Japanese Journal of Clinical Oncology Advance Access published online on June 3, 2005
Japanese Journal of Clinical Oncology, doi:10.1093/jjco/hyi094
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1 Division of Oncology-Hematology, Department of Medicine, Yeungnam University College of Medicine, Daegu, Korea
* To whom correspondence should be addressed. Objective: E-cadherin (ECD) and urokinase plasminogen activator (uPA) have been noted as markers for tumor metastasis and prognosis in several tumors. We thus investigated the relationship between the expression of ECD and uPA and the clinicopathological characteristics in pancreatic cancer. Methods: The expression of ECD and uPA was evaluated in pancreatic cancer tissues from 53 patients. Results: Among 53 tumor tissues, those from 29 (54.7%) patients showed positive ECD expression and those from 22 (41.5%) patients showed positive expression of uPA. There were four subgroups of ECD/uPA expression: ECD-positive/uPA-negative, ECD-negative/uPA-negative, ECD-positive/uPA-positive and ECD-negative/uPA-positive. These patterns were found in 14 (26.4%), 11 (20.8%), nine (17%) and 19 (35.8%) patients, respectively. The tumor tissues with ECD-negative and uPA-positive expression were associated with larger tumor, distant metastasis and an increased clinical stage. There was a difference in the median survival time between the patients with ECD-positive/uPA-negative pancreatic tissues (median: 18.7 months) and the patients with ECD-negative/uPA-positive pancreatic tissues (median: 7.5 months, P < 0.05), and there was a statistically significant difference in survival curves between these two groups. Conclusion: The combined analysis concerning uPA and E-cadherin expression may be a useful predictor of metastasis in pancreactic cancer.
Received February 10, 2005
Accepted April 27, 2005
Original Article
Expression of E-Cadherin and uPA and their Association with the Prognosis of Pancreatic Cancer
2 Department of Pathology, Yeungnam University College of Medicine, Daegu, Korea
3 Keimyung University, Daegu, Korea
Kyung Hee Lee, E-mail: lkhee{at}med.yu.ac.kr
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