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Atherosclerosis in the rat.

J Ritskes-Hoitinga¹, A C Beynen

¹Department of Laboratory Animal Science, State University, Utrecht, The Netherlands.

|January 1, 1988

Summary

This summary is machine-generated.

Rats can develop arterial lesions, challenging their resistance to atherosclerosis. Specialized methods and rat strains reveal insights into this cardiovascular disease, aiding research into atherosclerosis-promoting factors.

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Area of Science:

Cardiovascular Science
Pathology
Animal Models in Research

Background:

Rats are typically resistant to atherosclerosis.
Spontaneous arterial lesions in rats are difficult to detect without extensive screening.
Previous research required extreme conditions to induce detectable lesions.

Purpose of the Study:

To review evidence of arterial lesion development in rats.
To discuss methods for inducing and detecting these lesions.
To evaluate the rat as a model for atherosclerosis research.

Main Methods:

Review of existing literature on rat atherosclerosis.
Analysis of studies using extreme diets, hormonal changes, trauma, and hypertension.
Examination of specialized rat strains bred for atherogenesis susceptibility.

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Main Results:

Rats do exhibit spontaneous and induced arterial lesions.
Detection of spontaneous lesions requires meticulous microscopic examination.
Induced lesions often differ in characteristics from human atherosclerosis.

Conclusions:

Rats can serve as a valuable model for studying specific aspects of atherosclerosis.
The rat can be utilized as a bioassay to identify factors contributing to atherosclerosis.
Further research is needed to fully understand rat atherogenesis in relation to human disease.