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Identifying and validating PLAU as a potential prognostic biomarker for PDAC.
Peng An1, Junhong Wang2, Rong Fan3
1Material Evidence Technology Center, School of Law, Tianjin University of Commerce, Tianjin, 300134, China. anpeng19831021@tjcu.edu.cn.
Scientific Reports
|April 11, 2025
Summary
This study identifies plasminogen activator urokinase (PLAU) as a potential biomarker for early pancreatic cancer diagnosis. PLAU knockdown inhibits pancreatic cancer cell proliferation, suggesting its role in disease progression.
Area of Science:
- Oncology
- Molecular Biology
- Biomarker Discovery
Background:
- Pancreatic ductal adenocarcinoma (PDAC) presents a significant global health challenge due to its high mortality rate.
- Early diagnosis is crucial for improving patient outcomes in PDAC.
- Identifying reliable biomarkers is essential for timely detection and intervention.
Purpose of the Study:
- To identify and validate novel biomarkers for the early diagnosis of pancreatic ductal adenocarcinoma (PDAC).
- To investigate the role of identified biomarkers in pancreatic cancer cell behavior.
Main Methods:
- Utilized GEO2R for screening differentially expressed genes (DEGs) in PDAC.
- Constructed protein-protein interaction networks and performed functional enrichment analysis.
- Conducted survival prognosis analysis and validated gene/protein expression levels, including PLAU knockdown experiments.
Main Results:
- Identified 260 differentially expressed genes (165 upregulated, 95 downregulated) in PDAC.
- Selected plasminogen activator urokinase (PLAU) as a key candidate biomarker through integrated analysis.
- Demonstrated that PLAU knockdown significantly inhibits pancreatic cancer cell proliferation and survival.
Conclusions:
- Plasminogen activator urokinase (PLAU) shows promise as a potential diagnostic biomarker for pancreatic cancer.
- PLAU may play a critical role in the pathological mechanisms of PDAC progression.
- Further research into PLAU could lead to new diagnostic strategies and therapeutic targets for pancreatic cancer.
