نتایج جستجو برای: brain ischemia
تعداد نتایج: 541296 فیلتر نتایج به سال:
Background: Brain hypoxia-ischemia is a human neonatal injury that is considered a candidate for stem cell therapy. Methods: The possible therapeutic potential of human umbilical cord blood (HUCB) stem cells was evaluated in 14-day-old rats subjected to the right common carotid occlusion, a model of neonatal brain hypoxia-ischemia. Seven days after hypoxia-ischemia, rats received either saline ...
Citrus kawachiensis (Kawachi Bankan), is a citrus species grown in Ehime, Japan, and its peel abundant 3,5,6,7,8,3′,4′-heptamethoxyflavone (HMF). We have recently revealed that HMF, one of the flavonoids, has anti-inflammatory activity neuroprotective abilities brain against global cerebral ischemia. HMF rescued neuronal cell death hippocampus suppressed activation microglia, whose been shown t...
Background and Objective: Ischemia in the brain of rats causes intensive neural injuries leading to learning and memory disorders in addition to pain. Ellagic acid is a polyphenol compound with antioxidant properties which is found in fruits like pomegranate, blackberry and all types of mulberry. The objective of this study was to investigate the effect of 14-day prescription of different doses...
Introduction: Metformin (MET) as an oral antidiabetic drug has pleiotropic effects such as antioxidative and neuroprotective properties. In the current study we aimed to investigate the probable effects of Pretreatment MET therapy in global ischemia-reperfusion in rats. Materials and Methods: In this study, 40 male Wistar rats (200-220 g) were used. Animals were randomly divided into four g...
objective(s): the alteration of glucose transporters is closely related with the pathogenesis of brain edema. we compared neuronal damage/death in the hippocampus between adult and young gerbils following transient cerebral ischemia/reperfusion and changes of glucose transporter-1(glut-1)-immunoreactive microvessels in their ischemic hippocampal ca1 region. materials and methods: transient cere...
Introduction: Ischemia leads to loss of neurons by apoptosis in specific brain regions, especially in the hippocampus. The purpose of this study was investigating the effects of exercise preconditioning on expression of Bax, Bcl-2, and caspase-3 proteins in hippocampal CA1 neurons after induction of cerebral ischemia. Methods: Male rats weighing 260-300 g were randomly allocated into three gro...
The blood-brain barrier is a restrictive interface between the brain parenchyma and the intravascular compartment. Tight junctions contribute to the integrity of the blood-brain barrier. Hypoxic-ischemic damage to the blood-brain barrier could be an important component of fetal brain injury. We hypothesized that increases in blood-brain barrier permeability after ischemia depend upon the durati...
Introduction: Hypothermia has neuroprotective effects in permanent or transient models of cerebral artery occlusion. In the current study, neuroprotective effect of general hypothermia in the embolic model of stroke, in which no study has been conducted to date. Methods: In this experimental study, twenty-four male Wistar rats (250 to 350 g) were divided into three groups as following: sha...
Objective(s): Stroke poses a crucial risk for mortality and morbidity. Our study aimed to investigate the effect of p-coumaric acid on focal cerebral ischemia in rats. Material and Methods: Rats were randomly divided into four groups, namely Group I (control rats), Group II (ischemia rats), Group III (6 hr ischemia + p-coumaric acid rats) and Group IV (24 hr ischemia + p-coumaric acid rats). C...
The present study was designed to investigate the possible properties of the injured brain neurocytes, the expression of heat shock protein70 (HSP70) and Fas protein after acute local ischemia brain injury and local cerebral ischemia-reperfusion injury in rats and to investigate the protecting mechanism of puerarin on the brain neurocytes of rats in acute local ischemia brain injury and local c...
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