KMID : 0939920160480031056
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´ëÇѾÏÇÐȸÁö 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-Koz©©owska 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 K©©adny
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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 ¥ìg/L and Cu 1,098 ¥ìg/L. The average Se level among PaCa patients was 60 ¥ìg/L and the mean Cu level was 1,432 ¥ìg/L. The threshold point at which any decrease in Se concentration was associated with PaCa was 67.45 ¥ìg/L. The threshold point of Cu level above which there was an increase in the prevalence of PaCa was 1,214.58 ¥ìg/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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