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Coronary Artery Disease II: Pathophysiology01:26

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Calcification of Vascular Smooth Muscle Cells and Imaging of Aortic Calcification and Inflammation
08:43

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Published on: May 31, 2016

Cardiovascular calcification: an inflammatory disease.

Sophie E P New1, Elena Aikawa

  • 1Center for Interdisciplinary Cardiovascular Sciences, Brigham and Women's Hospital, Boston, MA 02115, USA.

Circulation Journal : Official Journal of the Japanese Circulation Society
|May 14, 2011
PubMed
Summary

Cardiovascular calcification, a risk factor for heart disease, is an active inflammatory process, not passive degeneration. Inflammation and calcification create a feedback loop driving disease progression.

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Area of Science:

  • Cardiovascular Biology
  • Inflammation Research
  • Metabolic Disease Mechanisms

Background:

  • Cardiovascular calcification is a significant risk factor for morbidity and mortality.
  • It is now understood as an active, inflammation-driven process rather than passive degeneration.
  • A positive feedback loop between inflammation and calcification is implicated in disease progression.

Purpose of the Study:

  • To review the evidence supporting cardiovascular calcification as an inflammation-dependent process.
  • To discuss the underlying mechanisms linking inflammation to vascular and valvular calcification.
  • To highlight the progression of research from histopathology to molecular imaging.

Main Methods:

  • Review of histopathological studies identifying inflammatory cells in early lesions.
  • Analysis of in vitro studies on smooth muscle cell osteogenic differentiation and mineralization.
  • Examination of evidence from animal models and molecular imaging techniques.

Main Results:

  • Early lesions in cardiovascular calcification show accumulation of macrophages and T lymphocytes.
  • In vitro studies demonstrate inflammatory stimulation of smooth muscle cell calcification.
  • Animal models and molecular imaging provide strong support for an inflammatory basis of the disease.

Conclusions:

  • Cardiovascular calcification is fundamentally an inflammatory disease.
  • Similar mechanisms may underlie both calcific aortic valve disease and atherosclerotic arterial calcification.
  • Further research is needed to fully elucidate the complex mechanisms involved.