منابع مشابه
Hippocampal plasticity in the kindling model of epilepsy in rats.
Histochemical and autoradiographic techniques were used to study mossy fiber sprouting which occurs in the hippocampus of kindled rats. In rats kindled by daily stimulation of amygdala or entorhinal cortex, the mossy fibers sprout to innervate the supragranular zone of fascia dentata; this synaptic reorganization was associated with a significant increase in the density of high-affinity kainic ...
متن کاملGrafts of adenosine-releasing cells suppress seizures in kindling epilepsy.
Adenosine is an inhibitor of neuronal activity in the brain. The local release of adenosine from grafted cells was evaluated as an ex vivo gene therapy approach to suppress synchronous discharges and epileptic seizures. Fibroblasts were engineered to release adenosine by inactivating the adenosine-metabolizing enzymes adenosine kinase and adenosine deaminase. After encapsulation into semipermea...
متن کاملGrafted noradrenergic neurons suppress seizure development in kindling-induced epilepsy.
Norepinephrine-rich cell suspensions, prepared from the locus coeruleus region of rat fetuses, were grafted bilaterally into the hippocampus of rats made hypersensitive to hippocampal kindling by a neurotoxic lesion of the central catecholamine system. The animals with grafts showed a marked suppression of the onset and progression of kindling-induced epilepsy, and this effect was correlated wi...
متن کاملAfterdischarge threshold reduction in the kindling model of epilepsy.
Female Wistar rats were implanted with electrodes in the right amygdala, and initial--pre-kindling--afterdischarge thresholds (ADT's) were determined 1, 2, 4, and 8 weeks after electrode implantation. Pre-kindling ADT's were highest 1 week after implantation, lower at 2 weeks, and lowest at 4 weeks. This drop in non-stimulated thresholds had largely disappeared by 8 weeks post-implantation. Hal...
متن کاملKindling: separate vs. shared mechanisms in affective disorders and epilepsy.
Kindling is discussed in relation to affective illness as a nonhomologous model, which shares the feature of increasing illness severity and evolution over time following repeated exposures to certain forms of stimulation. This progressive aspect of kindling has proven useful in the study of approaches to pharmacotherapeutics, mechanisms and characteristics of drug tolerance, and, most recently...
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ژورنال
عنوان ژورنال: Epilepsy Currents
سال: 2003
ISSN: 1535-7597,1535-7511
DOI: 10.1046/j.1535-7597.2003.03507.x