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Related Concept Videos

Atherosclerosis I: Introduction01:30

Atherosclerosis I: Introduction

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...
Coronary Artery Disease II: Pathophysiology01:26

Coronary Artery Disease II: Pathophysiology

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...
Peripheral Artery Disease I: Introduction01:30

Peripheral Artery Disease I: Introduction

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, particularly the arteries supplying the thighs and calves. In rare cases, it may involve other arteries, including those in the arms.Etiology of PAD:The principal cause of PAD is atherosclerosis, which results from fatty...
Coronary Artery Disease I: Introduction01:30

Coronary Artery Disease I: Introduction

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...
Inflammation01:38

Inflammation

Overview
Atherosclerosis II: Clinical Manifestations and Diagnostic Tests01:27

Atherosclerosis II: Clinical Manifestations and Diagnostic Tests

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)...

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Related Experiment Video

Updated: Jun 10, 2026

Using En Face Immunofluorescence Staining to Observe Vascular Endothelial Cells Directly
06:09

Using En Face Immunofluorescence Staining to Observe Vascular Endothelial Cells Directly

Published on: August 20, 2019

From endothelial dysfunction to atherosclerosis.

S Sitia1, L Tomasoni, F Atzeni

  • 1IRCCS Galeazzi Orthopedic Institute, Department of Health Technologies, Università di Milano, Milan, Italy.

Autoimmunity Reviews
|August 4, 2010
PubMed
Summary
This summary is machine-generated.

Endothelial dysfunction, a key factor in atherosclerosis, is linked to cardiovascular risks and immune system involvement. Understanding its genetic basis offers new approaches to cardiovascular disease.

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Ultrasound Assessment of Endothelial Function: A Technical Guideline of the Flow-mediated Dilation Test
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Ultrasound Assessment of Endothelial Function: A Technical Guideline of the Flow-mediated Dilation Test

Published on: April 27, 2016

Related Experiment Videos

Last Updated: Jun 10, 2026

Using En Face Immunofluorescence Staining to Observe Vascular Endothelial Cells Directly
06:09

Using En Face Immunofluorescence Staining to Observe Vascular Endothelial Cells Directly

Published on: August 20, 2019

Ultrasound Assessment of Endothelial Function: A Technical Guideline of the Flow-mediated Dilation Test
06:35

Ultrasound Assessment of Endothelial Function: A Technical Guideline of the Flow-mediated Dilation Test

Published on: April 27, 2016

Area of Science:

  • Cardiovascular Science
  • Immunology
  • Genetics

Background:

  • Endothelial dysfunction, marked by reduced nitric oxide bioavailability, is an early atherosclerosis stage.
  • Traditional cardiovascular risk factors (dyslipidemia, hypertension, hyperglycemia, diabetes) and factors like oxidized LDLs contribute to its pathogenesis.
  • The immune system, particularly autoimmunity, plays a significant role in endothelial dysfunction and atherosclerosis development.

Purpose of the Study:

  • To review the pathogenesis and development of endothelial dysfunction.
  • To highlight the role of traditional cardiovascular risk factors and immune system involvement.
  • To discuss the utility of vasoreactivity tests and the future potential of genetic studies.

Main Methods:

  • Review of current literature on endothelial dysfunction and atherosclerosis.
  • Discussion of traditional cardiovascular risk factors and their impact on endothelial function.
  • Exploration of immune system's role, including autoimmunity and systemic autoimmune diseases.
  • Evaluation of vasoreactivity tests (e.g., flow-mediated dilation) and coronary microvascular dysfunction assessment (e.g., echocardiography).
  • Consideration of genetic factors in endothelial damage.

Main Results:

  • Endothelial dysfunction is strongly associated with traditional cardiovascular risk factors.
  • Oxidized low-density lipoproteins, renin-angiotensin axis, and insulin resistance are key pathogenetic factors.
  • Immune system activation and autoimmunity are increasingly recognized in endothelial dysfunction and atherosclerosis.
  • Vasoreactivity tests and coronary microvascular function assessments can detect preclinical impairment.
  • Genetic underpinnings of endothelial damage offer potential for improved cardiovascular disease management.

Conclusions:

  • Endothelial dysfunction is a central mechanism in atherosclerosis, influenced by cardiovascular risk factors and immune pathways.
  • Non-invasive tests and genetic insights are crucial for early detection and personalized treatment of cardiovascular diseases.
  • Further research into the genetic basis and immune mechanisms of endothelial dysfunction is warranted for advancing cardiovascular medicine.