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JOURNAL ARTICLE
RESEARCH SUPPORT, NON-U.S. GOV'T
Propofol attenuation of hydrogen peroxide-induced injury in human umbilical vein endothelial cells involves aldose reductase.
Die Pharmazie 2015 Februrary
Propofol is a widely used intravenous anesthetic agent with antioxidant/antiapoptotic properties. Aldose reductase (AR) has been implicated in oxidative stress and apoptosis in endothelial cells. AR inhibition may protect cells from cardiovascular injury. Although the cytoprotective effect of propofol against hydrogen peroxide (H2O2)-induced injury has been widely studied, there is no information about the effects of propofol on AR. We therefore investigated the effect of propofol on H2O2-mediated injury and on aldose reductase expression. We found that propofol protected HUVECs against H2O2-induced damage and apoptosis and ameliorated AR expression induced by H2O2. Propofol also inhibited H2O2-induced p38 MAPK, JNK and Akt phosphorylation. Epalrestat (an AR inhibitor) or ablation of AR siRNA had a similar effect to propofol. The results suggest that propofol may be a preemptive anesthetic in patients with cardiovascular disease and inhibition of AR might be a new cytoprotective pathway for propofol.
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