Title : The protective role of pregnane X receptor in lipopolysaccharide/D-galactosamine-induced acute liver injury.

Pub. Date : 2010 Feb

PMID : 19997066






4 Functional Relationships(s)
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1 LPS/GalN-treated PXR-null mice had greater increases of alanine transaminase (ALT), hepatocyte apoptosis, necrosis, and hemorrhagic liver injury than wild-type mice. Galactosamine toll-like receptor 4 Mus musculus
2 LPS/GalN-mediated phosphorylation of JNK1/2 and ERK1/2 was differentially regulated in wild-type and PXR-null mice. Galactosamine toll-like receptor 4 Mus musculus
3 Importantly, LPS/GalN-induced hepatic Stat3 survival signaling was impaired and early activation of Jak2 was delayed in PXR-null mice. Galactosamine toll-like receptor 4 Mus musculus
4 Increases of LPS/GalN-induced hepatocyte apoptosis and liver injury in PXR-null mice are due to deregulated mitogen-activated protein (MAP) kinase activation as well as delayed Jak2/Stat3 activation, which lead to a compromise in defense mechanisms that involve Bcl-xL-, HO-1, and autophagy-mediated pathways. Galactosamine toll-like receptor 4 Mus musculus