Caveolin 1 and Caveolin 2 are associated with breast cancer basal-like and triple-negative immunophenotype
2008

Caveolin 1 and Caveolin 2 in Breast Cancer

Sample size: 880 publication Evidence: moderate

Author Information

Author(s): Elsheikh S E, Green A R, Rakha E A, Samaka R M, Ammar A A, Powe D, Reis-Filho J S, Ellis I O

Primary Institution: Department of Histopathology, School of Molecular Medical Sciences, Nottingham, UK

Hypothesis

CAV1 and CAV2 expressions are associated with the basal-like phenotype in breast cancer.

Conclusion

CAV1 and CAV2 are associated with basal-like phenotype in breast cancer, but further studies are needed to clarify their role in cancer development.

Supporting Evidence

  • CAV1 and CAV2 expression was observed in 13.4% and 5.9% of all breast cancer cases, respectively.
  • Both proteins were significantly associated with high histological grade and lack of steroid hormone receptor positivity.
  • CAV2 had a prognostic impact on breast cancer-specific survival in univariate analysis.

Takeaway

This study looked at two proteins, CAV1 and CAV2, in breast cancer to see if they are linked to a specific type of cancer that is harder to treat.

Methodology

CAV1 and CAV2 expression was assessed using immunohistochemistry on a tissue microarray of 880 invasive breast cancer cases.

Potential Biases

Potential bias due to the retrospective nature of the study and the limited number of certain patient groups.

Limitations

The study is retrospective and exploratory, and the number of patients with grade 1, CAV1-positive breast cancers was limited.

Participant Demographics

Patients diagnosed with invasive breast cancer between 1986 and 1998.

Statistical Information

P-Value

p<0.001

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1038/sj.bjc.6604463

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