Abstract
Acute liver failure (ALF), an inflammation-mediated hepatocellular injury process, is a life-threatening and fatal clinical syndrome. Daphnetin (Daph) has been reported to exhibit various pharmacological activities, particularly its antiinflammatory property. The present study was designed to evaluate the protective effects and underlying mechanisms of Daph against lipopolysaccharide and d-galactosamine (LPS/GalN)-induced ALF in mice. Our findings suggested that Daph treatment efficiently protected against LPS/GalN-induced ALF by lessening the lethality, decreasing the alanine transaminase (ALT) and aspartate aminotransferase (AST) levels, tumor necrosis factor (TNF)-α, interleukin (IL)-1β, and IL-6 secretion, malondialdehyde (MDA) formation and myeloperoxidase (MPO) level, inhibiting nitric oxide synthase (iNOS), cyclooxygenase-2 (COX-2) protein expression, and increasing the glutathione (GSH) and superoxide dismutase (SOD) contents. Moreover, Daph treatment effectively inhibited LPS/GalN-induced nucleotide-binding domain (NOD)-like receptor protein 3 (NLRP3), mitogen-activated protein kinase (MAPK) and nuclear factor-kappa B (NF-κB) signaling pathway activation, and significantly induced autophagy activation by enhancing the ...Continue Reading
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