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Apoptosis in human atherosclerosis

  • Gerhard Bauriedel
  • Randolph Hutter
  • Ulrich Welsch
  • Berndt Lüderitz
Part of the Basic Science for the Cardiologist book series (BASC, volume 5)

Abstract

A better understanding and more effective treatment of acute coronary syndrome and postangioplasty restenosis remain major issues in clinical cardiology. As for acute coronary syndromes, from the pathobiologic perspective, instability of coronary atheroma (e.g. plaque rupture), and subsequent thrombosis may result in myocardial infarction and death, as well as the progression of the arteriosclerotic disease. The underlying factors and mechanisms causing plaque rupture are not completely understood. Recent investigational work on human vulnerable lesions shows a low density of smooth muscle cells (SMCs) and collagen as well as an increased frequency of inflammatory cells, associated with a considerable tissue degrading activity, to be basically implicated in the breakdown of the plaque fibrous cap (1–8). Indeed, elimination of SMCs via apoptosis (programmed cell death) may contribute to a weakened plaque texture and to a reduced production and deposition of extracellular matrix proteins, both leading to plaque instability.

Keywords

Unstable Angina Apoptotic Body Plaque Rupture Matrix Vesicle Human Vascular Smooth Muscle Cell 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Kluwer Academic Publishers 2000

Authors and Affiliations

  • Gerhard Bauriedel
    • 1
    • 2
  • Randolph Hutter
    • 1
    • 2
  • Ulrich Welsch
    • 1
    • 2
  • Berndt Lüderitz
    • 1
    • 2
  1. 1.Universität BonnBonnGermany
  2. 2.Universität MünchenMünchenGermany

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