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Updated: Mar 11, 2026
12:59
A Study of the Complexation of MercuryII with Dicysteinyl Tetrapeptides by Electrospray Ionization Mass Spectrometry
Published on: January 8, 2016
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Toenail mercury and dyslipidemia: Interaction with selenium
1Department of Food and Nutrition, Yeungnam University, Gyeongsan, Gyeongbuk, Republic of Korea.
Summary
Chronic mercury exposure, particularly from fish, increases the risk of dyslipidemia. However, adequate selenium intake can mitigate these harmful effects in humans, suggesting dietary recommendations are crucial.
Area of Science:
- Environmental Health
- Nutritional Science
- Cardiovascular Health
Background:
- Limited research exists on chronic mercury exposure and dyslipidemia.
- The role of selenium in modifying mercury's impact on lipid profiles in humans is understudied.
Purpose of the Study:
- To investigate the association between toenail mercury levels and dyslipidemia.
- To determine if toenail selenium levels modify the mercury-dyslipidemia relationship.
Main Methods:
- Cross-sectional analysis of 501 South Korean adults.
- Quantification of toenail mercury and selenium via neutron activation analysis.
- Assessment of lipid profiles and calculation of odds ratios for dyslipidemia using logistic regression.
Main Results:
- Higher toenail mercury levels correlated with increased risk of hyper-LDL-cholesterolemia and dyslipidemia.
- Selenium significantly modified these associations, with higher mercury levels linked to greater dyslipidemia risk only at lower selenium levels (≤0.685μg/g).
Conclusions:
- Selenium exhibits protective effects against mercury-induced dyslipidemia in populations with high fish consumption.
- Findings support dietary recommendations for optimal fish and selenium intake to manage mercury exposure risks.
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