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Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Pharmacol+Rep 2015 ; 67 (5): 914-20 Nephropedia Template TP
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Pretreatment with magnesium ameliorates lipopolysaccharide-induced liver injury in mice #MMPMID26398385
Pharmacol Rep 2015[Oct]; 67 (5): 914-20 PMID26398385show ga
BACKGROUND: Lipopolysaccharide (LPS), a component of the outer membrane of Gram-negative bacteria, is involved in the pathogenesis of sepsis. LPS administration induces systemic inflammation that mimics many of the initial clinical features of sepsis and has deleterious effects on several organs including the liver and eventually leading to septic shock and death. The present study aimed to investigate the protective effect of magnesium (Mg), a well known cofactor in many enzymatic reactions and a critical component of the antioxidant system, on hepatic damage associated with LPS-induced endotoxima in mice. METHODS: Mg (20 and 40mg/kg, po) was administered for 7 consecutive days. Systemic inflammation was induced 1h after the last dose of Mg by a single dose of LPS (2mg/kg, ip) and 3h thereafter plasma was separated, animals were sacrificed and their livers were isolated. RESULTS: LPS-treated mice suffered from hepatic dysfunction revealed by histological observation, elevation in plasma transaminases activities, C-reactive protein content and caspase-3, a critical marker of apoptosis. Liver inflammation was evident by elevation in liver cytokines contents (TNF-alpha and IL-10) and MPO activity. Additionally, oxidative stress was manifested by increased liver lipoperoxidation, glutathione depletion, elevated total nitrate/nitrite (NOx) content and glutathione peroxidase (GPx) activity. Pretreatment with Mg largely mitigated these alternations. CONCLUSION: Pretreatment with Mg protects the liver from the acute injury which occurs shortly after septicemia.
|Animals[MESH]
|Apoptosis/drug effects[MESH]
|C-Reactive Protein/metabolism[MESH]
|Caspase 3/metabolism[MESH]
|Chemical and Drug Induced Liver Injury/*prevention & control[MESH]