Proliferation marker securin identifies favourable outcome in invasive ductal breast cancer
2008

Securin as a Prognostic Marker in Breast Cancer

Sample size: 44 publication Evidence: moderate

Author Information

Author(s): Talvinen K, Tuikkala J, Nevalainen O, Rantanen A, Hirsimäki P, Sundström J, Kronqvist P

Primary Institution: Turku University Hospital, University of Turku

Hypothesis

Can securin serve as a reliable proliferation marker in invasive ductal breast cancer?

Conclusion

Securin immunostaining is a promising and clinically applicable proliferation marker that may help identify patients with a more favorable prognosis in invasive ductal breast cancer.

Supporting Evidence

  • Securin expression was significantly altered in invasive ductal breast cancer.
  • Low securin expression was associated with a more favorable prognosis.
  • Securin immunostaining showed a different stratification of breast cancer cases compared to traditional markers.

Takeaway

Securin is a protein that helps doctors understand how aggressive a breast cancer is, and low levels of it can mean a better chance of recovery.

Methodology

The study used cDNA microarrays and immunohistochemistry to analyze securin expression in breast cancer samples.

Potential Biases

Potential biases may arise from the small sample size and the reliance on specific cutoff points for immunohistochemical evaluations.

Limitations

The study had a small sample size and relatively short follow-up time.

Participant Demographics

Patients diagnosed with invasive ductal breast cancer, with a mean age of 63 years.

Statistical Information

P-Value

0.0270

Confidence Interval

1.3–40.1

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1038/sj.bjc.6604475

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