نتایج جستجو برای: cerebral ischemia

تعداد نتایج: 248702  

Introduction: Nucleobinding-2 (NUCB2) or nesfatin-1, a newly identified anorexigenic peptide, has antioxidant, anti-inflammatory, and anti-apoptotic properties. Brain ischemia-reperfusion induces irreversible damages, especially in the hippocampus area. However, the therapeutic effects of NUCB2 have not been well investigated in cerebral ischemia. This study was designed for the first time to i...

Journal: :iranian journal of medical sciences 0
a.a. nekooeian department of pharmacology1, shiraz university of medical sciences, shiraz, iran. a. vakili department of physiology, shiraz university of medical sciences, shiraz, iran. g.a. dehghani medicinal & natural products chemi-stry research center, shiraz university of medical sciences, shiraz, iran.

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...

One of the newest methods to reduce cerebral ischemia damages is cell therapy. The aim of this study is to evaluate the effect of Sertoli cell transplantation on ischemia-induced injuries in animal models of stroke. Rats were divided into four groups: transplant+ischemia, ischemia, sham, and control. Sertoli cells were separated from the other testis of rats and cultured. Unilateral Sertoli cel...

شهیاد, شیما, قشونی, حسن, محمدی, محمدتقی, نوروززاده, علی,

Background & Aims: Blood-brain barrier (BBB) breakdown and nitric oxide (NO) overproduction following cerebral ischemia-reperfusion extensively happens in the subcortical regions (core areas). Hence, we assessed the effects of NO inhibition by L-NAME on transcription of the transmembrane proteins claudin-3 and 12, with key role in BBB structure, at subcortical areas following cerebral ischemia-...

Ali Akbar Nekooeian, Gholam Abbas Dehghani, Hamdollah Panahpour,

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...

Alireza Talaei, Fatemeh Barzegar, Mohammad Shabani,

Cerebral ischemia causes death of millions people all over the world, annually and also suffering more people from neurological deficits and neuromuscular disorders. In our country, 250 to 300 people experience mild to severe stroke, daily. In this study we reviewed 120 original paper selected from PubMED database. Our keywords were erythropoietin, anti-inflammatory, stroke, neuropathy and cere...

Journal: :physiology and pharmacology 0
abedin vakili department and physiological research center, semnan university of medical sciences‎ gholam abbas dehghani department of physiology

introduction: anesthetic agents, blood pressure, arterial ph and blood gases have found to influence on the pathophysiology of experimental stroke. despite, there are very few comparative studies about effects of anesthetic agents in animal model of cerebral ischemia. therefore, in this study, we investigated the effects of chloral hydrate and pentobarbital anesthesia, as comparative study, on ...

Journal: :iranian journal of basic medical sciences 0
mahsa moghimi department of pharmacology, school of medicine, shahid beheshti university of medical sciences, tehran, iran siavash parvardeh department of pharmacology, school of medicine, shahid beheshti university of medical sciences, tehran, iran taraneh moini zanjani department of pharmacology, school of medicine, shahid beheshti university of medical sciences, tehran, iran shiva ghafghazi school of medicine, shahid beheshti university of medical sciences, tehran, iran

objective(s): cerebral ischemia is often associated with cognitive impairment. oxidative stress has a crucial role in the memory deficit following ischemia/reperfusion injury. α-terpineol is a monoterpenoid with anti-inflammatory and antioxidant effects. this study was carried out to investigate the effect of α-terpineol against memory impairment following cerebral ischemia in rats. materials a...

Journal: :avicenna journal of phytomedicine 0
maryam sarbishegi department of anatomy, school of medicine, zahedan university of medical sciences, zahedan, iran zahra heidari infectious diseases and tropical medicine research center, and department of histology, school of medicine, zahedan university of medical sciences, zahedan, iran hamidreza mahmoudzadeh- sagheb department of histology, school of medicine, zahedan university of medical sciences, zahedan, iran mohharam valizadeh department of medicinal and aromatic plant, high complex education of saravan, saravan, iran mahboobeh doostkami department of anatomy, school of medicine, zahedan university of medical sciences, zahedan, iran

objective: oxygen free radicals may be implicated in the pathogenesis of ischemia reperfusion damage. the beneficial effects of antioxidant nutrients, as well as complex plant extracts, on cerebral ischemia-reperfusion injuries are well known. this study was conducted to determine the effects of the hydro-alcoholic root extract of withania coagulans on ca1 hippocampus oxidative damages followin...

Background and Aim: Stroke is the third leading cause of death and the most important factor of disability in the world. Recent studies have shown that olive oil has antioxidant effects during cerebral ischemia. The present study investigated the probable protective effects of olive oil on the brain infarction and neurological disability after a transient model of focal cerebral ischemia/reperf...

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