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Related Concept Videos

Atherosclerosis I: Introduction01:30

Atherosclerosis I: Introduction

13
Atherosclerosis is a progressive disorder characterized by the buildup of plaques on the arterial inner wall, causing them to narrow and harden over time. These plaques comprise lipids, calcium, blood components, carbohydrates, and fibrous tissue. The process primarily affects the intima of large and medium-sized arteries, reducing blood flow in any artery.Etiology and risk factorsThe cause of atherosclerosis is multifactorial, involving a complex interplay among endothelial injury, lipid...
13
Coronary Artery Disease II: Pathophysiology01:26

Coronary Artery Disease II: Pathophysiology

15
Coronary Artery Disease (CAD) originates from a series of events that impair the function of coronary arteries, the blood vessels responsible for delivering oxygen-rich blood to the heart muscle. The pathophysiology of CAD is closely linked to atherosclerosis, a chronic inflammatory and lipid-driven condition affecting the vascular endothelium.1. Endothelial DamageThe process begins with damage to the vascular endothelium, which serves as a protective barrier between the blood and the vessel...
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Coronary Artery Disease I: Introduction01:30

Coronary Artery Disease I: Introduction

28
Coronary Artery Disease (CAD): An Overview with Scientific InsightsCoronary Artery Disease (CAD), often referred to as C-A-D, is a prevalent blood vessel disorder classified under the broader category of atherosclerosis. Atherosclerosis is a pathological process characterized by the hardening and narrowing of arteries due to the accumulation of atherosclerotic plaques. These plaques are composed of cholesterol, fatty substances, inflammatory cells, calcium, and fibrin, reducing blood flow to...
28
Peripheral Artery Disease I: Introduction01:30

Peripheral Artery Disease I: Introduction

11
Peripheral artery disease (PAD) predominantly results from atherosclerosis, which involves the accumulation of fatty deposits, or plaques, within the walls of arteries. This causes them to narrow and harden, significantly reducing blood flow. PAD predominantly affects the legs but also impacts other areas, such as the arms, thereby impairing overall circulation and organ function.Etiology of PAD:The principal cause of PAD is atherosclerosis, which results from fatty deposits inside the arterial...
11
Atherosclerosis II: Clinical Manifestations and Diagnostic Tests01:27

Atherosclerosis II: Clinical Manifestations and Diagnostic Tests

16
Atherosclerosis is a progressive disorder that leads to the thickening and narrowing of arterial walls due to plaque buildup. This condition can cause various symptoms depending on the arteries affected:Coronary Artery Disease (CAD): This condition affects the coronary arteries and may lead to chest pain (angina), shortness of breath (dyspnea), heart attacks, and other heart disease symptoms.Cerebrovascular Disease: This affects blood flow to the brain, causing transient ischemic attacks (TIAs)...
16

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Updated: Jul 25, 2025

Measuring the Stiffness of Ex Vivo Mouse Aortas Using Atomic Force Microscopy
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Matrix stiffness, endothelial dysfunction and atherosclerosis.

Zichen Xu1, Yi Chen2, Yi Wang3

  • 1Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, 400030, China.

Molecular Biology Reports
|June 29, 2023
PubMed
Summary
This summary is machine-generated.

Matrix stiffness significantly impacts endothelial cell dysfunction, promoting atherosclerosis progression. Understanding these mechanobiological mechanisms is key to developing new treatments for cardiovascular diseases.

Keywords:
AtherosclerosisEC phagocytosisEndothelial cellsMacrophageMatrix stiffness

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Area of Science:

  • Biomedical Engineering
  • Cardiovascular Research
  • Cellular Mechanobiology

Background:

  • Atherosclerosis (AS) is a primary cause of cardiovascular diseases (CVDs).
  • Endothelial dysfunction, characterized by monocyte infiltration and inflammation, is central to atherogenesis.
  • Endothelial cells (ECs) are mechanosensitive, responding differently to mechanical stimuli like matrix stiffness.

Purpose of the Study:

  • To review the effects of matrix stiffness on pro-atherosclerotic characteristics of ECs.
  • To explore the underlying mechanisms of matrix stiffness-mediated EC dysfunction.
  • To compare the roles of matrix stiffness in macrophage and EC phagocytosis in AS progression.

Main Methods:

  • Literature review focusing on matrix stiffness and endothelial cell mechanobiology.
  • Analysis of studies investigating EC morphology, rigidity, behavior, and function under varying matrix stiffness.
  • Examination of research on phagocytosis in AS progression related to matrix stiffness.

Main Results:

  • Matrix stiffness alters EC morphology, rigidity, biological behavior, and function, contributing to AS.
  • Mechanisms linking matrix stiffness to EC dysfunction and pro-atherosclerotic changes are elucidated.
  • Matrix stiffness influences macrophage and EC phagocytosis, impacting AS development.

Conclusions:

  • Matrix stiffness is a critical factor in endothelial dysfunction and AS progression.
  • Understanding mechanobiological signaling in ECs offers novel therapeutic targets for atherosclerosis.
  • Further research into matrix stiffness-EC interactions can improve prevention and treatment strategies for cardiovascular diseases.