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Updated: Mar 9, 2026

Modeling Stroke in Mice: Transient Middle Cerebral Artery Occlusion via the External Carotid Artery

Modeling Stroke in Mice: Transient Middle Cerebral Artery Occlusion via the External Carotid Artery

Published on: May 24, 2021

Ischemic stroke: experimental models and reality.

Clemens J Sommer¹

¹Institute of Neuropathology, University Medical Center of the Johannes Gutenberg-University Mainz; Focus Program Translational Neuroscience (FTN) and Rhine Main Neuroscience Network (rmn2), Langenbeckstrasse 1, 55131, Mainz, Germany. clemens.sommer@unimedizin-mainz.de.

Acta Neuropathologica

|January 9, 2017

Summary

This summary is machine-generated.

Ischemic stroke, a leading cause of brain infarction, is complex and heterogeneous. This review examines various experimental stroke models, highlighting their strengths and limitations in mimicking human disease pathophysiology and therapeutic interventions.

Keywords:

Animal model Cerebral ischemia Focal ischemia In vitro model Non-human primate Stroke

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Modeling Stroke in Mice: Focal Cortical Lesions by Photothrombosis

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Last Updated: Mar 9, 2026

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Published on: May 24, 2021

Induction of Ischemic Stroke and Ischemia-reperfusion in Mice Using the Middle Artery Occlusion Technique and Visualization of Infarct Area

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Modeling Stroke in Mice: Focal Cortical Lesions by Photothrombosis

Modeling Stroke in Mice: Focal Cortical Lesions by Photothrombosis

Published on: May 6, 2021

Area of Science:

Neuroscience
Pathophysiology
Translational Medicine

Background:

Ischemic stroke, caused by blood vessel occlusion, leads to brain infarction with variable outcomes.
Stroke complexity arises from factors like ischemia severity, collateral circulation, blood pressure, comorbidities, and genetics.
Experimental models are crucial for understanding stroke but individually capture only specific disease aspects.

Purpose of the Study:

To provide an overview of current experimental stroke models.
To discuss the advantages and disadvantages of each model in relation to human stroke.
To evaluate the suitability of models for studying pathophysiology and therapeutic strategies.

Main Methods:

Review of established in vivo and in vitro experimental stroke models.
Comparison of models based on their ability to replicate key features of human ischemic stroke, including infarct development and reperfusion.
Analysis of models concerning their mimicry of therapeutic interventions like mechanical thrombectomy.

Main Results:

The endovascular suture/filament model in rodents is widely used for reproducible MCA territory infarcts and allows reperfusion.
Endothelin-1 models mimic focal ischemia and lacunar stroke, while photothrombotic models create reproducible cortical lesions but lack a significant penumbra.
Embolic and spontaneous stroke models most closely resemble human stroke but exhibit higher variability in infarct characteristics and onset/reperfusion unpredictability.

Conclusions:

No single experimental stroke model perfectly replicates human ischemic stroke.
Model selection depends on the specific research question, balancing reproducibility with pathophysiological relevance.
Advanced models are needed to better understand stroke mechanisms and test novel therapies, particularly those mimicking thrombectomy and spontaneous disease.