Survivin Expression in Pancreatic Cancer
Author Information
Author(s): Tonini G, Vincenzi B, Santini D, Scarpa S, Vasaturo T, Malacrino C, Coppola R, Magistrelli P, Borzomati D, Baldi A, Antinori A, Caricato M, Nuzzo G, Picciocchi A
Primary Institution: University Campus Bio-Medico, Rome
Hypothesis
The study investigates the prognostic role of apoptosis and apoptosis-involved proteins in pancreatic cancer patients.
Conclusion
Nuclear Survivin overexpression is associated with better prognosis, while cytoplasmic overexpression is a negative prognostic factor in pancreatic cancer.
Supporting Evidence
- Patients with positive nuclear Survivin showed longer overall survival than those with negative expression.
- Cytoplasmic Survivin expression was associated with shorter overall survival.
- The apoptotic index was a significant prognostic factor in univariate analysis.
Takeaway
This study found that where Survivin is located in cancer cells can tell us if patients will live longer or shorter after surgery.
Methodology
The study involved immunohistochemical staining to evaluate Survivin and Cox-2 expression and the TUNEL method to identify apoptotic cells in tumor specimens.
Potential Biases
Potential biases may arise from retrospective data collection and lack of standardized treatment protocols.
Limitations
The study did not standardize chemotherapy protocols and had a small number of patients receiving chemoradiation.
Participant Demographics
The cohort consisted of 67 patients (45 men and 22 women) with a median age of 63 years.
Statistical Information
P-Value
P=0.0009 for nuclear Survivin, P=0.0127 for cytoplasmic Survivin, P=0.0142 for apoptotic index.
Confidence Interval
95% CI for nuclear Survivin: 20.03–31.97; for cytoplasmic Survivin: 8.87–29.66.
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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