Snail Expression in Adrenocortical Carcinoma and Its Impact on Survival
Author Information
Author(s): Waldmann J, Feldmann G, Slater E P, Langer P, Buchholz M, Ramaswamy A, Saeger W, Rothmund M, Fendrich V
Primary Institution: Philipps-Universität Marburg
Hypothesis
Is Snail expression in adrenocortical carcinoma related to patient outcomes?
Conclusion
Snail expression is associated with decreased survival, advanced disease, and a higher risk of developing distant metastases in adrenocortical carcinoma patients.
Supporting Evidence
- 65% of adrenocortical carcinoma samples expressed Snail.
- Patients with Snail-positive tumors had a median survival of 34 months compared to 127 months for Snail-negative tumors.
- Snail expression was associated with advanced disease stage in 11 out of 12 patients.
Takeaway
This study found that a protein called Snail is present in many adrenocortical cancer cases, and having it means patients might not live as long and could get worse faster.
Methodology
Immunohistochemistry and real-time quantitative RT-PCR were used to assess Snail expression in tumor samples and correlate it with clinical outcomes.
Potential Biases
Potential selection bias due to the retrospective nature of the study.
Limitations
The study had a small sample size and limited follow-up duration for some patients.
Participant Demographics
26 patients (8 male, 18 female) with a median age of 47.5 years.
Statistical Information
P-Value
P=0.03
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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