Linked Life Data

7953657

Source:http://linkedlifedata.com/resource/pubmed/id/7953657

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
1-2
pubmed:dateCreated
1994-11-30
pubmed:abstractText
Kindling is widely accepted as a model of chronic epilepsy as well as a model of plasticity in the nervous system. Conventional kindling studies have used infrequent stimuli (separated by many hours) to establish a fully kindled state in which enhanced responses (kindled motor seizures and protracted afterdischarges) are consistently triggered by stimuli that initially did not elicit such responses. The enhanced responses occur even after a prolonged stimulus-free interval. Whereas the establishment of a kindled state with traditional stimulus protocols takes several weeks, our previous work showed that kindling could take place much more quickly when the interstimulus interval was set at 30 min (rapid kindling). In this report we tested whether rapid kindling protocols share with traditional kindling protocols the ability to establish a fully kindled state. Using different stimulus protocols involving recurrent hippocampal seizures, we characterized two types of kindling. 'Rapid kindling' developed over hours, but was transient, with a decay rate of a few days so that a fully kindled state did not persist. In contrast, 'slow kindling' developed over several weeks and was enduring, apparently permanent, being associated with a fully kindled state. These findings suggest that, while having certain similarities, the two types of kindling arise from dissimilar mechanisms. The existence of these two types of kindling has implications for epileptogenesis in humans. Moreover, the protocols developed in this work provide a useful means to control for the effects of seizures that are not related to mechanisms underlying a fully kindled state.
pubmed:grant
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:status
MEDLINE
pubmed:month
Jun
pubmed:issn
0006-8993
pubmed:author
pubmed:issnType
Print
pubmed:day
27
pubmed:volume
649
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
71-84
pubmed:dateRevised
2007-11-14
pubmed:meshHeading
pubmed:year
1994
pubmed:articleTitle
Closely spaced recurrent hippocampal seizures elicit two types of heightened epileptogenesis: a rapidly developing, transient kindling and a slowly developing, enduring kindling.
pubmed:affiliation
Department of Neurology, University of Virginia Health Sciences Center, Charlottesville 22908.
pubmed:publicationType
Journal Article, Research Support, U.S. Gov't, P.H.S.