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The present study established a rat model of cerebral ischemia/reperfusion injury using four-vessel occlusion and found that hippocampal CA1 neuronal morphology was damaged, and that there were reductions in hippocampal neuron number and DNA-binding activity of cAMP response element binding protein and CCAAT/enhancer binding protein, accompanied by decreased learning and memory ability. These findings indicate that decline of hippocampal cAMP response element binding protein and CCAAT/enhancer binding protein DNA-binding activities may contribute to neuronal injury and learning and memory ability reduction induced by cerebral ischemia/reperfusion injury.
The present study established a rat model of cerebral ischemia / reperfusion injury using four-vessel occlusion and found that hippocampal CA1 neuronal morphology was damaged, and that there were reductions in hippocampal neuron number and DNA-binding activity of cAMP response element binding protein and CCAAT / enhancer binding protein, accompanied by decreased learning and memory ability. These results indicate that decline of hippocampal cAMP response element binding protein and CCAAT / enhancer binding protein DNA-binding activities may contribute to neuronal injury and learning ability and memory reduction reduction by cerebral ischemia / reperfusion injury.