2013 Fiscal Year Final Research Report
A possible neuroprotective role of ADAMTS13 by ameliorating post-ischemic hypoperfusion
Project/Area Number |
23590654
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Research Category |
Grant-in-Aid for Scientific Research (C)
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Allocation Type | Multi-year Fund |
Section | 一般 |
Research Field |
Applied pharmacology
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Research Institution | Fukuoka University |
Principal Investigator |
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Co-Investigator(Kenkyū-buntansha) |
FUJIWARA Michihiro 福岡大学, 薬学部, 教授 (10091331)
IRIE Keiichi 福岡大学, 加齢脳科学研究所, 研究員 (50509669)
|
Project Period (FY) |
2011 – 2013
|
Keywords | ADAMTS13 / 脳虚血 / VWF / t-PA / Tsp-1 |
Research Abstract |
Tissue plasminogen activator (t-PA) sometimes causes hemorrhagic complications in ischemic stroke. ADAMTS13, vWF-cleaving protease, maintains a physiologic balance between hemostasis and thrombolysis via regulation of vWF function. However, the pathophysiological role of ADAMTS13 in cerebral ischemia has not been investigated. In this study, we used ADAMTS13 knockout (KO) and Wild type (WT) mice subjected to 30 min of middle cerebral artery occlusion (MCAO). Infarct volume and plasma HMGB1 , inflammatory cytokine, was significantly increased at 24 hours after the reperfusion in KO mice. Further, ADAMTS13 protein significantly reduced the infarct volume without hemorrhagic complications using a 4hr-MCAO in WT mice. But, t-PA caused massive bleeding. These results indicate that ADAMTS13 would become a new therapeutic approach for ischemic stroke by regulating blood flow and inflammation without hemorrhagic complications.
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Author(s)
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Place of Presentation
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Year and Date
20130327-30
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Organizer
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Place of Presentation
熊本
Year and Date
2012-11-23
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[Presentation] 新生児低酸素性虚血性脳症モデルラットにおける脳損傷に対するドパミン神経系の関与2011
Author(s)
坂元佑哉, 秋武義治, 入江圭一, 宮﨑蓉子, 栫千恵, 中村裕司, 窪田香織, 桂林秀太郎, 高崎浩太郎, 三島健一, 岩崎克典, 藤原道弘
Organizer
第39回薬物活性シンポジウム
Place of Presentation
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Year and Date
2011-11-21
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[Patent(Industrial Property Rights)] 血栓形成予防薬として利用されるADAMTS13誘導剤2011
Inventor(s)
入江圭一, 藤原道弘, 岩橋克典, 三島健一, 中野貴文, 片岡泰文, 山内淳史, 佐藤朝光, 坂元佑哉, 平松征洋, 川崎圭祐
Industrial Property Rights Holder
福岡大学
Industrial Property Rights Type
特許特開2013-056861
Patent Publication Number
特開2013-056861
Filing Date
2011-09-09
Overseas