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A study of relationship between stomach cancer and selenoproteins in Korean human blood serum
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  • Journal title : Analytical Science and Technology
  • Volume 28, Issue 6,  2015, pp.417-424
  • Publisher : The Korean Society of Analytical Science
  • DOI : 10.5806/AST.2015.28.6.417
 Title & Authors
A study of relationship between stomach cancer and selenoproteins in Korean human blood serum
Park, Myungsun; Pak, Yong-Nam;
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In this study, the relationship between selenoprotein concentrations in blood and stomach cancer have been searched for Korean. The concentration of each selenoprotein in blood serum was analyzed and the correlation between the concentration and stomach cancer was studied to find a potential for using Selenium as a biomarker. In concentration determination, a simple calibration curve method was used with the monitoring of m/z 78 without the use of solid phase extraction. This is a lot more simple than the method using SPE with post column isotope dilution. The result obtained from the analysis of CRM BCR-637, 72.20±3.35 ng·g−1, showed similar value of reference value (81±7 ng·g−1). The total concentration of Se for the controlled group, cardiovascular patients group, was 105.70±21.20 ng·g−1. This value was the same as normal healthy person reported earlier. Each selenoprotein concentration of GPx, SelP and SeAlb was 26.12±7.84, 65.15±14.50, 14.43±6.99 ng·g−1, respectively. The distribution of each selenoprotein was 24.7%, 61.6%, and 13.7%, which was similar to the normal person. The result of stomach cancer patients, the total concentration of Se was 76.11±28.12 ng·g−1 and each concentration of GPx, SelP and SeAlb was 15.41±9.01, 50.83±17.91, and 9.87±5.21 ng·g−1, respectively. The total and each selenoprotein concentration level showed significant decrease for the stomach cancer patients. The level of decrease was 41.0% for GPx, 22.0% for SelP, and 31.6% for SeAlb. However, the distribution of each selenoprotein was not much different. Either total Selenium or each selenoprotein could be used as a possible index for the diagnosis of cancer. However, in age group study, it is shown that young age group (30`s-40`s) did not show much difference.
stomach cancer;selenoproteins;Korean blood serum;AF HPLC-ICP/MS;GPx;SelP;SeAlb;
 Cited by
셀레늄의 동위원소 희석분석법에서 첨가 스파이크 동위원소 76Se, 77Se 및 78Se들의 비교분석,김리원;이서영;박용남;

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