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Objective
Current medications for patients with epilepsy work in only two of three patients. For those medications that do work, they only suppress seizures. They treat the symptoms, but do not modify the underlying disease, forcing patients to take these drugs with significant side effects, often for the rest of their lives. A major limitation in our ability to advance new therapeutics that permanently...
Our inability to adequately treat many patients with refractory epilepsy caused by focal cortical dysplasia (FCD), surgical inaccessibility and failures are significant clinical drawbacks. The targeting of physiologic features of epileptogenesis in FCD and colocalizing functionality has enhanced completeness of surgical resection, the main determinant of outcome. Electroencephalography (EEG)–functional...
The mammalian target of rapamycin (mTOR) signaling pathway regulates cell growth, differentiation, proliferation, and metabolism. Loss‐of‐function mutations in upstream regulators of mTOR have been highly associated with dysplasias, epilepsy, and neurodevelopmental disorders. These include tuberous sclerosis, which is due to mutations in TSC1 or TSC2 genes; mutations in phosphatase and tensin homolog...
Purpose: Focal cortical dysplasias (FCD) are localized regions of malformed cerebral cortex and are very frequently associated with epilepsy in both children and adults. A broad spectrum of histopathology has been included in the diagnosis of FCD. An ILAE task force proposes an international consensus classification system to better characterize specific clinicopathological FCD entities.
Methods: ...
Tuberous sclerosis complex (TSC) and severe cortical dysplasia (CD), or CD type II according to Palmini classification, share histopathologic similarities, specifically the presence of cytomegalic neurons and balloon cells. In this study we examined the morphologic and electrophysiologic properties of cells in cortical tissue samples from pediatric patients with TSC and CD type II who underwent surgery...
Interneurons, γ‐aminobutyric acid (GABA)A receptor density, and subunit composition determine inhibitory function in pyramidal neurons and control excitability in cortex. Abnormalities in GABAergic cells or GABAA receptors could contribute to seizures in malformations of cortical development. Herein we review data obtained in resected cortex from pediatric epilepsy surgery patients with type I and...
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