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  • Title: Cardiotrophin-1 reduces ischemia/reperfusion injury during liver transplant.
    Author: Aguilar-Melero P, Luque A, Machuca MM, Pérez de Obanos MP, Navarrete R, Rodríguez-García IC, Briceño J, Iñiguez M, Ruiz J, Prieto J, de la Mata M, Gomez-Villamandos RJ, Muntane J, López-Cillero P.
    Journal: J Surg Res; 2013 May; 181(2):e83-91. PubMed ID: 22906559.
    Abstract:
    BACKGROUND: Orthotopic liver transplantation (OLT) is currently the elective treatment for advanced liver cirrhosis and acute liver failure. Ischemia/reperfusion damage may jeopardize graft function during the postoperative period. Cardiotrophin-1 (CT-1) has demonstrated cytoprotective properties in different experimental models of liver injury. There is no evidence to demonstrate its potential use in the prevention of the ischemia/reperfusion injury that occurs during OLT. The present study is the first report to show that the administration of CT-1 to donors would benefit the outcome of OLT. MATERIALS AND METHODS: We tested the cytoprotective effect of CT-1 administered to the donor prior to OLT in an experimental pig model. Hemodynamic changes, hepatic histology, cell death parameters, activation of cell signaling pathways, oxidative and nitrosative stress, and animal survival were analyzed. RESULTS: Our data showed that CT-1 administration to donors increased animal survival, improved cardiac and respiratory functions, and reduced hepatocellular injury as well as oxidative and nitrosative stress. These beneficial effects, related to the activation of AKT, ERK, and STAT3, reduced caspase-3 activity and diminished IL-1β and TNF-α expression together with IL-6 upregulation in liver tissue. CONCLUSIONS: The administration of CT-1 to donors reduced ischemia/reperfusion injury and improved survival in an experimental pig model of OLT.
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