Source:http://linkedlifedata.com/resource/pubmed/id/14753438
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rdf:type | |
lifeskim:mentions | |
pubmed:dateCreated |
2004-2-2
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pubmed:abstractText |
Vasogenic edema plays an important etiologic role in the pathogenesis of cerebral venous circulation disturbances (CVCDs). Since vascular endothelial growth factor (VEGF) is a major mediator in angiogenesis and vascular permeability, including induction of vasogenic edema, the present study was undertaken to investigate whether it has any relevance to CVCDs. Male Wistar rats (n = 15) were used. Two adjacent cortical veins were occluded photochemically using rose bengal dye and fiberoptic illumination, with evaluation 24 hours thereafter by magnetic resonance imaging (MRI). Each brain was removed from the skull immediately after MRI and processed for hematoxylin-eosin staining (H&E staining) of sections for histopathology and comparison with MRI data. VEGF expression as demonstrated immunohistochemically appeared to coincide with vasogenic edema, diagnosed as high intensity areas on apparent diffusion coefficient of water (ADCw) maps. On the basis of these data, we conclude that VEGF is related to formation of vasogenic edema in the acute stage of CVCD.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical | |
pubmed:status |
MEDLINE
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pubmed:issn |
0065-1419
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
86
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
213-7
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pubmed:dateRevised |
2006-11-15
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pubmed:meshHeading |
pubmed-meshheading:14753438-Animals,
pubmed-meshheading:14753438-Brain,
pubmed-meshheading:14753438-Brain Edema,
pubmed-meshheading:14753438-Cerebral Hemorrhage,
pubmed-meshheading:14753438-Cerebral Infarction,
pubmed-meshheading:14753438-Cerebral Veins,
pubmed-meshheading:14753438-Constriction, Pathologic,
pubmed-meshheading:14753438-Diffusion Magnetic Resonance Imaging,
pubmed-meshheading:14753438-Immunohistochemistry,
pubmed-meshheading:14753438-Male,
pubmed-meshheading:14753438-Rats,
pubmed-meshheading:14753438-Rats, Wistar,
pubmed-meshheading:14753438-Vascular Diseases,
pubmed-meshheading:14753438-Vascular Endothelial Growth Factor A
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pubmed:year |
2003
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pubmed:articleTitle |
Vasogenic edema and VEGF expression in a rat two-vein occlusion model.
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pubmed:affiliation |
Department of Neurosurgery, Nara Medical University, Nara, Japan. rkimura@nmu-gw.naramed-u.ac.jp
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pubmed:publicationType |
Journal Article,
Comparative Study
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