Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: UNIPROT:P17174 (aspartate aminotransferase)
 14,872 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Sepsis, a leading cause of mortality in intensive care units worldwide, is often a result of overactive and systemic inflammation following serious infections. We found that mice lacking immediate early responsive gene X-1 (IEX-1) were prone to lipopolysaccharide (LPS) -induced endotoxemia. A nonlethal dose of LPS provoked numerous aberrations in IEX-1 knockout (KO) mice including pancytopenia, increased serum aspartate aminotransferase (AST), and lung neutrophilia, concurrent with liver and kidney damage, followed by death. Given these results, in conjunction with a proven role for IEX-1 in the regulation of reactive oxygen species (ROS) homeostasis during stress, we pre-treated IEX-1 KO mice with Mitoquinone (MitoQ), a mitochondrion-based antioxidant prior to LPS injection. The treatment significantly reduced ROS formation in circulatory cells and protected against pancytopenia and multiple organ failure, drastically increasing the survival rate of IEX-1 KO mice challenged by this low dose of LPS. This study confirms significant contribution of mitochondrial ROS to the etiology of sepsis.
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PMID:Mitochondrial anti-oxidant protects IEX-1 deficient mice from organ damage during endotoxemia. 2546 75