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相关概念视频

Role of Matrix Metalloproteases in Degradation of ECM01:23

Role of Matrix Metalloproteases in Degradation of ECM

Matrix metalloproteases (MMPs) are enzymes involved in the hydrolysis of proteins and glycoproteins of the extracellular matrix. MMPs are essential for the migration and proliferation of cells through the dense matrix network, throughout embryonic development, and throughout morphogenesis. The first MMP activity discovered was a collagenase in a tadpole's tail undergoing metamorphosis. The active collagen deposition and modifications lead to the morphogenesis of tadpoles into the adult body.
A...
Antiplatelet Drugs: Prostaglandin Synthesis, P2Y12 and Glycoprotein IIb/IIIa Inhibitors01:20

Antiplatelet Drugs: Prostaglandin Synthesis, P2Y12 and Glycoprotein IIb/IIIa Inhibitors

Antiplatelet drugs emerge as frontline defenders against the insidious threat of thromboembolic diseases, where abnormal clots obstruct vital blood vessels. These drugs stand as bulwarks, inhibiting platelet aggregation and clot formation, thereby mitigating the risk of life-threatening conditions like myocardial infarction, coronary artery disease, and thrombotic strokes.
Prostaglandin synthesis inhibitors, exemplified by the widely known aspirin, wield their power by irreversibly acetylating...
Myocarditis I: Introduction01:21

Myocarditis I: Introduction

Myocarditis is inflammation of the myocardium, which is the muscular layer of the heart.EtiologyMyocarditis has a diverse etiology, including a wide range of infectious and non-infectious causes:Infectious CausesViral: Common viruses include Coxsackie A and B, adenovirus, parvovirus B19, enteroviruses, and influenza A.Bacterial: Examples include infections caused by Streptococcus, Staphylococcus, and Mycoplasma species.Rickettsial: Infections like Rocky Mountain spotted fever can result in...
Myocarditis III: Medical Management01:14

Myocarditis III: Medical Management

Myocarditis: Comprehensive Medical ManagementMyocarditis, the heart muscle inflammation, requires a comprehensive medical management strategy that addresses the underlying cause, provides supportive care, manages symptoms, and reduces cardiac workload.Infections and Autoimmune CausesAdminister appropriate antimicrobial therapy when an infectious agent causes myocarditis. For instance, penicillin treats infections caused by Group A Streptococcus. In cases where autoimmune processes are...

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Updated: Jul 8, 2026

Detection of Functional Matrix Metalloproteinases by Zymography
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Detection of Functional Matrix Metalloproteinases by Zymography

Published on: November 8, 2010

在患有川崎病的患者中,循环矩阵金属蛋白酶及其抑制剂.

H Senzaki1, S Masutani, J Kobayashi

  • 1Departments of Pediatric Cardiology and Pediatrics, Saitama Heart Institute, Saitama Medical School Hospital, Saitama, Japan. hsenzaki@saitama-med.ac.jp

Circulation
|August 22, 2001
PubMed
概括

患有川崎病且矩阵金属蛋白酶 (MMP) 或MMP/MMP组织抑制剂 (TIMP) 比率升高的患者对冠状动脉病变的敏感性增加. 药物可能是预防这些病变的治疗目标.

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科学领域:

  • 心血管研究研究心血管研究
  • 免疫学 免疫学 免疫学
  • 生物化学 生物化学

背景情况:

  • 矩阵金属蛋白酶 (MMPs) 和MMP的组织抑制剂 (TIMPs) 在各种病理中与矩阵分解有关.
  • 在MMPs和TIMPs之间的不平衡可能会导致川崎病冠状动脉壁的破坏.

研究的目的:

  • 调查MMP,TIMP和川崎病冠状动脉病变之间的关联.
  • 在治疗前和治疗后评估MMP和TIMP水平在Kawasaki病患者.

主要方法:

  • 酶相关免疫试验用于测量MMPs,中性粒细胞弹性酶和TIMPs的血水平.
  • 57名没有冠状动脉病变的川崎病患者和8名病变患者与对照组进行了比较.

主要成果:

  • 卡瓦萨基病患者的MMP,中性粒细胞弹性酶和TIMP水平明显高于对照组.
  • 在冠状动脉病变患者中观察到较高的MMP9/TIMP2和MMP3/TIMP1比率.

结论:

  • 较高的MMP和/或MMP/TIMP比率表明在Kawasaki疾病中对冠状动脉病变的敏感性.
  • 在这种情况下,MMP抑制剂可能是预防冠状动脉病变的潜在治疗策略.