Abstract
Acute liver failure (ALF) is a severe consequence of abrupt hepatocyte injury and has lethal outcomes. Three toll-like receptor agonists, including polyinosinic-polycytidylic acid (poly(I:C)), lipopolysaccharide (LPS), and cytosine-phosphate-guanine (CpG) DNA, cause acute and severe hepatitis, respectively, in D-galactosamine (D-GalN)-sensitized mice. However, the molecular differences among three ALF models (LPS/D-GalN, poly(I:C)/D-GalN, and CpG DNA/D-GalN), are unclear. Here, tandem mass tag based quantitative proteomic analyses of three ALF mouse models are performed. 52 common differentially expressed proteins (DEPs) are identified, in three ALF groups, compared to the control. Gene ontology analyses show that among the common DEPs, ten proteins are involved in immune system process, and 39 proteins in metabolic process. Among 80,195, and 23 specifically-expressed proteins in poly(I:C)/D-GalN, LPS/D-GalN, and CpG DNA/D-GalN groups, LPS/D-GalN-specific proteins are mostly distributed in the endoplasmic reticulum and more enriched in metabolic pathways, whereas poly (I:C)/D-GalN-specific proteins are mainly in the membrane and CpG DNA/D-GalN-specific proteins are related to the ribosome structural composition. In conclusion, ...Continue Reading
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