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KMID : 0939920160480031056
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대한암학회지
2016 Volume.48 No. 3 p.1056 ~ p.1064
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Serum Concentrations of Selenium and Copper in Patients Diagnosed with Pancreatic Cancer
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Marcin R. Lener
Rodney J. Scott
Anna Wiechowska-Kozłowska
Pablo Serrano-Fernandez
Piotr Baszuk
Katarzyna Jaworska-Bieniek
Grzegorz Sukiennicki
Tomasz Gromowski
Katarzyna Kaczmarek
Anna Jakubowska
Jan Lubi?ski
Wojciech Marciniak
Magdalena Muszy?ska
Jozef Kładny
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Abstract
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Purpose: Understanding of the etiology and pathogenesis of pancreatic cancer (PaCa) is still insufficient. This study evaluated the associations between concentrations of selenium (Se) and copper (Cu) in the serum of PaCa patients.
Materials and Methods: The study included 100 PaCa patients and 100 control subjects from the same geographical region in Poland. To determine the average concentration of Se, Cu, and ratio Cu:Se in the Polish population, assay for Se and Cu was performed in 480 healthy individuals. Serum levels of Se and Cu were measured using inductively coupled plasma mass spectrometry.
Results: In the control group, the average Se level was 76 μg/L and Cu 1,098 μg/L. The average Se level among PaCa patients was 60 μg/L and the mean Cu level was 1,432 μg/L. The threshold point at which any decrease in Se concentration was associated with PaCa was 67.45 μg/L. The threshold point of Cu level above which there was an increase in the prevalence of PaCa was 1,214.58 μg/L. In addition, a positive relationship was observed between increasing survival time and Se plasma level.
Conclusion: This retrospective study suggests that low levels of Se and high levels of Cu might influence development of PaCa and that higher levels of Se are associated with longer survival in patients with PaCa. The results suggest that determining the level of Se and Cu could be incorporated into a risk stratification scheme for the selection and surveillance control examination to complement existing screening and diagnostic procedures.
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KEYWORD
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Selenium, Copper, Pancreatic neoplasms, Retrospective studies
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