Cathepsin B as a Prognostic Factor in Lung Cancer
Author Information
Author(s): Werle B, Lötterle H, Schanzenbächer U, Lah T T, Kalman E, Kayser K, Bülzebruck H, Schirren J, Krasovec M, Kos J, Spiess E
Primary Institution: Thoraxklinik Heidelberg-Rohrbach, Germany
Hypothesis
The study evaluates the role of cathepsin B in non-small cell lung cancer as a prognostic factor.
Conclusion
Cathepsin B is an independent prognostic factor for overall survival in patients with squamous cell carcinoma of the lung.
Supporting Evidence
- Cathepsin B levels were significantly higher in tumor tissue compared to non-tumorous lung tissue.
- 59.5% of squamous cell carcinoma patients showed positive immunostaining for cathepsin B.
- Positive cathepsin B in tumor cells indicated shorter survival rates in squamous cell carcinoma patients.
Takeaway
This study found that a protein called cathepsin B can help predict how long lung cancer patients might live.
Methodology
The study measured cathepsin B levels and activities in lung tumor tissues and non-tumorous lung tissue, and analyzed immunostaining patterns.
Participant Demographics
Patients with non-small cell lung cancer, including squamous cell carcinoma and adenocarcinoma.
Statistical Information
P-Value
p<0.0001
Statistical Significance
p<0.001
Digital Object Identifier (DOI)
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