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The promotion of cerebral ischemia recovery in rats by laminin-binding BDNF

Paper ID Volume ID Publish Year Pages File Format Full-Text
7344 550 2011 9 PDF Available
Title
The promotion of cerebral ischemia recovery in rats by laminin-binding BDNF
Abstract

Brain-derived neurotrophic factor (BDNF) has been shown to have therapeutic effects on cerebral ischemia. However, the delivery approach limits its application. Laminin is a rich extra cellular matrix in the central nervous system, and is highly expressed in the ischemic region after cerebral ischemia. We reported here by fusing with laminin-binding domain (LBD) to BDNF to construct laminin-binding BDNF (LBD-BDNF). LBD-BDNF could target accumulated laminin in the ischemic region and exert targeting therapy of injured neurons after ischemia. We examined the laminin-binding ability and neurotrophic bioactivity of LBD-BDNF in vitro, and assessed its targeting therapy using a rat permanent middle cerebral artery occlusion (MCAO) model in vivo. It was found that LBD-BDNF could specifically bind to laminin and maintain BDNF activity both in vitro and in vivo. LBD-BDNF treatment attenuated neural-degeneration after MCAO, and also resulted in a reduction of infarct volume that is associated with a parallel improvement in neurological functional outcome and neurogenesis in the dentate gyrus of hippocamp.

Keywords
Brain; Nerve regeneration; Drug delivery; Wound healing
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The promotion of cerebral ischemia recovery in rats by laminin-binding BDNF
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Publisher
Database: Elsevier - ScienceDirect
Journal: Biomaterials - Volume 32, Issue 22, August 2011, Pages 5077–5085
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
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Any Questions? feel free to contact us