【摘 要】
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Puerarin, a traditional Chinese medicine, exerts a powerful neuroprotective effect in cerebral isch-emia/reperfusion injury, but its mechanism is unknown. Here,
【机 构】
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Department of Neurosurgery, Second Afifliated Hospital, School of Medicine, Zhejiang University, Han
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Puerarin, a traditional Chinese medicine, exerts a powerful neuroprotective effect in cerebral isch-emia/reperfusion injury, but its mechanism is unknown. Here, we established rat models of middle cerebral artery ischemia/reperfusion injury using the suture method. Puerarin (100 mg/kg) was administered intraperitoneally 30 minutes before middle cerebral artery occlusion and 8 hours after reperfusion. Twenty-four hours after reperfusion, we found that puerarin signiifcantly im-proved neurological deifcit, reduced infarct size and brain water content, and notably diminished the expression of Toll-like receptor-4, myeloid differentiation factor 88, nuclear factor kappa B and tumor necrosis factor-αin the ischemic region. These data indicate that puerarin exerts an anti-inlfammatory protective effect on brain tissue with ischemia/reperfusion damage by down-regulating the expression of multiple inlfammatory factors.
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