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UNLABELLED Experimental and clinical evidence suggests that neuroinflammation, triggered by epileptogenic insults, contributes to seizure development. We used translocator protein-targeted molecular imaging to obtain further insights into the role of microglial activation during epileptogenesis. METHODS As epileptogenic insult, a status epilepticus (SE)(More)
The role of serotonin (5-hydroxytryptamine; 5-HT) in epileptogenesis still remains controversial. In this regard, it has been reported that serotonergic drugs can alter epileptogenesis in opposite ways. The main objective of this work was to investigate the effect of the selective 5-HT selective reuptake inhibitor (SSRI) fluoxetine administered subacutely(More)
It has been reported that fluoxetine, a selective serotonin (5-hydroxytryptamine; 5-HT) reuptake inhibitor, has neuroprotective properties in the lithium–pilocarpine model of status epilepticus (SE) in rats. The aim of the present study was to investigate the effect of 5-HT depletion by short-term administration of p-chlorophenylalanine (PCPA), a specific(More)
PURPOSE p-Chloroamphetamine (PCA) is a neurotoxin that selectively degenerates the serotonin (5-HT) axon terminals. In order to study the brain metabolic consequences induced by serotonergic denervation, a single dose of PCA (2.5 or 10 mg/kg i.p.) was administered to male adult rats. PROCEDURES In vivo regional brain metabolism was evaluated 3 and 21 days(More)
Previous findings indicate that reducing brain insulin-like growth factor I receptor (IGF-IR) activity promotes ample neuroprotection. We now examined a possible action of IGF-IR on brain glucose transport to explain its wide protective activity, as energy availability is crucial for healthy tissue function. Using (18) FGlucose PET we found that shRNA(More)
OBJECTIVE Acquired epilepsy is a devastating long-term risk of various brain insults, including trauma, stroke, infections, and status epilepticus (SE). There is no preventive treatment for patients at risk. Attributable to the complex alterations involved in epileptogenesis, it is likely that multitargeted approaches are required for epilepsy prevention.(More)
The status epilepticus (SE) induced by lithium-pilocarpine is a well characterized rodent model of the human temporal lobe epilepsy (TLE) which is accompanied by severe brain damage. Stress and glucocorticoids markedly contribute to exacerbate neuronal damage induced by seizures but the underlying mechanisms are poorly understood. Herein we sought to(More)
Epileptogenesis, i.e., development of epilepsy, involves a number of processes that alter the brain function in the way that triggers spontaneous seizures. Kindling is one of the most used animal models of temporal lobe epilepsy (TLE) and epileptogenesis, although chemical kindling suffers from high inter-assay success unpredictability. This study was aimed(More)
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