Neuroinflammation in Epileptic Disorders
Summary
Neuroinflammation is increasingly recognised as a central component of both the initiation and progression of epileptic disorders. Following an initial insult—be it genetic predisposition, traumatic brain injury, infection or prolonged seizure activity—a cascade of cellular and molecular events ensues. Resident microglia and astrocytes adopt reactive phenotypes, releasing pro-inflammatory cytokines, chemokines and matrix remodelling enzymes. These mediators disrupt synaptic homeostasis, lower seizure threshold and compromise the integrity of the blood–brain barrier, fomenting recurrent epileptiform activity. Chronic glial activation sustains a feedback loop of neuronal hyperexcitability, tissue remodelling and progressive network dysfunction. Clinically, these processes manifest not only as recurrent seizures but also as cognitive impairment, mood disturbance and, in severe cases, drug resistance. Understanding the precise spatiotemporal dynamics of neuroinflammatory signalling has thus become a priority for developing targeted interventions. Anti-inflammatory strategies, modulation of glial phenotypes and biomarker-guided monitoring are emerging as promising avenues to complement standard antiseizure therapies, with the ultimate aim of preventing epileptogenesis and improving long-term neurological outcomes.
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Neuroinflammation in Epileptic Disorders publication trend
The graph below shows the total number of articles in neuroinflammation in epileptic disorders across all publications each year (not limited to Nature Index journals).
Technical terms
Neuroinflammation: Inflammatory response within the central nervous system mediated by glia, endothelial cells and infiltrating immune cells.
Blood–Brain Barrier (BBB): A specialised endothelial interface that regulates molecular and cellular trafficking between blood and brain.
Microglia: Resident immune cells of the central nervous system that adopt pro- or anti-inflammatory phenotypes.
Astrocytes: Glial cells that support neuronal function and can become reactive, releasing inflammatory mediators.
Cytokines: Small proteins released by cells that modulate immune responses and intercellular communication.
Biomarker: A measurable indicator of biological processes, pathology or pharmacological responses.
Epileptogenesis: The complex process by which a normal brain develops recurrent spontaneous seizures.
References
- Molecular Biomarkers of Neuronal Injury in Epilepsy Shared with Neurodegenerative Diseases. Neurotherapeutics (2023).
- Blood-Brain Barrier-Associated Proteins Are Elevated in Serum of Epilepsy Patients. Cells (2023).
- Fluid Biomarkers of Neuro-Glial Injury in Human Status Epilepticus: A Systematic Review. International Journal of Molecular Sciences (2023).
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