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  1. Home
  2. Chung Shan Medical University
  3. Project/研究計畫(老師)
  4. Neuroserpin對廣東住血線蟲引起嗜伊紅性腦膜炎之小白鼠血液-中樞神經系統障壁損害之影響
 
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Neuroserpin對廣東住血線蟲引起嗜伊紅性腦膜炎之小白鼠血液-中樞神經系統障壁損害之影響

  • Details
Project title
98學年度國家科學及技術委員會補助研究計畫
Acronym
專題研究計畫
Internal ID
NSC98-2320-B040-003
Principal Investigator
Lee, Hsiu-Hsiung  
Status
research project
Start Date
August 1, 2009
End Date
July 31, 2010
Organizations
School of Medicine  
Partner Organizations
National Science and Technology Council  
Project Web Site
https://www.grb.gov.tw/search/planDetail?id=1909428
Keywords
廣東住血線蟲
嗜伊紅性腦膜腦炎
neuroserpin
血液-中樞神經系統障壁
血纖維蛋白?原活化因子
Description
血纖維蛋白酶原活化因子(plasminogen activators, PAs)是絲胺酸(serine)家族的蛋白酶,可將血纖維蛋白酶原(plasminogen)活化成血纖維蛋白酶(plasmin),此活化因子可分為tissue-type plasminogen activator (tPA)和urokinase-type plasminogen (uPA)兩種,血纖維蛋白酶會分解細胞外質(extracellular matrix, ECM),增加血腦障壁(blood-brain barrier, BBB)的通透性,媒介腦部的發炎反應,引起神經發炎。在細菌、病毒或黴菌引起的腦膜炎顯示腦脊髓液(cerebrospinal fluid, CSF) PAs增加。本實驗室先前的研究顯示PAs與嗜伊紅性腦膜炎(eosinophilic meningitis)有關,且可以做為廣東住血線蟲(Angiostrongylus cantonensis)引起腦膜炎的指標性酵素。Neuroserpin (NS)是PAs的抑制劑,特別是tissue-type plasminogen activator (tPA),NS主要表現在中樞神經系統中可調控tPA的活性、減少lamin的降解及microglial的活性以減少神經細胞受損,在腦部受傷的情況下NS可以減少tPA的thrombolysis因此可減少BBB的損害。因此,本研究主要探討NS對於鼷鼠感染廣東住血線蟲所造的BBB損害的保護作用,進一步找出廣東住血線蟲感染時導致嗜伊紅性腦膜腦炎之致病機轉及治療機制,由此模式提供臨床上治療此症。
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