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Cerebral Ischemia
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1. Attenuation of brain inflammatory response after focal cerebral ischemia/reperfusion with Xuesaitong injection in rats.
Match Strength: 11.803

OBJECTIVE: To investigate the neuro-protective effect of Xuesaitong Injection (XST) on brain inflammatory response after transient focal cerebral ischemia/reperfusion in rats. METHODS: Focal cerebral ischemia/reperfusion models of male rats were induced by transient occlusion for 2 h of middle cerebral artery (MCA) which was followed by 24 h reperfusion. XST was administered through intraperitoneal injection of 25 mg/kg or 50 mg/kg at 4 h after the onset of ischemia. After reperfusion for 24 h, the neurological function score was evaluated, the brain edema was detected with dry-wet weight ... Read More »
» Published in Chin J Integr Med. 2006 Sep;12(3):203-6.

2. The serine protease Omi/HtrA2 is involved in XIAP cleavage and in neuronal cell death following focal cerebral ischemia/reperfusion.
Match Strength: 11.187

Omi/HtrA2 is a pro-apoptotic mitochondrial serine protease involved in both forms of apoptosis, caspase-dependent as well as caspase-independent cell death. However, the impact of Omi/HtrA2 in the apoptotic cell machinery that takes place in vivo under pathological conditions such as cerebral ischemia remains unknown. The present study was monitored in order to examine whether Omi/HtrA2 plays a decisive role in apoptosis observed after focal cerebral ischemia in rats. Male adult rats were subjected to 90min of focal cerebral ischemia followed by reperfusion and treated with vehicle or ucf-101, ... Read More »
» Published in Neurochem Int. 2007 Jan;50(1):172-80. Epub 2006 Sep 15.

3. Kinetic distribution of paeoniflorin in cortex of normal and cerebral ischemia-reperfusion rats after intravenous administration of Paeoniae Radix extract.
Match Strength: 10.324

The time course of paeoniflorin in the cortex of normal and cerebral ischemia-reperfusion rats, following intravenous administration of Paeoniae Radix extract at a dose of 60 mg/kg of paeoniflorin, was determined using high-performance liquid chromatographic (HPLC) assay. The results showed that paeoniflorin could penetrate through the blood-brain barrier to reach the cortex, and that the injuries of ischemia-reperfusion could play an important role in pharmacokinetic process of paeoniflorin in the cortex after intravenous administration of Paeoniae Radix extract. The cortex concentrations of ... Read More »
» Published in Biomed Chromatogr. 2006 Dec;20(12):1283-8.

4. Signal transducers and activators of transcription 5 contributes to erythropoietin-mediated neuroprotection against hippocampal neuronal death after transient global cerebral ischemia.
Match Strength: 10.047

The signal transducers and activators of transcription (STAT) proteins are a group of transcriptional factors. Among them, STAT5 initiates a pro-survival signaling cascade. So far, little has been known about the role of STAT5 in cerebral ischemia and reperfusion. This study examines the phosphorylation status of STAT5 in hippocampal CA1 in the early stage after transient global cerebral ischemia in rats. Our data show that the phosphorylation of STAT5 was increased in hippocampal CA1 at 1h and 3h ischemia. Taking advantage of the neuroprotective effect of erythropoietin (EPO) in CA1, we ... Read More »
» Published in Neurobiol Dis. 2007 Jan;25(1):45-53. Epub 2006 Sep 27.

5. Simultaneous superficial temporal artery to middle cerebral or anterior cerebral artery bypass with pan-synangiosis for Moyamoya disease covering both anterior and middle cerebral artery territories.
Match Strength: 9.330

Some patients with moyamoya disease treated by conventional surgical procedures may develop postoperative refractory ischemia and perioperative cerebral infarction in the anterior cerebral artery (ACA) territory. We present a novel operative procedure for moyamoya disease to avoid the risk of ischemia in the ACA territory, which consists of simultaneous superficial temporal artery (STA) to middle cerebral artery (MCA) or ACA bypass with pan-synangiosis, encephalo-duro-arterio-myo-synangiosis for the lateral frontal and temporal areas, and encephalo-galeo-arterio-synangiosis for the medial ... Read More »
» Published in Neurol Med Chir (Tokyo). 2006 Sep;46(9):462-8.

