Stroke is one of the principal causes of death and disability worldwide. Cerebral ischemia is the result of insufficient cerebral blood flow for cerebral metabolic functions. Oxidative stress and inflammation have an important role in cerebral infarction which mediated by ischemia and reperfusion. Reperfusion injury stimulates many pathological mechanisms such as leukocyte infiltration, oxidative stress, inflammation, destruction of blood-brain barrier, platelet activation, nitric oxide release, and apoptosis. Consequently, potent anti-inflammatory and antioxidant mediators may be beneficial in the treatment of cerebral ischemia and reperfusion injury. The lack of effective and widely applicable pharmacological treatments for ischemic stroke patients may explain a growing interest in the traditional medicines.
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