Hepatotoxic effects of chronic exposure to environmentally relevant concentrations of Di-(2-ethylhexyl) phthalate (DEHP) on crucian carp: Insights from multi-omics analyses
文献类型： 外文期刊
作者： Liu, Yingjie 1 ; You, Shijie 2 ; Ding, Lu 1 ; Yuan, Fangying 1 ; Sun, Yanchun 1 ;
作者机构： 1.Chinese Acad Fishery Sci, Minist Agr & Rural Areas, Heilongjiang River Fisheries Res Inst, Lab Qual & Safety Risk Assessment Aquat Prod Harbi, Harbin 150070, Peoples R China
2.Harbin Inst Technol, Sch Environm, State Key Lab Urban Water Resource & Environm, Harbin 150090, Peoples R China
3.Chinese Acad Fishery Sci, Heilongjiang River Fisheries Res Inst, 232 Hesong Rd, Harbin 150070, Peoples R China
关键词： Multi-omics; Energy metabolism; Oxidative stress; Endoplasmic reticulum 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： 2024 年 923 卷
页码：
收录情况： SCI
摘要： Di-(2-ethylhexyl) phthalate (DEHP) is an extensively used phthalate esters (PAEs) that raise growing ecotoxicological concerns due to detrimental effects on living organisms and ecosystems. This study performed hepatotoxic investigations on crucian carp under chronic low-dosage (CLD) exposure to DEHP at environmentally relevant concentrations (20 - 500 mu g/L). The results demonstrated that the CLD exposure induced irreversible damage to the liver tissue. Multi-omics (transcriptomics and metabolomics) analyses revealed the predominant toxicological mechanisms underlying DEHP-induced hepatotoxicity by inhibiting energy production pathways and the up-regulation of the purine metabolism. Disruption of metabolic pathways led to excessive reactive oxygen species (ROS) production and subsequent oxidative stress. The adverse metabolic effects were exacerbated by an interplay between oxidative stress and endoplasmic reticulum stress. This study not only provides new mechanistic insights into the ecotoxicological effects of DEHP under chronic low-dosage exposure, but also suggests a potential strategy for further ecological risk assessment of PAEs.
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