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Metalloproteinase and stroke infarct size: role for anti-inflammatory treatment?

机译:金属蛋白酶和中风梗死面积:抗炎治疗的作用?

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摘要

Deregulation of matrix metalloproteinases (MMPs), the largest class of human proteases, has been implicated in brain damage in both animal and human studies. Some MMPs are elevated after stroke (both in plasma and in brain tissue), and their expression is enhanced by t-PA during thrombolysis related to hemorrhagic transformation events. Although the exact cellular source of MMPs remains unknown, brain endothelium, astrocytes, neurons, and inflammatory-activated cells, such as neutrophils, may release MMP-2, MMP-3, MMP-8, MMP-9, MMP-10, and/or MMP-13. Neurovascular perturbations occurring after stroke lead to blood-brain barrier leakage, edema, hemorrhage, leukocyte infiltration, and progressive inflammatory reactions to brain injury over hours or even days after the initial stroke. Synthesized MMP inhibitors and several compounds used for stroke secondary prevention, such as anti-inflammatory drugs, might decrease MMPs and improve the acute treatment of human brain ischemia without compromising the beneficial effects of matrix plasticity during stroke recovery.
机译:在动物和人类研究中,人类金属蛋白酶中最大的一类是基质金属蛋白酶(MMPs)的失调与脑损伤有关。一些MMP在中风后升高(在血浆和脑组织中都升高),并且在与出血性转化事件相关的溶栓过程中,t-PA增强了它们的表达。尽管尚不清楚MMP的确切细胞来源,但脑内皮细胞,星形胶质细胞,神经元和炎症激活细胞(如嗜中性粒细胞)可能释放MMP-2,MMP-3,MMP-8,MMP-9,MMP-10和/或MMP-13。脑卒中后发生的神经血管扰动会导致脑卒中后数小时甚至数天的血脑屏障渗漏,水肿,出血,白细胞浸润以及对脑损伤的进行性炎症反应。合成的MMP抑制剂和几种用于中风二级预防的化合物,例如消炎药,可能会降低MMPs并改善人脑缺血的急性治疗,而不会损害中风恢复过程中基质可塑性的有益作用。

著录项

  • 来源
    《Annals of the New York Academy of Sciences》 |2010年第207期|p.123-133|共11页
  • 作者单位

    Neurovascular Research Laboratory, Neurology Department, Hospital Universitari Vall d'Hebron, Institut de Recerca (VHIR), Universitat Autonoma de Barcelona, Spain;

    rnNeurovascular Research Laboratory, Neurology Department, Hospital Universitari Vall d'Hebron, Institut de Recerca (VHIR), Universitat Autonoma de Barcelona, Spain;

    rnNeurovascular Research Laboratory, Neurology Department, Hospital Universitari Vall d'Hebron, Institut de Recerca (VHIR), Universitat Autonoma de Barcelona, Spain;

    rnNeurovascular Research Laboratory, Neurology Department, Hospital Universitari Vall d'Hebron, Institut de Recerca (VHIR), Universitat Autonoma de Barcelona, Spain Passeig Vail d'Hebron 119-129 08035, Barcelona, Spain;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    stroke; biomarkers; ischemia; thrombolysis; metalloproteinases;

    机译:中风;生物标志物局部缺血溶栓金属蛋白酶;

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