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PurposeTo determine whether AMPA receptor (AMPAR) antagonist NBQX can prevent early mammalian target of rapamycin (mTOR) pathway activation and long‐term sequelae following neonatal seizures in rats, including later‐life spontaneous recurrent seizures, CA3 mossy fiber sprouting, and autistic‐like social deficits.
MethodsLong‐Evans rats experienced hypoxia‐induced neonatal seizures (HS) at postnatal...
Several preclinical proof‐of‐concept studies have provided evidence for positive treatment effects on epileptogenesis. However, none of these hypothetical treatments has advanced to the clinic. The experience in other fields of neurology such as stroke, Alzheimer's disease, or amyotrophic lateral sclerosis has indicated several problems in the design of preclinical studies, which likely contribute...
Many symptoms of neurologic or psychiatric illness—such as cognitive impairment, depression, anxiety, attention deficits, and migraine—occur more frequently in people with epilepsy than in the general population. These diverse comorbidities present an underappreciated problem for people with epilepsy and their caregivers because they decrease quality of life, complicate treatment, and increase mortality...
A biomarker is defined as an objectively measured characteristic of a normal or pathologic biologic process. Identification and proper validation of biomarkers of epileptogenesis (the development of epilepsy) and ictogenesis (the propensity to generate spontaneous seizures) might predict the development of an epilepsy condition; identify the presence and severity of tissue capable of generating spontaneous...
Purpose: The terms “electrical status epilepticus during sleep (ESES)” and “continuous spikes and waves during sleep (CSWS)” have been used interchangeably when referring to related but different concepts. In addition, the quantification of epileptiform activity has not been standardized, and different approaches to quantification have been used. The aim of this study was to evaluate the extent to...
Purpose: To study the development of epilepsy following hypoxia‐induced neonatal seizures in Long‐Evans rats and to establish the presence of spontaneous seizures in this model of early life seizures.
Methods: Long‐Evans rat pups were subjected to hypoxia‐induced neonatal seizures at postnatal day 10 (P10). Epidural cortical electroencephalography (EEG) and hippocampal depth electrodes were used...
Epilepsy is increasingly recognized as a disease that reaches well beyond seizures. Cognitive and psychiatric impairment affect half of all epilepsy patients, and to date there are no specific treatments for these symptoms. It is unclear which of these comorbidities are directly due to seizures and which are due to separable mechanisms that are parallel to those underlying ictal activity. Cellular...
Neonatal hypoxic/ischemic encephalopathy is the most common cause of neonatal seizures, and these seizures are refractory to conventional antiseizure drugs and can lead to later life epilepsy and congitive deficits. Data from human tissue studies as well as rodent models suggest unique age‐specific mechanisms underlying these neonatal seizure and their consequences, and are leading to a number of...
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