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Influence of environmental related concentrations of heavy metals on motility parameters and antioxidant responses in sturgeon sperm

文献类型: 外文期刊

作者: Li, Zhi-Hua 1 ; Li, Ping 1 ; Dzyuba, Borys 1 ; Randak, Tomas 1 ;

作者机构: 1.Univ S Bohemia Ceske Budejovice, Fac Fisheries & Protect Waters, S Bohemian Res Ctr Aquaculture & Biodivers Hydroc, Vodnany 38925, Czech Republic

2.Chinese Acad Fishery Sci, Yangtze River Fisheries Res Inst, Jinzhou 434000, Peoples R China

3.Natl Acad Sci Ukraine, Inst Problems Cryobiol & Cryomed, UA-61015 Kharkov, Ukraine

关键词: Sterlet sperm;Heavy metal;motility;Oxidative stress;PCA

期刊名称:CHEMICO-BIOLOGICAL INTERACTIONS ( 影响因子:5.192; 五年影响因子:4.61 )

ISSN: 0009-2797

年卷期: 2010 年 188 卷 3 期

页码:

收录情况: SCI

摘要: The effects of heavy metals (Cd, Cr and Cd + Cr) on the motility parameters and oxidative stress of sterlet (Acipenser ruthenus) sperm were investigated in vitro. Sturgeon sperm were exposed for 2 h to heavy metals at environmental related concentrations (0.1 mg L(-1) Cr, 0.001 mg L(-1) Cd, 0.1 mg L(-1) Cr + 0.001 mg L(-1) Cd) and higher concentrations (5.0 mg L(-1) Cr, 0.05 mg L(-1) Cd, 5.0 mg L(-1) Cr + 0.05 mg L(-1) Cd). Results revealed that environmental concentrations of heavy metals had no significant influence on motility parameters and antioxidant responses indices in sturgeon sperm, except for LPO level and SOD activity. But higher concentrations of these metals induced oxidative tress in sturgeon sperm in vitro, associated with sperm motility parameters inhibition. Our results suggest that using of sperm in vitro assays may provide a novel and efficiently means for evaluating the effects of residual heavy metals in aquatic environment on sturgeon. (C) 2010 Elsevier Ireland Ltd. All rights reserved.

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