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Prostaglandin E1 Protects Against IschemiaReperfusion Injury of the Rats Liver

ObjectiveTo investigate the protective mechanism of prostaglandin E1 against hepatic ischemia reperfusion injury.MethodsUsing 45minute ischemiareperfusion rat model in normal temperature, PGE1 was injected into portal vein before ischemia. An hour later blood was taken from portal vein to examine the enzyme levels, including GOT, GPT, LDH and TNFα, ET1. The alteration of pathological morphology of the ischemia lobe was observed.ResultsThe three enzemes, TNFα, ET1 levels of ischemiareperfusion group were significantly higher than those of the control group (P＜0.01). The indices of the PGE1 group were much lower than those of the ischemiareperfusion group (P＜0.01), but little higher than those of the control group (P＞0.05). The control group had obvious alteration in pathological morphology, but only slight alteration in PGE1 group, compared with the control group. ConclusionPGE1 protects against ischemiareperfusion injury of the liver.