Endothelial Reprogramming in Atherosclerosis

Author:

Zhang Lu1,Wu Xin1ORCID,Hong Liang123

Affiliation:

1. Department of Medicine, University of Illinois at Chicago, Chicago, IL 60612, USA

2. Department of Biomedical Engineering, University of Illinois at Chicago, Chicago, IL 60612, USA

3. Department of Physiology and Biophysics, University of Illinois at Chicago, Chicago, IL 60612, USA

Abstract

Atherosclerosis (AS) is a severe vascular disease that results in millions of cases of mortality each year. The development of atherosclerosis is associated with vascular structural lesions, characterized by the accumulation of immune cells, mesenchymal cells, lipids, and an extracellular matrix at the intimal resulting in the formation of an atheromatous plaque. AS involves complex interactions among various cell types, including macrophages, endothelial cells (ECs), and smooth muscle cells (SMCs). Endothelial dysfunction plays an essential role in the initiation and progression of AS. Endothelial dysfunction can encompass a constellation of various non-adaptive dynamic alterations of biology and function, termed “endothelial reprogramming”. This phenomenon involves transitioning from a quiescent, anti-inflammatory state to a pro-inflammatory and proatherogenic state and alterations in endothelial cell identity, such as endothelial to mesenchymal transition (EndMT) and endothelial-to-immune cell-like transition (EndIT). Targeting these processes to restore endothelial balance and prevent cell identity shifts, alongside modulating epigenetic factors, can attenuate atherosclerosis progression. In the present review, we discuss the role of endothelial cells in AS and summarize studies in endothelial reprogramming associated with the pathogenesis of AS.

Funder

National Institute of Health

American Heart Association

Publisher

MDPI AG

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