Proapoptotic genes BAX and CD40L are predictors of survival in transitional cell carcinoma of the bladder
2003

Proapoptotic Genes BAX and CD40L as Predictors of Bladder Cancer Survival

Sample size: 94 publication 10 minutes Evidence: high

Author Information

Author(s): Hussain S A, Ganesan R, Hiller L, Murray P G, El-Magraby M M, Young L, James N D

Primary Institution: Cancer Research UK Institute For Cancer Studies, University of Birmingham

Hypothesis

The expression levels of proapoptotic genes BAX and CD40L can predict survival outcomes in patients with transitional cell carcinoma of the bladder.

Conclusion

Higher expression of the proapoptotic gene BAX and the CD40L is associated with improved survival in bladder cancer patients.

Supporting Evidence

  • Patients with high BAX expression had a median survival of 110 months compared to 18 months for those with low expression.
  • Overexpression of CD40L was significantly associated with improved survival outcomes.
  • Statistical analysis showed significant associations between BAX, CD40, and CD40L expression levels.

Takeaway

This study found that certain genes can help doctors predict how long bladder cancer patients might live, with some genes linked to better survival.

Methodology

Immunohistochemical analysis of paraffin-embedded tissue samples from 94 patients with transitional cell carcinoma of the bladder.

Potential Biases

Potential biases may arise from the selection of patients and the subjective nature of immunohistochemical staining evaluations.

Limitations

The study's findings may not be generalizable due to the specific patient population and the retrospective nature of the analysis.

Participant Demographics

The study included 94 patients (74 males, 20 females) with a median age of 67 years.

Statistical Information

P-Value

0.0002

Confidence Interval

95% CI 1.34–2.33

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1038/sj.bjc.6600765

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