Low ALDH1A1 Expression Linked to Poor Survival in Pancreatic Cancer
Author Information
Author(s): Kahlert Christoph, Bergmann Frank, Beck Janine, Welsch Thilo, Mogler Carolin, Herpel Esther, Dutta Shamik, Niemietz Thomas, Koch Moritz, Weitz Jürgen
Primary Institution: University of Heidelberg
Hypothesis
Is low expression of ALDH1A1 a prognostic marker for poor survival in pancreatic cancer?
Conclusion
Low expression of ALDH1A1 is an independent adverse prognostic marker for overall survival in pancreatic cancer.
Supporting Evidence
- ALDH1A1 was expressed in 74% of pancreatic cancer cases studied.
- High expression of ALDH1A1 correlated with increased tumor cell proliferation.
- Patients with low ALDH1A1 expression had a median overall survival of 16.3 months.
Takeaway
If a patient has low levels of a protein called ALDH1A1 in their pancreatic cancer, they might not live as long as someone with higher levels of this protein.
Methodology
The study used immunohistochemistry on whole-mount tissue sections and correlated results with clinical data.
Potential Biases
Potential bias in patient selection and the retrospective design may affect the results.
Limitations
The study's findings may not be generalizable due to the specific patient cohort and the retrospective nature of the analysis.
Participant Demographics
Patients with pancreatic ductal adenocarcinoma who underwent tumor resection between 2002 and 2005.
Statistical Information
P-Value
0.012
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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