QUANTITATIVE EVALUATION OF BLOOD BRAIN BARRIER PERMEABILITY IN TRANSIENT FOCAL CEREBRAL ISCHEMIA IN RATS

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PANAH POUR H.A.; NEKOUEIAN A.A.; DEHGHAN GH.A.

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Journal: Physiology and Pharmacology Year:2007 | Volume:11 | Issue:2 Page(s): 99-106

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Title

QUANTITATIVE EVALUATION OF BLOOD BRAIN BARRIER PERMEABILITY IN TRANSIENT FOCAL CEREBRAL ISCHEMIA IN RATS

Author(s)

PANAH POUR H.A. | NEKOUEIAN A.A. | DEHGHAN GH.A. | Issue Writer Certificate

Keywords

ISCHEMIC BRAIN EDEMAQ3

EVANS BLUEQ3

BLOOD- BRAIN BARRIERQ3

RATQ3

Abstract

Introduction: Development of brain edema following focal cerebral ischemia exacerbates primary ischemic injury. Blood brainbarrier (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 sham operated) were anesthetized with i.p. injection of chloral hydrate. In the ischemic group, middle cerebral artery (MCA) was occluded for 60 minutes using intraluminal filament method followed by reperfusion. In sham group all procedures, except MCA occlusion, were same as the ischemic group. An LV. injection of EVANS BLUE (EB) was done 30 minutes after surgery. After 24 hours of reperfusion the neurological deficit score (NDS) was evaluated with a standard test. Then the animal was killed, the brain excised and prepared for quantitative evaluation of BBB permeability by detection of (EB) extravasations.Results: The mean of NDS in sham and ischemic groups were 1 and 2.25±0.31 respectively, indicating severe motor disabilities due to cerebral ischemia. In the ischemic group the concentration of EB in the right hemisphere (ischemic) was 12.48±1.94mg/g which was significantly higher than of the left hemisphere (1.44±0.39mg/g) or both hemispheres of the sham group. Furthermore, a direct correlation seems to exist between NDS and EB concentration ischemic RATs.Conclusion: This study is indicating that quantitative detection of EVANS BLUE extravagation technique is capable of measuring the alterations of BBB permeability in cerebral ischemia in the RAT.

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APA: Copy

PANAH POUR, H.A., NEKOUEIAN, A.A., & DEHGHAN, GH.A.. (2007). QUANTITATIVE EVALUATION OF BLOOD BRAIN BARRIER PERMEABILITY IN TRANSIENT FOCAL CEREBRAL ISCHEMIA IN RATS. PHYSIOLOGY AND PHARMACOLOGY, 11(2), 99-106. SID. https://sid.ir/paper/75154/en

Vancouver: Copy

PANAH POUR H.A., NEKOUEIAN A.A., DEHGHAN GH.A.. QUANTITATIVE EVALUATION OF BLOOD BRAIN BARRIER PERMEABILITY IN TRANSIENT FOCAL CEREBRAL ISCHEMIA IN RATS. PHYSIOLOGY AND PHARMACOLOGY[Internet]. 2007;11(2):99-106. Available from: https://sid.ir/paper/75154/en

IEEE: Copy

H.A. PANAH POUR, A.A. NEKOUEIAN, and GH.A. DEHGHAN, “QUANTITATIVE EVALUATION OF BLOOD BRAIN BARRIER PERMEABILITY IN TRANSIENT FOCAL CEREBRAL ISCHEMIA IN RATS,” PHYSIOLOGY AND PHARMACOLOGY, vol. 11, no. 2, pp. 99–106, 2007, [Online]. Available: https://sid.ir/paper/75154/en

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