A 27 kDa heat shock protein that has anomalous prognostic powers in early and advanced breast cancer
1994

The Role of HSP27 in Breast Cancer Prognosis

Sample size: 361 publication Evidence: moderate

Author Information

Author(s): S. Love, R.J.B. King

Primary Institution: Imperial Cancer Research Fund

Hypothesis

How does HSP27 expression relate to disease-free survival and survival from first relapse in breast cancer patients?

Conclusion

HSP27 positivity is linked to prolonged survival from first relapse but shorter disease-free survival in breast cancer patients.

Supporting Evidence

  • HSP27 positivity predicted a prolonged survival from first relapse but a shorter disease-free survival.
  • The association between HSP27 and disease-free survival was statistically significant only in node-negative patients.
  • High levels of HSP27 staining correlated with rapid recurrence of breast cancer.

Takeaway

This study found that a protein called HSP27 can help predict how long someone with breast cancer might live without the disease coming back, but having high levels of it might mean they have a shorter time before the disease returns.

Methodology

The study involved a prospective immunohistochemical analysis of HSP27 in breast cancer patients, correlating it with disease-free survival and survival from first relapse.

Limitations

The study did not find HSP27 to be independently prognostic for overall survival.

Participant Demographics

Patients with operable breast cancer, specifically those with stage 1 or 2 disease.

Statistical Information

P-Value

0.04

Statistical Significance

p<0.05

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