The effects of Triclosan (TCS) on the survival, serum biomarkers, antioxidant defense, and apoptosis of mud crab (Scylla paramamosain)

文献类型： 外文期刊

第一作者： Wang, Yue

作者： Wang, Yue;Hou, Ting-Ting;Song, Xue-Feng;Su, Zhi-Xing;Xu, Jia-Yuan;Lv, Xiao-Kang;Zhou, Shuai;Zhang, Bian-Bian;Yang, Li-Guo;Sui, Yan-Ming;Yang, Li-Guo

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关键词： Triclosan; Mud crab; Oxidative stress; Apoptosis; Aquatic environment conservation

期刊名称：AQUACULTURE REPORTS （ 影响因子：3.7； 五年影响因子：4.0 ）

ISSN： 2352-5134

年卷期： 2025 年 41 卷

页码：

收录情况： SCI

摘要： Triclosan (TCS), a widely used antimicrobial agent, is known to have toxic effects on aquatic organisms, potentially disrupting reproduction, development, and behavior. However, its impact on marine invertebrates, particularly crustaceans, remains understudied. To evaluate the effects of TCS, juvenile mud crabs (Scylla paramamosain) were exposed to TCS concentrations ranging from 50 to 5000 mu g/L over a 96-hour period in this study. Results showed that low TCS concentrations had no significant short-term effects on the crabs, whereas moderate to high concentrations caused disruptions in hemolymph parameters, increased oxidative stress, and reduced antioxidant enzyme activity, ultimately leading to mortality. Exposure to these higher concentrations also led to the upregulation of heat shock proteins (HSPs) and antioxidant enzyme mRNA expression as part of the stress response, alongside the increased expression of pro-apoptotic genes and suppression of anti-apoptotic genes. The effects were generally similar between sexes, although females showed greater susceptibility than males. Additionally, TCS exposure altered serum cholesterol levels in females but had no effect on males, suggesting a possible estrogenic effect of TCS that requires further investigation. This study provides important data for assessing the risks of TCS in aquatic environments and has significant implications for the conservation of estuarine ecosystems and fisheries resources.

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