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Convulsive seizures are due to abnormal synchronous and repetitive neuronal discharges in the central nervous system (CNS). Finding new therapeutics to overcome the side effects of the current drug therapies and to increase their effectiveness is ongoing. Orexin‐A and orexin‐B are brain neuropeptides originating from postero‐lateral hypothalamic neurons. Studies show that orexins, through activation...
ObjectiveThe principal molecular targets of conventional antiseizure drugs consist of ligand‐gated and voltage‐gated ion channels and proteins subserving synaptic function. Inhibition of the receptor tyrosine kinase TrkB limits epileptogenesis, but its effect on individual seizures is unknown. We sought to determine whether inhibition of TrkB kinase exerts an antiseizure effect.
MethodsWe utilized...
Purpose: Neural reorganization and interictal behavioral anomalies have been documented in people with epilepsy and in animal seizure models. Alterations in behavior could be due to somatosensory dysfunction. This study was designed to determine whether seizures can lead to changes in somatosensory representations and whether those changes are persistent.
Methods: Twice‐daily seizures were elicited...
Changes in the rate of dentate granule cell neurogenesis and in the fate of newborn granule cells have been implicated in the development and progression of epilepsies. Strategies to normalize neurogenesis in chronic epilepsy models are thought to increase our understanding of the functional consequences of aberrant neurogenesis in the epileptic brain. Therefore, we modulated neurogenesis in an amygdala...
Purpose: Racine’s classic study suggested that after discharge thresholds were reduced in the primary stimulation site (amygdala) of kindled rats, but that that they were not reduced in secondary (nonstimulated) sites. However, recent reports of neurochemical changes related to excitation and inhibition in nonstimulated sites in kindled brains would be expected to cause reductions in afterdischarge...
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