Embryonic exposure to carbendazim induces the transcription of genes related to apoptosis, immunotoxicity and endocrine disruption in zebrafish (Danio rerio)

文献类型： 外文期刊

第一作者： Jiang, Jinhua

作者： Jiang, Jinhua;Wu, Shenggan;Wu, Changxing;An, Xuehua;Cai, Leiming;Zhao, Xueping;Jiang, Jinhua;Wu, Shenggan;Wu, Changxing;An, Xuehua;Cai, Leiming;Zhao, Xueping

作者机构：

关键词： Carbendazim;Zebrafish;Apoptosis;Immunotoxicity;Endocrine disruption

期刊名称：FISH & SHELLFISH IMMUNOLOGY （ 影响因子：4.581； 五年影响因子：4.851 ）

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收录情况： SCI

摘要： Carbendazim is one of the most widespread environmental contaminant that can cause major concern to human and animal reproductive system. To date, very few studies have been conducted on the toxic effect of carbendazim in the non-target organism zebrafish (Danio rerio). The study presented here aimed to assess how carbendazim triggers apoptosis, immunotoxicity and endocrine disruption pathways in zebrafish during its embryo development Our results demonstrated that the expression patterns of many key genes involved in cell apoptosis pathway (e.g. P53, Mdm2, Bbc3 and Cas8) were significantly up-regulated upon the exposure to carbendazim at the concentration of 500 mu g/L, while the Bc12 and Cas3 were down-regulated at the same concentration, interestingly, the expression level of Oggl decreased at all the exposure concentrations. It was also observed that the mRNA levels of CXCL-C1 C, CCL1, IL-1b and TNF alpha which were closely related to the innate immune system, were affected in newly hatched zebrafish after exposed to different concentrations of carbendazim. Moreover, the expression of genes that are involved in the hypothalamic-pituitary-gonadal/thyroid (HPG/HPT) axis including VTG, ER alpha, ER beta 2, Dio1, Dio2, Thraa and Thrb were all down-regulated significantly after the exposure to carbendazim. The expression levels of two cytochrome P450 aromatases CYP19 alpha and CYP19b were increased significantly after 20 and 100 mu g/L carbendazim exposure, respectively. Taken together, our results indicated that carbendazim had the potential to induce cell apoptosis and cause immune toxicity as well as endocrine disruption in zebrafish during the embryo developmental stage. The information presented here also help to elucidate the environmental risks caused by the carbendazim-induced toxicity in aquatic organisms. (C) 2014 Elsevier Ltd. All rights reserved.

分类号： S9

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