Expression of c-erbB-2 protein product in bladder cancer
1990

c-erbB-2 Protein in Bladder Cancer

Sample size: 44 publication Evidence: moderate

Author Information

Author(s): C. Wright, K. Mellon, D.E. Neal, P. Johnston, I.P. Corbett, C.H.W. Horne

Primary Institution: University of Newcastle upon Tyne, Royal Victoria Infirmary

Hypothesis

The study investigates the relationship between c-erbB-2 protein expression and clinical outcomes in bladder cancer.

Conclusion

c-erbB-2 protein overexpression occurs in a significant proportion of bladder carcinomas and may be associated with muscle invasive tumors.

Supporting Evidence

  • 16 out of 44 bladder tumors showed c-erbB-2 protein expression.
  • Four of the five tumors with intense staining were muscle invasive.
  • Previous studies have linked c-erbB-2 overexpression to poorer prognosis in breast cancer.

Takeaway

This study looked at a protein called c-erbB-2 in bladder cancer and found that some tumors have a lot of it, which might mean they are more serious.

Methodology

The study used immunohistochemical techniques to assess c-erbB-2 protein levels in bladder cancer specimens.

Limitations

The study's findings are based on a relatively small sample size and may not be generalizable.

Participant Demographics

29 male and 15 female patients with a median age of 69 years.

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