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Coronary Artery Disease II: Pathophysiology

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...

Atherosclerosis I: Introduction

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...

Atherosclerosis II: Clinical Manifestations and Diagnostic Tests

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)...

Atherosclerosis III: Management

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: Introduction

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...

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Related Experiment Video

Updated: May 6, 2026

A Model of Disturbed Flow-Induced Atherosclerosis in Mouse Carotid Artery by Partial Ligation and a Simple Method of RNA Isolation from Carotid Endothelium

A Model of Disturbed Flow-Induced Atherosclerosis in Mouse Carotid Artery by Partial Ligation and a Simple Method of RNA Isolation from Carotid Endothelium

Published on: June 23, 2010

Many roads lead to atheroma

M R Hayden¹, M Reidy

¹Department of Medical Genetics, University of British Columbia, Vancouver, Canada.

Nature Medicine

|January 1, 1995

Summary

Cholesterol is no longer considered the sole cause of coronary artery issues. New research highlights the critical roles of lipoproteins, coagulation, and growth factors in atherosclerosis development.

Area of Science:

Cardiovascular Science
Biochemistry
Pathophysiology

Background:

Historically, cholesterol was identified as the primary detrimental factor for coronary arteries.
Emerging research indicates a more complex interplay of factors contributing to cardiovascular disease.

Discussion:

Atherosclerosis involves intricate interactions between lipoproteins, the coagulation system, and growth factors.
Understanding these molecular and cellular interactions is key to comprehending disease progression.

Key Insights:

Lipoprotein metabolism significantly influences atherosclerotic plaque formation.
Coagulation cascade activation plays a crucial role in thrombotic events associated with atherosclerosis.
Growth factors modulate vascular cell behavior, impacting lesion development and stability.

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Quantitative Analysis and Characterization of Atherosclerotic Lesions in the Murine Aortic Sinus

Published on: December 8, 2013

Three-Dimensional Imaging of Aortic Tissues in Atherosclerosis

Three-Dimensional Imaging of Aortic Tissues in Atherosclerosis

Published on: October 25, 2024

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Last Updated: May 6, 2026

A Model of Disturbed Flow-Induced Atherosclerosis in Mouse Carotid Artery by Partial Ligation and a Simple Method of RNA Isolation from Carotid Endothelium

A Model of Disturbed Flow-Induced Atherosclerosis in Mouse Carotid Artery by Partial Ligation and a Simple Method of RNA Isolation from Carotid Endothelium

Published on: June 23, 2010

Quantitative Analysis and Characterization of Atherosclerotic Lesions in the Murine Aortic Sinus

Quantitative Analysis and Characterization of Atherosclerotic Lesions in the Murine Aortic Sinus

Published on: December 8, 2013

Three-Dimensional Imaging of Aortic Tissues in Atherosclerosis

Three-Dimensional Imaging of Aortic Tissues in Atherosclerosis

Published on: October 25, 2024

Outlook:

Future research should focus on targeting these specific interactions for novel therapeutic strategies.
Developing treatments that modulate lipoprotein profiles, coagulation pathways, and growth factor signaling holds promise for managing atherosclerosis.