Volume 10, Issue 3 (12-2017)                   ijhe 2017, 10(3): 339-348 | Back to browse issues page

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Bita S, Mesbah M, Shahryari A, Ghorbanpoor Najafabadi M. Effects of silver nanoparticles synthesized by bioreduction method on gill antioxidant defense system response of common carp, Cyprinus carpio. ijhe. 2017; 10 (3) :339-348
URL: http://ijhe.tums.ac.ir/article-1-5829-en.html
1- Department of Fisheries, Faculty of Marine Sciences, Chabahar Maritime University, Chabahar, Iran , serajbita@yahoo.com
2- Department of Clinical Sciences, Faculty of Veterinary, Shahid Chamran University of Ahvaz, Ahvaz, Iran
3- Department of Basic Sciences, Faculty of Veterinary, Shahid Chamran University of Ahvaz, Ahvaz, Iran
4- Department of Pathobiology, Faculty of Veterinary, Shahid Chamran University of Ahvaz, Ahvaz, Iran
Abstract:   (1290 Views)
Background and Objective: Nanoparticles are already widely used in technology, medicine and consumer products, but there are limited data on their effects on the aquatic environments. The aim of this study was to evaluate the response of antioxidant defense system in common carp gills exposed to silver nanoparticles, which are produced by bioreduction method.
Materials and Methods: Common carp fish were exposed to the silver nanoparticles at concentrations of 0.11, 1.13 and 5.67 mg/L for 14 days. A treatment without silver was considered as a control. After sampling, 1 g of gill was weighed and homogenized in 5 mL phosphate buffer. The homogenized samples were analyzed for measuring the activity of catalase (CAT), superoxide dismutase (SOD), glutathione (GSH), total antioxidant capacity (TAC) and malondialdehyde (MDA).
Results: CAT activity in gill at the concentrations of 1.13 and 5.67 mg/L AgNPs was significantly reduced compared to that of the control (p<0.05). When the activities of GSH and TAC of different treatments and the control were compared, no significant difference (p>0.05) was observed. Activity of SOD and MDA of all treatments sampled at different days was fluctuated, that is, it was either increased or decreased. However, superoxide dismutase activity was significantly higher in exposure to concentrations of 5.67 mg/L and 1.13 mg/L.
Conclusion: According to the results, fish gills are one of the most susceptible organs of oxidative damage in exposure to silver nanoparticles. This can affect the health of common carp and thus increase the risk of disease in the fish.
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Type of Study: Research | Subject: General
Received: 2017/01/1 | Accepted: 2017/11/4 | Published: 2017/12/12

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