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Several experiments were designed to determine whether the systemic, postischemic administration of PJ34,which is a poly-adenosine diphosphate (ADP)-ribose polymerase inhibitor, decreased tissue injury and inflammation after hind-limb ischemia reperfusion (I/R).C57BL6 mouse limbs were subjected to 1.5 h ischemia followed by 24-h reperfusion. The treatment group (PJ) received intraperitoneal PJ34 (30...
Ischemia-reperfusion injury of skeletal muscle is a common clinical and experimental problem. To date, there has been no uniform and reproducible method to assess the extent of histologic injury. In this study, we developed a novel statistical methodology for evaluating injury in individual myocytes and 3 distinct methods for the interpretation of this data.C57/BL6 mice underwent 2 h of hindlimb ischemia...
These experiments sought to evaluate the effects of PJ34, a poly-ADP-ribose polymerase inhibitor, on molecular indices of renal injury, mitochondrial function, tissue thrombosis, and fibrinolysis after thoracic aortic ischemia/reperfusion (TAR).Forty-three 129S1/SvImj mice were subjected to 11 minutes of TAR followed by 48 hours of reperfusion. Experimental groups included untreated normal saline...
These experiments were designed to quantitatively compare the patterns of tissue thrombosis, cytokine response, and tissue viability in a murine model of partial (PI) versus complete hindlimb ischemia (CI), alone or with reperfusion (RE).The control tension tourniquet was used to establish either PI or CI in the unilateral mouse hindlimb for 3 hours followed by 0, 4, and 24 hours of RE. Muscle viability,...
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