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dc.contributor.authorPotier, S.en
dc.contributor.authorPsarropoulou, C.en
dc.date.accessioned2015-11-24T16:32:38Z-
dc.date.available2015-11-24T16:32:38Z-
dc.identifier.issn0304-3940-
dc.identifier.urihttps://olympias.lib.uoi.gr/jspui/handle/123456789/7570-
dc.rightsDefault Licence-
dc.subjectcholinergicen
dc.subjecteserineen
dc.subjectevoked potentialsen
dc.subjectneuronal synchronizationen
dc.subjectspontaneousen
dc.subjectpenicillin-induced epileptogenesisen
dc.subjectepileptiform activityen
dc.subjectpostnatal-developmenten
dc.subjectgabaergic inhibitionen
dc.subjectmuscarinic receptorsen
dc.subjecthippocampusen
dc.subject4-aminopyridineen
dc.subjectactivationen
dc.subjectblocken
dc.titleEndogenous acetylcholine facilitates epileptogenesis in immature rat neocortexen
heal.typejournalArticle-
heal.type.enJournal articleen
heal.type.elΆρθρο Περιοδικούel
heal.identifier.secondary<Go to ISI>://000168031600007-
heal.identifier.secondaryhttp://ac.els-cdn.com/S030439400101641X/1-s2.0-S030439400101641X-main.pdf?_tid=a637ddf0-ad80-11e2-9843-00000aab0f6c&acdnat=1366878063_9b3e1ce3cb6da6ad0c36ee9a708a0e67-
heal.languageen-
heal.accesscampus-
heal.recordProviderΠανεπιστήμιο Ιωαννίνων. Σχολή Επιστημών και Τεχνολογιών. Τμήμα Βιολογικών Εφαρμογών και Τεχνολογιώνel
heal.publicationDate2001-
heal.abstractIn the presence of the gamma -amino butyric acid-A (GABA(A)) antagonist bicuculline methiodide (50 muM), synchronous spontaneous and evoked potentials were recorded extracellularly from the deep layers of immature neocortex (postnatal days 10-31, P10-P31) in vitro. Addition of the anticholinesterase eserine (10 muM) depressed the amplitude (by 29.5 +/- 6.6%, n = 13) and duration (by 26.3 +/- 4.7%, n = 11) of the evoked field potentials in 13/19 slices (68%), and increased significantly the rates of occurrence of spontaneous epileptiform discharges or induced them in 9/19 slices (47%). All these effects were blocked by the muscarinic antagonist atropine (2.5 muM, n = 3), suggesting that they were mediated by the activation of muscarinic receptors by endogenous acetylcholine. The cholinergic inhibitory effect is unlikely to terminate seizures, while the excitatory effect, could conceivably promote or aggravate their manifestation. In conclusion, these findings demonstrate that endogenous acetylcholine may contribute to epileptogenesis in immature neocortex. (C) 2001 Elsevier Science Ireland Ltd. All rights reserved.en
heal.journalNameNeurosci Letten
heal.journalTypepeer reviewed-
heal.fullTextAvailabilityTRUE-
Appears in Collections:Άρθρα σε επιστημονικά περιοδικά ( Ανοικτά)

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