ArticleWorld journal of gastrointestinal surgery2025
Protective effects of treprostinil and ischemic preconditioning on hepatic ischemia-reperfusion injury and biomarkers in experimental studies in rats.
Article in World journal of gastrointestinal surgery, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundHepatic ischemia-reperfusion injury (HIRI) remains one of the major causes of postoperative liver dysfunction following extensive hepatectomy and liver transplantation. Owing to its progressive and dynamic nature, HIRI may lead to multiple organ failure and a worsened outcome. Treprostinil is a relatively new synthetic prostacyclin analog with a potential beneficial effect against HIRI. Ischemic preconditioning (IP) is a promising method to protect against HIRI.
aimTo investigate HIRI biomarkers, their effects on liver and heart, and the effects of treprostinil and IP on these processes.
methodsForty male Wistar albino rats aged 3-4 months were randomly assigned to four groups of ten, subjected to a 3-hour surgical intervention, and then sacrificed. Hepatic ischemia was induced by clamping the hepatoduodenal ligament for 30 minutes, followed by reperfusion for 120 minutes. Treprostinil (100 ng/kg/minute for 24 hours) or IP before HIRI, no protection, and a sham operation were applied accordingly in each group. Liver and heart histopathology and specific serum and hepatic tissue biomarkers were assessed.
resultsHIRI deteriorated hepatocellular function and exacerbated liver and myocardial damage in the control group. Furthermore, HIRI triggered cytokine overexpression and protein carbonyl content (
conclusionHIRI results in oxidative stress and cytokine overexpression, which deteriorate hepatic function and accelerates myocardial damage. Treprostinil and IP are promising strategies for preventing reperfusion-induced cellular and systemic damage.
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