Literature DB >> 12507394

Transient forebrain ischemia increases the blood-brain barrier permeability for albumin in stroke-prone spontaneously hypertensive rats.

Csongor S Abrahám1, Noboru Harada, Mária A Deli, Masami Niwa.   

Abstract

1. The aim of the present study was to reveal the effect of transient forebrain ischemia on the regional and temporal changes in the permeability of the blood-brain barrier (BBB) permeability for sodium fluorescein (MW: 376 Da) and Evan's blue-labeled albumin (MW: 67 kDa) in stroke-prone spontaneously hypertensive rats (SHRSP). 2. BBB permeability was significantly higher in the brain regions of 16-week-old control SHRSP than those in age-matched normotensive Wistar-Kyoto rats. 3. Transient forebrain ischemia evoked by 10-min bilateral carotid occlusion increased the permeability of the BBB for albumin, but not for sodium fluorescein, after 6 and 24 h of reperfusion in brain regions of SHRSP. 4. Extravasation of serum macromolecules may contribute to neuronal loss and development of hypertensive encephalopathy in SHRSP.

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Year:  2002        PMID： 12507394     DOI： 10.1023/a:1021067822435

Source DB:  PubMed          Journal:  Cell Mol Neurobiol        ISSN： 0272-4340            Impact factor:   5.046


  17 in total

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