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Updated: Jul 20, 2026
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A Versatile Murine Model of Subcortical White Matter Stroke for the Study of Axonal Degeneration and White Matter Neurobiology
Published on: March 17, 2016
Recent biochemical advances in white matter ischaemia
1University of Leicester Medical School, Leicester, UK. jjpa1@le.ac.uk
European Neurology
|September 2, 2006
Summary
Stroke research increasingly focuses on non-neuronal white matter injury. Understanding excitotoxicity via glutamate receptors may offer new therapeutic targets for stroke patients.
Area of Science:
- Neuroscience
- Neurology
- Pathophysiology
Background:
- Stroke is a major cause of death and disability.
- Research is shifting from neuronal to non-neuronal injury, particularly white matter damage.
- Advanced imaging reveals the extent of non-neuronal damage in stroke.
Purpose of the Study:
- To summarize recent advancements in understanding white matter ischemia.
- To explore the role of non-neuronal cells and glutamate receptors in stroke pathophysiology.
- To discuss the potential of targeting glutamate receptor diversity for therapeutic interventions.
Main Methods:
- Review of existing literature on white matter ischemia.
- Analysis of pathophysiology involving ion transport and excitotoxicity.
- Comparison of neuronal and non-neuronal glutamate receptor physiology.
Main Results:
- Ischemia causes white matter damage through Na+-Ca2+ exchange reversal and calcium overload.
- Voltage-sensitive calcium channels and intracellular calcium stores contribute to excitotoxicity.
- Glutamate receptors (NMDA and non-NMDA) play a role in white matter damage, with distinct physiological properties.
Conclusions:
- Non-neuronal injury, especially in white matter, is a critical aspect of stroke.
- Excitotoxicity mediated by glutamate receptors contributes significantly to white matter damage.
- The molecular diversity of glutamate receptors presents potential therapeutic avenues for stroke treatment.
