Apoptosis, MAPK signaling pathway affected in tilapia liver following nano-microplastics and sulfamethoxazole acute co-exposure

文献类型： 外文期刊

第一作者： Zheng, Yao

作者： Zheng, Yao;Li, Jiajia;Gao, Jiancao;Hu, Jiawen;Sun, Yi;Zhu, Haojun;Xu, Gangchun;Zheng, Yao;Jin, Wei;Xu, Gangchun

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关键词： Liver; Endoplasmic reticulum; MAPK signaling pathway; Acute exposure

期刊名称：COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY D-GENOMICS & PROTEOMICS （ 影响因子：2.4； 五年影响因子：2.8 ）

ISSN： 1744-117X

年卷期： 2025 年 53 卷

页码：

收录情况： SCI

摘要： Studies showed that toxicants that adhered to the surface of nano-microplastics (NPs) have toxicological effects. Juvenile tilapia were divided into four groups namely the control group (A), 100 ng center dot L-1 sulfamethoxazole (SMZ) group (B), 75 nm NPs group (C) and SMZ + 75 nm NPs group (D), and were exposed to an acute test for 2, 4 and 8 days. The hepatic histopathological changes, enzymatic activities, transcriptomics and proteomics analysis have been performed. The results showed that; the enzymatic activities of anti-oxidative enzymes (ROS, SOD, EROD), energy (ATP), lipid metabolism (TC, TG, FAS, LPL, ACC), pro-inflammatory factors (TNF alpha, IL-1 beta) and apoptosis (Caspase 3) have decreased significantly at 8 d. Hepatic histopathological results revealed the narrowed hepatic sinuses, displaced nucleus, and vacuoles under SMZ exposure. Transcriptome results demonstrated that endocytosis, MAPK signaling pathway, apoptosis, lysosome and herpes simplex infection were enriched in group C at 8 d. apaf1, casp3a, nfkbiaa (apoptosis, except for 8 d) were significantly increased, il1b and tgfb3, fgfr2 showed significant increase and decrease in group C/D. ctsd and ctsk associated with apoptosis have been especially significantly increased at 8 d, while MAPK signaling pathway, gadd45ga, gadd45gb/gadd45gg have been significantly decreased and increased, as well as map3k3/map3k2 significantly decreased at 8 d. Apoptosis and MAPK signaling pathway were affected and the synergistic effect was verified in tilapia liver following NPs and SMZ acute co-exposure.

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