A feasible strategy for focal cerebral ischemia-reperfusion injury: remote ischemic postconditioning. 2014
It is difficult to control the degree of ischemic postconditioning in the brain and other ischemia-sensitive organs. Remote ischemic postconditioning could protect some ischemia-sensitive organs through measures on terminal organs. In this study, a focal cerebral ischemia-reperfusion injury model was established using three cycles of remote ischemic postconditioning, each cycle consisted of 10-minute occlusion of the femoral artery and 10-minute opening. The results showed that, remote ischemic postconditioning significantly decreased the percentage of the infarct area and attenuated brain edema. In addition, inflammatory nuclear factor-κB expression was significantly lower, while anti-apoptotic Bcl-2 expression was significantly elevated in the cerebral cortex on the ischemic side. Our findings indicate that remote ischemic postconditioning attenuates focal cerebral ischemia/reperfusion injury, and that the neuroprotective mechanism is mediated by an anti-apoptotic effect and reduction of the inflammatory response.
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