期刊
ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY
卷 104, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.etap.2023.104286
关键词
Non-alcoholic fatty liver disease; Glyphosate; Inflammation; Oxidative stress; C57BL/6J mice
We evaluated the promoting effect of glyphosate on western diet-induced non-alcoholic fatty liver disease (NAFLD). The results showed that within the toxicological limits, glyphosate can impair hepatic inflammation and redox dynamics in the NAFLD microenvironment.
We evaluated whether glyphosate promotes western diet (WD)-induced non-alcoholic fatty liver disease (NAFLD). Male C57BL/6J mice were fed WD and received intragastrical glyphosate (0.05, 5 or 50 mg/kg) for 6 months. Glyphosate did not promote WD-induced obesity, hypercholesterolemia, glucose intolerance, hepatic steatosis, and fibrosis. Nonetheless, the higher dose (50 mg) enhanced hepatic CD68+ macrophage density, p65, TNF-alpha, and IL-6 protein levels. Furthermore, this dose decreased hepatic Nrf2 levels, while enhancing lipid peroxidation in the liver and adipose tissue. Hepatic transcriptome revealed that glyphosate at 50 mg upregu-lated 212 genes and downregulated 731 genes. Genes associated with oxidative stress and inflammation were upregulated, while key cell cycle-related genes were downregulated. Our results indicate that glyphosate exposure - in a dose within the toxicological limits -impairs hepatic inflammation/redox dynamics in a NAFLD microenvironment.
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