首页|Edaravone inhibits apoptosis caused by ischemia/reperfusion injury in a porcine hepatectomy model
Edaravone inhibits apoptosis caused by ischemia/reperfusion injury in a porcine hepatectomy model
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AIM:To investigate the effect of E3-methyl-1-phenyl-2-pyrazolin-5-one (Edr) on hepatic ischemia-reperfusion (I/R) injury and liver regeneration in a porcine hepatectomy model.METHODS:One hour ischemia was induced by occluding the vessels and the bile duct of the right and median lobes.A 40％ left hepatectomy was performed after reperfusion.Six animals received Edr (3 mg/kg per hour)intravenously and six control animals received saline just before reperfusion.Remnant liver volume,hemodynamics,aspartate aminotransferase (AST),alanine aminotransferase,lactate dehydrogenase and lactic acid,were compared between the groups.The expression of transforming growth factor-β (TGF-β1) and toll-like receptor (TRL) mRNA in hepatic tissues was examined using reverse transcription polymerase chain reaction.Apoptosis was demonstrated by terminal deoxynucleotidyl transferase dUTP nick end labeling (TUNEL) staining,respectively.RESULTS:Serum AST (P =0.029),and toll like receptor 4 level (P =0.043) were significantly lower after 3 hin animals receiving Edr.In addition,TUNEL staining in Edr-treated pigs showed significantly fewer hepatocytes undergoing apoptosis compared with control pigs.After mo,all factors were non-significantly different between the two groups.CONCLUSION:Edr is considered to reduce hepatic injury in the early stage of I/R injury in a porcine model.
EdaravoneIschemia-reperfusion injuryLiver resectionTransforming growth factor-βToll like receptor 4
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