ilse Van der Auwera, Steven Van Laere, SM Van den Bosch, GG Van den Eynden, BX Trinh, PA van Dam, CG Colpaert, MA van Engeland, EA Van Marck, PB Vermeulen, LY Dirix

Primary Institution: Translational Cancer Research Group Antwerp, University of Antwerp

Hypothesis

To explore the role of APC methylation in the inflammatory breast cancer (IBC) phenotype.

Conclusion

The study reports an association of aberrant methylation of the APC gene promoter with the IBC phenotype, which may have biological and clinical significance.

Supporting Evidence

  • 71% of IBC samples showed APC hypermethylation compared to 43% of non-IBC samples.
  • APC methylation levels were significantly higher in IBC compared to non-IBC.
  • APC methylation was associated with histological grade and tumor stage.

Takeaway

This study found that a gene related to cancer, called APC, is often changed in a specific type of breast cancer, which could help doctors understand and treat this disease better.

Methodology

The study used conventional and real-time quantitative methylation-specific PCR to analyze APC methylation in breast tumor samples.

Limitations

The study was limited by the small sample size and the focus on a candidate gene approach.

Participant Demographics

Patients' ages ranged from 24 to 89 years, with mean ages of 60 years for IBC and 63 years for non-IBC.

Statistical Information

P-Value

P=0.047

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1038/sj.bjc.6604705

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