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Updated: Mar 8, 2026

Assessing Endothelial Vasodilator Function with the Endo-PAT 2000

Assessing Endothelial Vasodilator Function with the Endo-PAT 2000

Published on: October 15, 2010

Evaluation of Endothelial Dysfunction In Vivo.

Mihail Todiras¹, Natalia Alenina¹, Michael Bader²

¹Max Delbrück Center for Molecular Medicine (MDC), Robert Rössle Str. 10, 13125, Berlin, Germany.

Methods in Molecular Biology (Clifton, N.J.)

|January 25, 2017

Summary

This study presents a new method to assess endothelial dysfunction in conscious, freely moving rodents. This technique allows for a more accurate evaluation of cardiovascular health and disease progression in animal models.

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Area of Science:

Cardiovascular Science
Physiology
Pharmacology

Background:

Vascular endothelial cells are crucial for cardiovascular homeostasis.
Endothelial dysfunction, characterized by impaired vasodilation and anti-aggregation, is an early indicator of atherosclerosis and predicts vascular events.
Current methods for assessing endothelial function in rodents typically require anesthesia, which can affect physiological responses.

Purpose of the Study:

To develop and describe a novel method for evaluating endothelial dysfunction.
To enable assessment of endothelial function in conscious, freely moving mice and rats.
To provide a more physiologically relevant model for studying endothelial dysfunction.

Main Methods:

Pharmacological stimulation of endothelial nitric oxide (NO) release using agents like acetylcholine.

Keywords:

Acetylcholine Blood pressure Catheter Endothelial function Sodium nitroprusside eNOS

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A Methodological Approach to Non-invasive Assessments of Vascular Function and Morphology

A Methodological Approach to Non-invasive Assessments of Vascular Function and Morphology

Published on: February 7, 2015

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Last Updated: Mar 8, 2026

Assessing Endothelial Vasodilator Function with the Endo-PAT 2000

Assessing Endothelial Vasodilator Function with the Endo-PAT 2000

Published on: October 15, 2010

Ultrasound Assessment of Endothelial-Dependent Flow-Mediated Vasodilation of the Brachial Artery in Clinical Research

Ultrasound Assessment of Endothelial-Dependent Flow-Mediated Vasodilation of the Brachial Artery in Clinical Research

Published on: October 22, 2014

A Methodological Approach to Non-invasive Assessments of Vascular Function and Morphology

A Methodological Approach to Non-invasive Assessments of Vascular Function and Morphology

Published on: February 7, 2015

Comparison of vascular responses to endothelium-dependent and endothelium-independent vasodilators (e.g., sodium nitroprusside).

Application of the technique in conscious, freely moving rodent models (mice and rats).

Main Results:

The described method allows for the evaluation of endothelial-dependent vasodilation in conscious animals.
This approach provides a more accurate assessment of endothelial function compared to anesthetized models.
The technique is applicable to both mice and rats, facilitating broader research.

Conclusions:

A new method for assessing endothelial dysfunction in conscious rodents has been established.
This technique offers a more reliable tool for studying atherosclerosis and predicting vascular events.
The findings support the use of conscious animal models for more accurate endothelial function assessment.