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Combined effects of zearalenone and deoxynivalenol on oxidative stress, hepatotoxicity, apoptosis, and inflammation in zebrafish embryos

文献类型： 外文期刊

作者： Rong, Xue 1 ; Wang, Yuli 1 ; Ouyang, Fangxin 1 ; Song, Weixuan 1 ; Li, Songhua 1 ; Li, Feng 1 ; Zhao, Shancang 3 ; Li, Dapeng 1 ;

作者机构： 1.Shandong Agr Univ, Coll Food Sci & Engn, Key Lab Food Proc Technol, Tai An 271018, Peoples R China

2.Shandong Agr Univ, Qual Control Shandong Higher Educ Inst, Coll Food Sci & Engn, Tai An 271018, Peoples R China

3.Shandong Acad Agr Sci, Cent Lab, Key Lab Test Technol Food Qual & Safety Shandong P, Jinan 250100, Shandong, Peoples R China

关键词： Zearalenone; Deoxynivalenol; Combined toxicity; Zebra fish embryos; Oxidative stress

期刊名称：SCIENCE OF THE TOTAL ENVIRONMENT （ 影响因子：9.8； 五年影响因子：9.6 ）

ISSN： 0048-9697

年卷期： 2023 年 859 卷

页码：

收录情况： SCI

摘要： Co-existence of mycotoxins may pose a greater risk. It remains less known about the toxic effect of co-exposure of zearalenone (ZEA) and deoxynivalenol (DON) on aquatic life. In the present study, the toxic effects of the combine treatment of ZEA and DON on zebrafish (Danio rerio) embryos were investigated. The results showed that the combined treatment of ZEA (200, 400, 800 & mu;g/L) and DON (4000 & mu;g/L) did not cause apparent deaths, but induced a developmental toxicity as indicated by decreased movement times and heartbeat. At 96 h post-fertilization (hpf), coexposure of ZEA and DON (Z400 + D4000 and Z800 + D4000 group) led to significant oxidative stress as evidenced by the increased ROS level and MDA content, as well as the changes of antioxidant enzymes (SOD, CAT and GPX) and their genes. Besides, the combined treatment of ZEA and DON triggered hepatotoxicity as shown by the changes of Fabp10a, Gclc, Gsr, Nqo1 genes, apoptosis through upregulating apoptosis-related genes (p53, Caspase-9, Caspase3) and downregulating Bcl-2 gene, as well as inflammation by promoting the expression of IL-1 & beta;, IL-6, TNF-& alpha;, TLR4, MyD88, NF-& kappa;Bp65 genes. These results indicated the co-exposure of ZEA and DON caused oxidative stress, leading to stronger potential toxic effects to zebrafish embryos than their respective single treatment. Therefore, more attention should be paid to risk management of the co-contamination of mycotoxins.

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