CDH1 promoter hypermethylation and E-cadherin protein expression in infiltrating breast cancer
2006

CDH1 Methylation and E-cadherin in Breast Cancer

Sample size: 79 publication Evidence: moderate

Author Information

Author(s): Caldeira José Roberto F, Prando Érika C, Quevedo Francisco C, Neto Francisco A Moraes, Rainho Cláudia A, Rogatto Silvia R

Primary Institution: Amaral Carvalho Hospital, Jaú, Sao Paulo, Brazil

Hypothesis

The study aims to assess the correlation between CDH1 gene methylation and E-cadherin expression in breast cancer.

Conclusion

Abnormal CDH1 methylation occurs frequently in infiltrating breast cancers and is associated with decreased E-cadherin expression in some cases.

Supporting Evidence

  • CDH1 hypermethylation was observed in 72% of the breast cancer cases studied.
  • Reduced E-cadherin protein levels were found in 85% of the samples.
  • A correlation was noted between CDH1 methylation and reduced expression of estrogen and progesterone receptors.

Takeaway

This study found that many breast cancer tumors have a change in a gene that helps cells stick together, which might make the cancer grow and spread more easily.

Methodology

Methylation-Specific Polymerase Chain Reaction (MSP) was used to assess the methylation pattern of the CDH1 gene and its correlation with E-cadherin expression in breast cancer samples.

Limitations

The study's findings need confirmation through further research.

Participant Demographics

Patients with primary breast cancer, including various histological types.

Statistical Information

P-Value

0.0301

Statistical Significance

p = 0.0301

Digital Object Identifier (DOI)

10.1186/1471-2407-6-48

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