Vascular protection and restorative therapy in ischemic stroke.

Abstract:

:Possible strategies for treating stroke include: 1) thrombolytic therapy with tissue plasminogen activator (tPA): restoring cerebral blood flow in the acute phase of ischemic stroke but sometimes causing hemorrhagic transformation (HT); 2) stem cell therapy: the repair of disrupted neuronal networks with newly born neurons in the chronic phase of ischemic stroke. Firstly, we estimated the vascular protective effect of a free radical scavenger, edaravone, in the tPA-treated rat model of middle cerebral artery occlusion. Edaravone prevented dramatically decreased the hemorrhagic transformation and improved the neurologic score and survival rate of tPA-treated rats. Secondly, we attempted to restore brain tissue using a novel biomaterial, polydimethysiloxane-tetraethoxysilane (PDMS-TEOS) hybrid with or without vascular endothelial growth factor (VEGF), and we could show that implantation of a PDMS-TEOS scaffold with VEGF might be effective for treating old brain infarction or trauma. In the future, we will combine these strategies to develop more effective therapies for treatment of strokes.

journal_name

Cell Transplant

journal_title

Cell transplantation

authors

Yamashita T,Deguchi K,Nagotani S,Abe K

doi

10.3727/096368910X532800

subject

Has Abstract

pub_date

2011-01-01 00:00:00

pages

95-7

issue

1

eissn

0963-6897

issn

1555-3892

pii

ct2307yamashita

journal_volume

20

pub_type

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