An investigation on the seasonal variations of the biomarkers of oxidative stress response and their correlations to Polonium-210 in mussel (Mytilus galloprovincialis) and common sole (Solea solea) from İzmir Bay, Turkey
2018
Aslan, Ersan | Uğur Görgün, Aysun | Katalay, Selma | Filizok, Işık | Becerik, Seda | Aydemir, Tülin
It is well known that the marine organisms are used as biological indicators for environmental pollution studies. Among these studies, the research on oxidative stress has been increasing in recent years. In this study, mussels (Mytilus galloprovincialis) and fish (Solea solea) samples were collected seasonally from İnciraltı, İzmir, Turkey. This station was in an area where fishing is carried out for human consumption. The relationship between ²¹⁰Po and oxidative stress markers (lipid peroxidation (LPO), H₂O₂ and proline) was investigated in the mussel tissue (digestive gland, gills) and fish tissue (liver, gills) samples. The present study indicated that H₂O₂ accumulated with increasing ²¹⁰Po concentration in mussel samples. Statistically significant correlation were found between H₂O₂ and ²¹⁰Po and LPO and proline in mussel samples. This correlation between LPO and proline can be attributed to common environmental parameters (other than ²¹⁰Po) affecting expression of both LPO and proline levels. There was not a significant correlation between ²¹⁰Po and LPO levels. Similarly, a significant correlation was not found between ²¹⁰Po and proline.
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