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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...
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Atherosclerosis III: Management01:26

Atherosclerosis III: Management

Management of atherosclerosis involves an integrated strategy encompassing pharmacological treatment, surgical interventions, lifestyle changes, and nutrition therapy to address the multifactorial nature of the disease.Pharmacological TherapyA cornerstone of atherosclerosis management is the use of pharmacological agents. Statins, such as atorvastatin, are pivotal in inhibiting HMG-CoA reductase, an enzyme that catalyzes an initial step in cholesterol synthesis in the liver. This reduction in...
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...

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Related Experiment Video

Updated: May 30, 2026

The Rabbit Model of Accelerated Atherosclerosis: A Methodological Perspective of the Iliac Artery Balloon Injury
09:14

The Rabbit Model of Accelerated Atherosclerosis: A Methodological Perspective of the Iliac Artery Balloon Injury

Published on: October 3, 2017

Reaction-diffusion model of atherosclerosis development.

N El Khatib1, S Genieys, B Kazmierczak

  • 1Institute of Mathematics, Université Lyon 1, UMR 5208 CNRS, 69622, Villeurbanne, France.

Journal of Mathematical Biology
|August 23, 2011
PubMed
Summary
This summary is machine-generated.

Atherosclerosis, a vascular inflammation, develops as a reaction-diffusion wave. Mathematical modeling and simulations confirm this process, involving inflammatory cells and cytokines within blood vessel walls.

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Induction of Accelerated Atherosclerosis in Mice: The "Wire-Injury" Model
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Induction of Accelerated Atherosclerosis in Mice: The "Wire-Injury" Model

Published on: August 25, 2020

Related Experiment Videos

Last Updated: May 30, 2026

The Rabbit Model of Accelerated Atherosclerosis: A Methodological Perspective of the Iliac Artery Balloon Injury
09:14

The Rabbit Model of Accelerated Atherosclerosis: A Methodological Perspective of the Iliac Artery Balloon Injury

Published on: October 3, 2017

Induction of Accelerated Atherosclerosis in Mice: The "Wire-Injury" Model
05:35

Induction of Accelerated Atherosclerosis in Mice: The "Wire-Injury" Model

Published on: August 25, 2020

Area of Science:

  • Biomedical Engineering
  • Mathematical Biology
  • Cardiovascular Research

Background:

  • Atherosclerosis initiates as an inflammatory process within blood vessel walls (intima).
  • This involves monocyte recruitment, differentiation into macrophages and foam cells, and cytokine production, leading to plaque formation.
  • Low-density lipoproteins significantly influence this self-accelerating inflammatory cascade.

Purpose of the Study:

  • To develop and analyze a 2D mathematical model for atherosclerosis initiation and progression.
  • To investigate the role of cellular concentrations and cytokine dynamics in disease development.
  • To confirm the hypothesis that atherosclerosis propagates as a reaction-diffusion wave.

Main Methods:

  • A 2D reaction-diffusion model was formulated for the intima.
  • Nonlinear boundary conditions were implemented to simulate monocyte recruitment based on cytokine levels.
  • Theoretical analysis proved the existence of traveling waves, supported by numerical simulations.

Main Results:

  • The mathematical model successfully represents the key inflammatory processes in atherosclerosis.
  • Existence of traveling waves was proven, consistent with the reaction-diffusion wave hypothesis.
  • Numerical simulations validated the theoretical findings, confirming the wave-like progression.

Conclusions:

  • Atherosclerosis development can be accurately described as a reaction-diffusion wave phenomenon.
  • The model provides insights into the interplay of cellular dynamics and inflammatory signaling.
  • This approach offers a framework for understanding and potentially intervening in atherosclerosis progression.