Nano polystyrene microplastics could accumulate in Nile tilapia ( Oreochromis niloticus ): Negatively impacts on the intestinal and liver health through water exposure
文献类型： 外文期刊
作者： Wu, Di 1 ; Lu, Xing 2 ; Dong, Li-Xue 2 ; Tian, Juan 2 ; Deng, Jin 1 ; Wei, Lei 1 ; Wen, Hua 2 ; Zhong, Shan 1 ; Jiang, Ming 2 ;
作者机构： 1.Wuhan Univ, Sch Basic Med Sci, Wuhan 430071, Peoples R China
2.Chinese Acad Fishery Sci, Yangtze River Fisheries Res Inst, Key Lab Freshwater Biodivers Conservat, Minist Agr & Rural Affairs, Wuhan 430223, Peoples R China
3.Hubei Prov Key Lab Allergy & Immunol, Wuhan 430071, Peoples R China
关键词： Microplastics (MPs); Intestinal toxicity; Liver toxicity; Gut microbiome; Lipid metabolism
期刊名称：JOURNAL OF ENVIRONMENTAL SCIENCES （ 影响因子：6.9； 五年影响因子：6.2 ）
ISSN： 1001-0742
年卷期： 2024 年 137 卷
页码：
收录情况： SCI
摘要： Microplastics (MPs) have become a significant concern for their potential toxicity. However, the correlation between the size of plastic particles and their toxicity remains inconclusive. Here, we investigate the toxic effects of different sizes (80 nm, 800 nm, 8 mu m and 80 mu m) polystyrene MPs (PS-MPs) on the model organism Nile tilapia (Oreochromis niloticus). The re-sults of bioluminescent imaging indicate that the 80 nm PS-MPs are more likely to invade the body. H&E staining shows severe damage on the intestinal villi and distinct hepatic steato-sis in the 80 nm group. EdU labeling shows that the proliferation activity of intestinal and liver cells reduces significantly in the 80 nm group. The gut microbiome analysis shows a severe imbalance of gut microbiota homeostasis in the 80 nm group. The analysis of liver transcriptomics and metabolomics shows that the liver lipid metabolism is disordered in the 80 nm group. In conclusion, this study confirms that the 80 nm PS-MPs are more likely to induce intestinal and liver toxicity. All the above lay the foundation for further study on the pathological damage of MPs to other organisms.(c) 2023 The Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences. Published by Elsevier B.V.
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