6. Altered PPARgamma expression and activation after transient focal ischemia in rats.
Match Strength: 7.776

Stroke is a devastating disease with limited treatment options. Recently, we found that the peroxisome proliferator-activated receptor-gamma (PPARgamma) agonists troglitazone and pioglitazone reduce injury and inflammation in a rat model of transient cerebral ischemia. The mechanism of this protection is unclear, as these agents can act through PPAR-gamma activation or through PPAR-gamma-independent mechanisms. Therefore, we examined PPAR-gamma expression, DNA binding and transcriptional activity following stroke. In addition, we used a PPAR-gamma antagonist, T0070907, to determine the role of ... Read More »
» Published in Eur J Neurosci. 2006 Sep;24(6):1653-63.

7. Differences between arterial occlusive and cortical photothrombosis stroke models with magnetic resonance imaging and microtubule-associated protein-2 immunoreactivity.
Match Strength: 7.682

The differences between two models of cerebral ischemia [middle cerebral arterial transection (MCAT) and cortical photothrombosis (PT)] were explored with multiparametric MRI of apparent diffusion coefficient trace (ADCtr), cerebral blood flow (CBF) and T1. Microtubule-associated protein-2 (MAP2) immunoreactivity sections aligned with the MR images in the same coronal plane were used to map the infarct and to guide region-of-interest selection. In ischemic cortex, the larger T1 increase in PT versus MCAT (42+/-7% vs. 16+/-5%) is related to the different character of edema between these models; ... Read More »
» Published in Magn Reson Imaging. 2006 Oct;24(8):1087-93. Epub 2006 May 23.

8. Goat cerebrovascular reactivity to ADP after ischemia-reperfusion. Role of nitric oxide, prostanoids and reactive oxygen species.
Match Strength: 6.920

To analyze the cerebrovascular effects of ischemia-reperfusion, cerebrovascular reactivity to ADP was studied after inducing 60-min occlusion followed by 60-min reperfusion of the left middle cerebral artery (MCA) in anesthetized goats. In 12 goats, at the end of reperfusion, left MCA resistance was decreased by 19%, and reactive hyperemia to 5- and 10-s occlusions as well as the cerebral vasodilatation to ADP (0.03-0.3 microg) but not to sodium nitroprusside (0.3-3 microg) was decreased. In 28 animals, killed at the end of reperfusion, segments 3-mm long were obtained from the left (ischemic) ... Read More »
» Published in Brain Res. 2006 Nov 20;1120(1):114-23. Epub 2006 Sep 22.

9. Anatomy and physiology of neurological compensatory mechanisms.
Match Strength: 6.338

The skull is a unique part of anatomy. It exists in a state of dynamic equilibrium. The components of the skull and their role in maintaining integrity and normal intracranial pressure will be reviewed in this article. Compensatory mechanisms that attempt to prevent the destructive effects of cerebral ischemia and injury will be discussed. Publication Types: ... Read More »
» Published in Dimens Crit Care Nurs. 2006 Sep-Oct;25(5):197-202; quiz 203-4.

10. Time-dependent increase in Nogo-A expression after focal cerebral ischemia in marmoset monkeys.
Match Strength: 5.671

Nogo-A is a myelin-associated protein that has been shown to inhibit axonal sprouting after lesions to the CNS. Several studies have demonstrated that blocking the activity or expression of this inhibitor can induce structural and functional recovery after CNS lesions. However, there are limited and contradictory data on the expression of Nogo-A after CNS lesions. In the present study, marmoset monkeys received permanent occlusion of the middle cerebral artery (MCAo). Two, 3, or 4 months after the onset of injury brain sections were stained for Nogo-A protein. Two sham operated marmosets were ... Read More »
» Published in Neurosci Lett. 2006 Nov 13;408(2):89-93. Epub 2006 Sep 18.

