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Neovascularization in human atherosclerosis.

P R Moreno1, K R Purushothaman, E Zias

  • 1The Zena and Michael A. Wiener Cardiovascular Institute, and The Marie-Josee and Henry R. Kravis Cardiovascular Health Center, The Mount Sinai School of Medicine, New York, NY 10029, USA. pedro.moreno@msnyuhealth.org

Current Molecular Medicine
|August 22, 2006
PubMed
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Microvessels are crucial in atherosclerosis, supplying nutrients and facilitating inflammation. Their role expands in advanced disease, impacting plaque rupture and restenosis, potentially aiding future risk stratification.

Area of Science:

  • Cardiovascular Biology
  • Pathology
  • Angiogenesis Research

Background:

  • In healthy vessels, microvessels nourish the tunica media, while the intima relies on oxygen diffusion.
  • Intima thickening in atherosclerosis impairs diffusion, making microvessels essential for vessel wall nutrition.
  • Microvessels act as entry points for inflammatory cells into atherosclerotic lesions.

Purpose of the Study:

  • To review the current understanding of microvessel neovascularization in atherosclerosis.
  • To detail the structure, function, and pathological roles of vasa vasorum in atherosclerosis.
  • To provide a comprehensive overview from normal physiology to advanced disease stages.

Main Methods:

  • Literature review of scientific articles on atherosclerosis and microvessel biology.

Related Experiment Videos

  • Synthesis of information on microvessel anatomy, physiology, and pathology.
  • Analysis of the role of microvessels in various stages of atherosclerotic disease progression.

    • Main Results:

    • Microvessels become vital nutrient sources as atherosclerosis progresses.
    • They facilitate inflammatory cell entry, intraplaque hemorrhage, and lipid core expansion.
    • Microvessels are implicated in stent restenosis, plaque regression, and rupture.

    Conclusions:

    • Microvessels are pivotal in atherosclerosis development and progression.
    • Detecting increased neovascularization may improve patient risk stratification.
    • Understanding microvessel roles offers a bench-to-bedside approach for clinical application.