Role of Endothelial Shear Stress in the Natural History of Coronary Atherosclerosis and Vascular Remodeling. Molecular, Cellular, and Vascular Behavior

Ioannis S Chatzizisis, Ahmet Umit Coskun, Michael Jonas, Elazer R. Edelman, Charles L. Feldman, Peter H. Stone

Research output: Contribution to journalReview article

776 Citations (Scopus)

Abstract

Although the entire coronary tree is exposed to the atherogenic effect of the systemic risk factors, atherosclerotic lesions form at specific arterial regions, where low and oscillatory endothelial shear stress (ESS) occur. Low ESS modulates endothelial gene expression through complex mechanoreception and mechanotransduction processes, inducing an atherogenic endothelial phenotype and formation of an early atherosclerotic plaque. Each early plaque exhibits an individual natural history of progression, regression, or stabilization, which is dependent not only on the formation and progression of atherosclerosis but also on the vascular remodeling response. Although the pathophysiologic mechanisms involved in the remodeling of the atherosclerotic wall are incompletely understood, the dynamic interplay between local hemodynamic milieu, low ESS in particular, and the biology of the wall is likely to be important. In this review, we explore the molecular, cellular, and vascular processes supporting the role of low ESS in the natural history of coronary atherosclerosis and vascular remodeling and indicate likely mechanisms concerning the different natural history trajectories of individual coronary lesions. Atherosclerotic plaques associated with excessive expansive remodeling evolve to high-risk plaques, because low ESS conditions persist, thereby promoting continued local lipid accumulation, inflammation, oxidative stress, matrix breakdown, and eventually further plaque progression and excessive expansive remodeling. An enhanced understanding of the pathobiologic processes responsible for atherosclerosis and vascular remodeling might allow for early identification of a high-risk coronary plaque and thereby provide a rationale for innovative diagnostic and/or therapeutic strategies for the management of coronary patients and prevention of acute coronary syndromes.

Original languageEnglish (US)
Pages (from-to)2379-2393
Number of pages15
JournalJournal of the American College of Cardiology
Volume49
Issue number25
DOIs
StatePublished - Jun 26 2007

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Blood Vessels
Coronary Artery Disease
Atherosclerotic Plaques
Natural History
Atherosclerosis
Acute Coronary Syndrome
Oxidative Stress
Hemodynamics
Inflammation
Phenotype
Lipids
Gene Expression
Vascular Remodeling
Therapeutics

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

Cite this

Role of Endothelial Shear Stress in the Natural History of Coronary Atherosclerosis and Vascular Remodeling. Molecular, Cellular, and Vascular Behavior. / Chatzizisis, Ioannis S; Coskun, Ahmet Umit; Jonas, Michael; Edelman, Elazer R.; Feldman, Charles L.; Stone, Peter H.

In: Journal of the American College of Cardiology, Vol. 49, No. 25, 26.06.2007, p. 2379-2393.

Research output: Contribution to journalReview article

Chatzizisis, Ioannis S ; Coskun, Ahmet Umit ; Jonas, Michael ; Edelman, Elazer R. ; Feldman, Charles L. ; Stone, Peter H. / Role of Endothelial Shear Stress in the Natural History of Coronary Atherosclerosis and Vascular Remodeling. Molecular, Cellular, and Vascular Behavior. In: Journal of the American College of Cardiology. 2007 ; Vol. 49, No. 25. pp. 2379-2393.
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