期刊
MARINE POLLUTION BULLETIN
卷 163, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.marpolbul.2020.111905
关键词
Oxidative stress biomarkers; Harbour seal; Phoca vitulina; Trace elements; Red blood cells; Serum
资金
- [AZ 312-72241.121-19]
This preliminary study investigated the potential correlations between trace elements concentrations in red blood cells and oxidative stress biomarkers assessed in serum of male and female P. vitulina. The study found significant positive and negative correlations between biomarkers and trace element concentrations, suggesting that the studied biomarkers could be useful for the assessment of oxidative stress in harbour seals exposed to trace elements. Further research with larger sample sizes is needed to better understand their specific associations.
This preliminary study investigated the potential correlations between trace elements (mercury, zinc, cadmium, copper, selenium, lead, nickel, chromium, lithium and vanadium) concentrations, measured in red blood cells, and oxidative stress biomarkers (total thiols, total glutathione, total and selenium-dependent glutathione peroxidases, triglycerides, malondialdehyde) assessed in the respective serum, in males and females P. vitulina, sampled in the Wadden Sea in spring and autumn 2015. Only concentrations of total mercury and zinc showed significant differences by sex, and only lipid peroxidation was different by season. Moreover, significant positive and negative correlations were observed between biomarkers (triglycerides, thiols, malondialdehyde, glutathione) and trace element concentrations (copper, lead, mercury, nickel, zinc). These findings suggest that the studied biomarkers could be useful for the assessment of oxidative stress in harbour seals exposed to trace elements, but further research with larger sample sizes is needed to better understand their specific associations.
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