Related Experiment Video
Updated: Aug 12, 2026
07:54
Cholesterol Efflux Assay
Published on: March 6, 2012
[Lung changes by experimentally induced cholesterol atheromatosis (author's transl)]
Zeitschrift Fur Erkrankungen Der Atmungsorgane
|May 1, 1976
Summary
Cholesterol and sunflower oil feeding induced atheromatous changes in rabbits. These lesions were less severe in pulmonary arteries than the aorta, with higher intensity in upper lobe pulmonary arteries.
Area of Science:
- Cardiovascular pathology
- Atherosclerosis research
- Animal models in disease
Context:
- Diet-induced atherosclerosis in rabbits
- Comparative analysis of arterial lesions
- Role of cholesterol and sunflower oil in atherogenesis
Purpose:
- To investigate atheromatous changes in rabbits fed cholesterol and sunflower oil
- To compare lesion intensity between aorta and pulmonary arteries
- To determine the distribution of atheroma within pulmonary arteries
Summary:
- Rabbits fed a diet of cholesterol and sunflower oil developed atheromatous changes.
- Pulmonary arteries showed significantly less intense lesions (1/5) compared to the aorta.
- Atheroma were predominantly observed in large and medium-sized pulmonary arteries, with a twofold higher intensity in the upper lobes versus lower lobes.
Impact:
- Provides insights into diet-induced atherosclerosis mechanisms.
- Highlights differential susceptibility of arterial beds to atheromatous lesions.
- Informs understanding of pulmonary artery involvement in atherosclerosis.
Related Concept Videos
01:06Lipid Digestion
Lipids are large molecules that are generally not water-soluble. Since most of the digestive enzymes in the human body are water-based, there are specific steps the body must take to break down lipids and make them available for use.
01:29Cholesterol: Significance and Regulation
Although not a source of energy, cholesterol plays a significant role as a foundational structure for bile salts, steroid hormones, and vitamin D, as well as being a crucial component of plasma membranes. Approximately 15% of blood cholesterol is derived from our diet, with the remainder synthesized from acetyl CoA by the liver and intestines. Cholesterol is eliminated from the body through its conversion into bile salts, which are eventually discarded in the feces.
Considering cholesterol and...
Considering cholesterol and...
01:30Atherosclerosis 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...