Evaluating Environmental Pollution by Applying Oxidative Stress ...

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5 (2013), 1519-1523. Original Research. Evaluating Environmental Pollution by Applying. Oxidative Stress Biomarkers as Bioindicators of Water Pollution in Fish.

Pol. J. Environ. Stud. Vol. 22, No. 5 (2013), 1519-1523

Original Research

Evaluating Environmental Pollution by Applying Oxidative Stress Biomarkers as Bioindicators of Water Pollution in Fish Morina Valon1*, Aliko Valbona2, Gavazaj Fahri3, Maxhuni Qenan4, Kastrati Dhurat5, Cakaj Fatmir3 1

Faculty of Geosciences and Technology, University of Prishtina, Mitrovice, Kosovo Department of Biology, Faculty of Natural Sciences, Tirana University, Tirana, Albania 3 University of Medical Sciences “Rezonance”, Prishtina, Kosovo 4 Environmental Protection Agency (KEPA) 5 Department of Biology, Faculty of Natural Sciences, University of Prishtina, Prishtine, Kosovo 2

Received: 10 October 2012 Accepted: 16 April 2013 Abstract Antioxidant enzyme activities of fish (Cyprinus carpio L.) were determined in order to detect the effects of pollution of the Sitnica River in Kosovo on fish physiology and biochemistry. Activities of three antioxidant defense enzymes as catalase (CAT), superoxide dismutase (SOD), and glutathione-S-transferase (GST) in the blood of fish were chosen as bioindicators. Fish (n=21) were sampled during March-May and AugustSeptember 2010-12 from Ferizaj, Vragoli, and Plemetin (Sitnica River). Plasmatic CAT, SOD, and GST were significantly higher (P

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