نتایج جستجو برای: focal cerebral ischemia
تعداد نتایج: 300824 فیلتر نتایج به سال:
Background: Stroke is the third leading cause of invalidism and death in industrialized countries. There are conflicting reports about the effects of Angiotensin II on ischemia-reperfusion brain injuries and most data have come from chronic hypertensive rats. In this study, hypotensive and non-hypotensive doses of candesartan were used to investigate the effects of angiotensin II AT1 receptor b...
Safranal is a monoterpene aldehyde found in saffron (Crocus sativus L.) petals. It has been previously reported that safranal has a wide range of activities such as antioxidant and anti-inflammatory effects. In this study, we examined the effect of safranal on brain injuries in a transient model of focal cerebral ischemia. Transient focal cerebral ischemia was induced by middle cerebral artery ...
background: stroke is the third leading cause of invalidism and death in industrialized countries. there are conflicting reports about the effects of angiotensin ii on ischemia-reperfusion brain injuries and most data have come from chronic hypertensive rats. in this study, hypotensive and non-hypotensive doses of candesartan were used to investigate the effects of angiotensin ii at1 receptor b...
Introduction: Cerebral ischemia and reperfusion causes physiological and biochemical changes in the neuronal cells that will eventually lead to cell damage. Evidence indicates that exercise reduces the ischemia and reperfusion-induced brain damages in animal models of stroke. In the present study, the effect of exercise preconditioning on brain edema and neurological movement disorders followin...
introduction: development of brain edema following focal cerebral ischemia exacerbates primary ischemic injury. blood brain barrier (bbb) opening is an important part of edema named as vasogenic brain edema. in this study, quantitative alterations of bbb permeability is experimentally evaluated using transient focal cerebral ischemia in the rat. methods: two groups of male rats (ischemic and sh...
background: pentoxifylline (ptx) is used in human for intermittent claudication and cerebral vascular disorders including cerebrovascular dementia. it also inhibits the synthesis of tumor necrosis factor-α (tnf-α), which is believed to be neurotoxic in animal models of cerebral ischemia. the objective of this study was to examine the role of ptx on ischemia/reperfusion injures in rat model of t...
Introdution: Stroke is one of the most common diseases caused by occlusion or rupture of blood vessels in brain. It brings heavily loads for families and societies. Although some new strategies including treatment of tissue plasminogen activator have been applied in the clinic, these methods do not have perfect effect. Accordingly, more effective therapeutic strategies need to be developed...
introdution: stroke is one of the most common diseases caused by occlusion or rupture of blood vessels in brain. it brings heavily loads for families and societies. although some new strategies including treatment of tissue plasminogen activator have been applied in the clinic, these methods do not have perfect effect. accordingly, more effective therapeutic strategies need to be developed. thi...
Background: The role of Renin Angiotensin System (RAS) in ischemic/reperfusion (I/R) injuries is not fully elucidated. Furthermore, it is not clear whether inhibition of RAS by Angiotensin-Converting Enzyme (ACE) inhibitors has beneficial effects in terms of protecting the brain from I/R injuries. In this study enalapril is used as an ACE inhibitor to evaluate the role of RAS in I/R injuries in...
background: the role of renin angiotensin system (ras) in ischemic/reperfusion (i/r) injuries is not fully elucidated. furthermore, it is not clear whether inhibition of ras by angiotensin-converting enzyme (ace) inhibitors has beneficial effects in terms of protecting the brain from i/r injuries. in this study enalapril is used as an ace inhibitor to evaluate the role of ras in i/r injuries in...
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