11. Neuroprotective effects of safflor yellow B on brain ischemic injury.
Match Strength: 5.286

The present study was conducted to investigate whether safflor yellow B (SYB) had a protective effect on cerebral ischemic injury and to determine the possible mechanisms in vivo and in vitro. In vivo, Male Wistar-Kyoto (WKY) rats were used to make the model of middle cerebral artery occlusion (MCAO). The behavioral test was used to measure neurological deficit scores for evaluation of the ischemic damage of brain. The infarction area of brain was assessed in brain slices stained with 2% solution of 2,3,5-triphenyl tetrazolium chloride (TTC). Spectrophotometric assay was used to determine the ... Read More »
» Published in Exp Brain Res. 2006 Sep 28;

12. Tracking of systemically administered mononuclear cells in the ischemic brain by high-field magnetic resonance imaging.
Match Strength: 5.184

This study was designed to track systemically administered mononuclear cells (MNCs) in the ischemic mouse brain using 7 T magnetic resonance imaging (MRI). Splenectomized wild-type mice were subjected to brain ischemia by 30 or 60 min filamentous occlusion of the middle cerebral artery (MCAo) and reperfusion. Spleen-derived MNCs were labeled with very small superparamagnetic iron-oxide particles (VSOP) and transfused into recipient mice 30 min, 8 h, or 24 h after MCAo via the tail vein. High-resolution MRI sequences were designed to monitor the dynamics of brain ischemia and to observe the ... Read More »
» Published in Neuroimage. 2006 Nov 15;33(3):886-97. Epub 2006 Sep 14.

13. In vivo models of angiogenesis.
Match Strength: 3.893

The process of building new blood vessels (angiogenesis) and controlling the propagation of blood vessels (anti-angiogenesis) are fundamental to human health, as they play key roles in wound healing and tissue growth. More than 500 million people may stand to benefit from anti- or pro-angiogenic treatments in the coming decades [National Cancer Institute (USA), Cancer Bulletin, volume 3, no. 9, 2006]. The use of animal models to assay angiogenesis is crucial to the search for therapeutic agents that inhibit angiogenesis in the clinical setting. Examples of persons that would benefit from these ... Read More »
» Published in J Cell Mol Med. 2006 Jul-Sep;10(3):588-612.

14. Hypoxia-induced upregulation of endothelial small G protein RhoA and Rho-kinase/ROCK2 inhibits eNOS expression.
Match Strength: 3.596

The small G protein RhoA and its downstream effector Rho-kinase/ROCK2 play an important role in regulation of various vasculature cellular functions. Nitric oxide (NO) produced by endothelial NO synthase (eNOS) is an important mediator of vascular homeostasis and cerebral blood flow. Using the human endothelial cell line HUVEC, the present study investigated the role of RhoA and Rho-kinase in endothelial eNOS protein expression under hypoxic conditions as an in vitro model of ischemia. RhoA protein levels in HUVEC were low under normoxic conditions, but were significantly increased after 5h of ... Read More »
» Published in Neurosci Lett. 2006 Nov 6;408(1):62-7. Epub 2006 Sep 25.

15. Nicotinamide reduces acute cortical neuronal death and edema in the traumatically injured brain.
Match Strength: 3.514

Previous studies have shown that administration of nicotinamide (Vitamin B(3)) in animal models of traumatic brain injury (TBI) and ischemia significantly reduced the size of infarction or injury and improved functional recovery. The present study evaluated the ability of nicotinamide to provide acute neuroprotection and edema reduction following TBI. Groups of rats were assigned to nicotinamide (500mg/kg) or saline (1.0ml/kg) treatment conditions and received contusion injuries or sham surgeries. Drug treatment was administered 15min following injury. Brains were harvested 24h later and ... Read More »
» Published in Neurosci Lett. 2006 Nov 6;408(1):35-9. Epub 2006 Sep 20.

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