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Updated: Dec 1, 2025
Measuring Post-Stroke Cerebral Edema, Infarct Zone and Blood-Brain Barrier Breakdown in a Single Set of Rodent Brain Samples
Published on: October 23, 2020
Measuring Post-Stroke Cerebral Edema, Infarct Zone and Blood-Brain Barrier Breakdown in a Single Set of Rodent Brain
Dmitry Frank1, Benjamin F Gruenbaum2, Julia Grinshpun1
1Department of Anesthesiology and Critical Care, Soroka Medical Center, Ben-Gurion University of the Negev.
Abstract:
One of the most common causes of morbidity and mortality worldwide is ischemic stroke. Historically, an animal model used to stimulate ischemic stroke involves middle cerebral artery occlusion (MCAO). Infarct zone, brain edema and blood-brain barrier (BBB) breakdown are measured as parameters that reflect the extent of brain injury after MCAO. A significant limitation to this method is that these measurements are normally obtained in different rat brain samples, leading to ethical and financial burdens due to the large number of rats that need to be euthanized for an appropriate sample size. Here we present a method to accurately assess brain injury following MCAO by measuring infarct zone, brain edema and BBB permeability in the same set of rat brains. This novel technique provides a more efficient way to evaluate the pathophysiology of stroke.
Insights
This study introduces a new method to assess ischemic stroke injury in rats. It measures infarct zone, brain edema, and blood-brain barrier breakdown in the same brain, reducing animal use and costs.
Area of Science:
- Neuroscience
- Pathophysiology
- Animal Models
Background:
- Ischemic stroke is a leading cause of death and disability globally.
- Middle cerebral artery occlusion (MCAO) is a common animal model for studying ischemic stroke.
- Current methods require separate samples for assessing infarct zone, brain edema, and blood-brain barrier (BBB) breakdown, increasing animal usage and costs.
Purpose of the Study:
- To develop a novel, efficient method for evaluating stroke-induced brain injury in a rat model.
- To simultaneously measure infarct zone, brain edema, and BBB permeability in the same rat brain samples.
- To reduce the ethical and financial burden associated with traditional stroke research methods.
Main Methods:
- A refined technique for assessing multiple parameters of brain injury after MCAO in rats.
- Simultaneous measurement of infarct zone, brain edema, and BBB permeability within a single set of rat brain samples.
Main Results:
- The presented method allows for accurate assessment of infarct zone, brain edema, and BBB permeability in the same rat brains.
- This approach offers a more efficient evaluation of stroke pathophysiology compared to traditional methods.
Conclusions:
- The novel technique streamlines the assessment of MCAO-induced brain injury.
- This method provides a more ethical and cost-effective approach to stroke research, improving the evaluation of stroke pathophysiology.
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