Neuroprotective concentrations of the N-methyl-D-aspartate open-channel blocker memantine are effective without cytoplasmic vacuolation following post-ischemic administration and do not block maze learning or long-term potentiation
Chen H, Wang Y, Rayudu P, Edgecomb P, Neill J, Segal M, Lipton S, Jensen F. Neuroprotective concentrations of the N-methyl-D-aspartate open-channel blocker memantine are effective without cytoplasmic vacuolation following post-ischemic administration and do not block maze learning or long-term potentiation. Neuroscience 1998, 86: 1121-1132. PMID: 9697119, DOI: 10.1016/s0306-4522(98)00163-8.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBody TemperatureBrain IschemiaCytoplasmExcitatory Amino Acid AntagonistsExcitatory Postsynaptic PotentialsIn Vitro TechniquesLong-Term PotentiationMaleMaze LearningMemantineMicroscopy, ElectronNeuronsNeuroprotective AgentsRatsRats, Sprague-DawleyReceptors, N-Methyl-D-AspartateVacuolesConceptsN-methyl-D-aspartate antagonistsLong-term potentiationAspartate antagonistDizocilpine maleateSide effectsUncompetitive N-methyl-D-aspartate antagonistsN-methyl-D-aspartate blockersMorris water maze performancePost-ischemic administrationHypoxia/ischemiaExcitatory postsynaptic currentsN-methyl-D-aspartate (NMDA) channelsAdverse side effectsWater maze performanceHuman CNS disordersExcitotoxic disordersNeuroprotective concentrationsClinical tolerabilityNeuroprotective dosesClinical efficacyInfarct sizePostsynaptic currentsHippocampal slicesCNS disordersAdult rats