Novel insights into perfluorinated compound-induced hepatotoxicity: Chronic dietary restriction exacerbates the effects of PFBS on hepatic lipid metabolism in mice

被引:5
|
作者
Liu, Su [1 ,2 ]
Liu, Yafeng [2 ]
Zhang, Dong [1 ]
Li, Huan [2 ,3 ]
Shao, Xicheng [4 ]
Xie, Pengfei [1 ]
Li, Jianmei [1 ,5 ]
机构
[1] Nanjing Normal Univ, Sch Food Sci & Pharmaceut Engn, Nanjing 210023, Peoples R China
[2] China Pharmaceut Univ, Sch Engn, Nanjing 211198, Peoples R China
[3] Nanjing Univ, Sch Environm, State Key Lab Pollut Control & Resource Reuse, Nanjing 210023, Peoples R China
[4] Univ British Columbia, Fac Land & Food Syst, Vancouver Campus, Vancouver, BC V6T 1Z4, Canada
[5] 1 Wenyuan Rd, Nanjing 210023, Peoples R China
关键词
PFBS; Liver injury; Liver lipid metabolism; Gut microbial; Restricted diet; PERFLUOROALKYL SUBSTANCES; LOW-CARBOHYDRATE; GUT; ACID; MICROBIOTA; OXIDATION; EXPOSURE; MODEL; PFASS; RATS;
D O I
10.1016/j.envint.2023.108274
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Perfluorobutane sulfonates (PFBS) have garnered extensive utilization because of their distinctive physico-chemical properties. The liver acts as a key target organ for toxicity within the body and is vital for regulating metabolic processes, particularly lipid metabolism. However, there is currently a significant research gap regarding the influences of PFBS on hepatic lipid metabolism, especially in individuals with different dietary statuses. Here, the objective of this research was to examine the effects of PFBS on hepatic function under different dietary conditions. The results suggested that the levels of liver injury biomarkers were significantly upregulated, e.g., transaminase (GPT, GOT), while liver lipid levels were downregulated after exposure to PFBS at concentration of 50 mu g/L for 42 days. Moreover, restricted diet further intensified the adverse effects of PFBS on the liver. Metabolomics analysis identified significant alterations in lipid-related metabolites in PFBS-induced hepatotoxicity, PFBS exposure induced a decrease in lysophosphatidylethanolamine and lysophosphatidylcho-line. PFBS exposure caused an increase in aldosterone and prostaglandin f2alpha under restricted diet. In PFBS treatment group, histidine metabolism, beta-alanine metabolism, and arginine biosynthesis were the main pathway for PFBS toxicity. Aldosterone-regulated sodium reabsorption as a vital factor in inducing PFBS toxicity in the RD-PFBS treatment group. The analysis of 16S rRNA sequencing revealed that exposure to PFBS resulted in imbalance of gut microbial communities. PFBS exposure induced a decrease in Akkermansia and Lactobacillus, but an increase in Enterococcus. PFBS exposure caused the abundance of Lachnospiraceae_NK4A136_group was significantly elevated under restricted diet. Additionally, disruptions in the expression of genes involved in lipid production and consumption may significantly contribute to lipid imbalance in the liver. This study underscores the importance of recognizing the harmful impact of PFBS on liver function, along with the biotoxicity of contaminant influenced by dietary habits.
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页数:12
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