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- W2331567435 abstract "Tropisetron is widely used for antiemesis. Recent evidence shows that tropisetron possesses anti-inflammatory properties. Protein kinase B (Akt) is known to play an important role in negating proinflammatory response in injury. The aim of this study was to determine whether tropisetron provides cardioprotection mediated via an Akt-dependent pathway in trauma-hemorrhaged animals. Male Sprague-Dawley rats underwent trauma-hemorrhage and resuscitation. Tropisetron (1 mg/kg) with or without a PI3K inhibitor (wortmannin, 1 mg/kg) or vehicle was administered intravenously during the resuscitation. At 24 h after either the trauma-hemorrhage or sham operation, the cardiac function parameters (cardiac output, left ventricle pressure variability) were measured. Cardiac myeloperoxidase activity, interleukin 6 and intercellular adhesion molecule 1 levels, Akt activity, and apoptosis were measured. One-way analysis of variance and Tukey test were used for statistical analysis. Cardiac function was depressed and cardiac myeloperoxidase activity, interleukin 6 and intercellular adhesion molecule 1 levels, and cardiac apoptosis were markedly increased after trauma-hemorrhage. Administration of tropisetron significantly improved cardiac function and proinflammatory parameters in the tropisetron-treated rats subjected to trauma-hemorrhage. The increase in cardiac apoptosis was attenuated in rats that received tropisetron. Although trauma-hemorrhage decreased cardiac Akt phosphorylation (p-Akt), tropisetron treatment prevented the same decrease in cardiac p-Akt following trauma-hemorrhage. Coadministration of wortmannin prevented the beneficial effects of tropisetron on the attenuation of proinflammatory responses and cardiac injury after trauma-hemorrhage. Tropisetron attenuates cardiac injury following trauma-hemorrhage, which is, at least in part, through Akt-dependent anti-inflammatory pathway." @default.
- W2331567435 created "2016-06-24" @default.
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- W2331567435 date "2012-07-01" @default.
- W2331567435 modified "2023-10-12" @default.
- W2331567435 title "Tropisetron Attenuates Cardiac Injury in a Rat Trauma–Hemorrhage Model" @default.
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- W2331567435 doi "https://doi.org/10.1097/shk.0b013e318259ad51" @default.
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