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Related Experiment Video

Updated: Jun 22, 2026

Quantification of Atherosclerosis in Mice

Quantification of Atherosclerosis in Mice

Published on: June 12, 2019

Vitamin E does not regress hypercholesterolemic atherosclerosis.

Kailash Prasad¹

¹Department of Physiology, University of Saskatchewan, Saskatoon, Canada. k.prasad@usask.ca

Journal of Cardiovascular Pharmacology and Therapeutics

|June 6, 2009

Summary

This summary is machine-generated.

Vitamin E did not regress hypercholesterolemic atherosclerosis in rabbits. A regular diet after high cholesterol intake reduced oxidative stress but did not reverse atherosclerosis, and vitamin E accelerated it.

Related Experiment Videos

Last Updated: Jun 22, 2026

Quantification of Atherosclerosis in Mice

Quantification of Atherosclerosis in Mice

Published on: June 12, 2019

Area of Science:

Cardiovascular Research
Nutritional Science
Oxidative Stress Studies

Background:

Vitamin E's role in hypercholesterolemic atherosclerosis is linked to oxidative stress reduction, not serum lipid changes.
Previous observations suggest a potential for vitamin E in managing atherosclerosis, warranting further investigation.

Purpose of the Study:

To investigate if vitamin E can induce regression of hypercholesterolemic atherosclerosis.
To determine if atherosclerosis regression correlates with reduced serum lipids and aortic oxidative stress.

Main Methods:

Rabbits were fed a cholesterol-rich diet, followed by either a regular diet or a regular diet supplemented with vitamin E.
Serum lipids and white blood cell chemiluminescence (WBC-CL) were measured monthly.
Aortic atherosclerotic lesions, malondialdehyde (MDA), and chemiluminescence were assessed.

Main Results:

High cholesterol diet increased serum lipids, oxidative stress, and atherosclerosis.
While serum lipids decreased on a regular diet (with or without vitamin E), atherosclerotic lesions significantly increased.
Vitamin E supplementation did not prevent the acceleration of atherosclerosis.

Conclusions:

A regular diet post-cholesterol intake reduced oxidative stress but failed to induce atherosclerosis regression.
Vitamin E did not demonstrate regression capabilities for established atherosclerosis in this model.
Vitamin E combined with a regular diet accelerated atherosclerosis, despite no increase in oxidative stress.