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Chronic Effects of Tributyltin on Multiple Biomarkers Responses in Juvenile Common Carp, Cyprinus carpio

文献类型： 外文期刊

作者： Li, Zhi-Hua 1 ; Li, Ping 1 ; Shi, Ze-Chao 1 ;

作者机构： 1.Chinese Acad Fishery Sci, Key Field Stn Fishery Resource & Environm Upper M, Key Lab Freshwater Biodivers Conservat, Minist Agr,Yangtze River Fisheries Res Inst, Wuhan 430223, Peoples R China

2.Univ South Bohemia Ceske Budejovice, Res Inst Fish Culture & Hydrobiol, Fac Fisheries & Protect Waters, South Bohemian Res Ctr Aquaculture & Biodivers Hy, Zatisi 728-2, Vodnany 38925, Czech Republic

关键词： fish; tributyltin; morphological indices; ROS generation; ATPase activity

期刊名称：ENVIRONMENTAL TOXICOLOGY （ 影响因子：4.119； 五年影响因子：3.404 ）

ISSN： 1520-4081

年卷期： 2016 年 31 卷 8 期

页码：

收录情况： SCI

摘要： In this study, the chronic toxic effects of tributyltin (TBT), an antifouling paints commonly present in surface and ground water, on morphological indices, reactive oxygen species (ROS) generation, and ATPase activity and heat shock protein (Hsp) 70 protein in tissues (liver, gill, and white muscle) of common carp were investigated. Fish were exposed at sublethal concentrations of TBT (75 ng/L, 0.75 mu g/L, and 7.5 mu g/L) for 60 days. When compared with the control, there was significant lower condition factor in fish exposed at the higher concentration of TBT. ROS levels in three tissues increased significantly at higher TBT concentrations (0.75 and 7.5 mu g/L). The hepatic antioxidant enzymes (total antioxidative capacity and superoxide dismutase) activities were induced at higher concentrations (0.75 mu g/L) of TBT. When compared with the hepatic antioxidant enzymes activities in fish exposed to 0.75 mu g/L of TBT, there was a decreasing trend in those exposed to TBT with a concentration of 7.5 mu g/L. However, all the antioxidant enzymes activities were significantly inhibited in gill and muscle of fish exposed to higher TBT concentrations (0.75 and 7.5 mu g/L). Moreover, there was significant lower Na-K-ATPase in three tissues after long-term exposure to higher concentration of TBT, but a significant higher Hsp70 protein levels was observed. In short, environmental concentrations of TBT could not induce obvious impacts on fish, but long-term exposure to higher concentrations of TBT could affect seriously the health status of fish. (C) 2015 Wiley Periodicals, Inc.

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