2020
Impaired motor skill learning and altered seizure susceptibility in mice with loss or gain of function of the Kcnt1 gene encoding Slack (KNa1.1) Na+-activated K+ channels
Quraishi IH, Mercier MR, McClure H, Couture RL, Schwartz ML, Lukowski R, Ruth P, Kaczmarek LK. Impaired motor skill learning and altered seizure susceptibility in mice with loss or gain of function of the Kcnt1 gene encoding Slack (KNa1.1) Na+-activated K+ channels. Scientific Reports 2020, 10: 3213. PMID: 32081855, PMCID: PMC7035262, DOI: 10.1038/s41598-020-60028-z.Peer-Reviewed Original ResearchConceptsMaximum electroshock-induced seizuresEpilepsy of infancyPentylenetetrazole-induced seizuresVideo-EEG monitoringElectroshock-induced seizuresForms of epilepsyWild-type miceSlack channelsImpaired motor skillsProcedural motor learningMotor skillsWild-type animalsSevere intellectual disabilityOpen-field behaviorCortical seizuresKCNT1 geneSpontaneous seizuresFocal seizuresSeizure susceptibilitySeizure activityType miceMouse modelAnimal modelsInterictal spikesSeizures
2004
Chronic neonatal hypoxia leads to long term decreases in the volume and cell number of the rat cerebral cortex
Schwartz ML, Vaccarino F, Chacon M, Yan WL, Ment LR, Stewart WB. Chronic neonatal hypoxia leads to long term decreases in the volume and cell number of the rat cerebral cortex. Seminars In Perinatology 2004, 28: 379-388. PMID: 15693394, DOI: 10.1053/j.semperi.2004.10.009.Peer-Reviewed Original ResearchConceptsDays of hypoxiaPreterm birth resultsNeuronal sizeBirth resultsHypoxic exposureCell numberChronic neonatal hypoxiaChronic sublethal hypoxiaNeonatal rodent modelPerinatal period altersRat cerebral cortexNeuronal cell numberBcl-2Glial cell numbersNormoxic environmentPostnatal day 3Cortical cell numberSignificant neurodevelopmental disabilitiesWestern blot analysisPreterm birthNeonatal hypoxiaNormoxic exposureCerebral cortexChronic hypoxiaControl pups
2002
Chronic hypoxia up-regulates fibroblast growth factor ligands in the perinatal brain and induces fibroblast growth factor-responsive radial glial cells in the sub-ependymal zone
Ganat Y, Soni S, Chacon M, Schwartz ML, Vaccarino FM. Chronic hypoxia up-regulates fibroblast growth factor ligands in the perinatal brain and induces fibroblast growth factor-responsive radial glial cells in the sub-ependymal zone. Neuroscience 2002, 112: 977-991. PMID: 12088755, DOI: 10.1016/s0306-4522(02)00060-x.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBlotting, WesternCerebral CortexCerebral VentriclesEnzyme-Linked Immunosorbent AssayEpendymaFibroblast Growth Factor 1Fibroblast Growth Factor 2HypoxiaImmunohistochemistryNeurogliaRatsReceptor Protein-Tyrosine KinasesReceptor, Fibroblast Growth Factor, Type 1Receptor, Fibroblast Growth Factor, Type 2Receptors, Fibroblast Growth FactorRegenerationUp-RegulationConceptsRadial glial cellsRadial gliaChronic hypoxiaGlial cellsFibroblast growth factor 1Periventricular regionBrain lipid binding proteinMajor receptorChronic hypoxic damageGlial fibrillary acidic proteinHypoxia/ischemiaSub-ventricular zoneImmature glial cellsFibrillary acidic proteinGrowth factor-1Ependymal zoneChronic hypoxemiaCerebral cortexHypoxic damageNeurotrophin familyPerinatal brainFGF receptor 1Rat pupsPostnatal weekGlial phenotypeA1 adenosine receptor activation induces ventriculomegaly and white matter loss
Turner CP, Yan H, Schwartz M, Othman T, Rivkees SA. A1 adenosine receptor activation induces ventriculomegaly and white matter loss. Neuroreport 2002, 13: 1199-1204. PMID: 12151769, DOI: 10.1097/00001756-200207020-00026.Peer-Reviewed Original ResearchMeSH KeywordsAdenosineAnimalsAnimals, NewbornBody WeightCell CountCerebral CortexCerebral VentriclesDrug CombinationsDrug InteractionsGTP-Binding ProteinsGuanosine 5'-O-(3-Thiotriphosphate)HippocampusMicroscopy, ElectronMyelin Basic ProteinNerve DegenerationNerve Fibers, MyelinatedNeurogliaNeuronsPresynaptic TerminalsPurinergic P1 Receptor AgonistsPurinergic P1 Receptor AntagonistsRatsRats, Sprague-DawleyReceptors, Purinergic P1TelencephalonTheophyllineConceptsWhite matter lossAdenosine receptor activationActivation of A1ARPostnatal day 3White matter volumeReceptor-G protein couplingMyelin basic proteinNeuronal lossAgonist treatmentNeonatal ratsN6-cyclopentyladenosineA1AR activationMatter volumeDay 3Adenosine receptorsReceptor activationBrain formationPD 4A1ARReduced expressionProtein couplingQuantitative electron microscopyVentriculomegalyBasic proteinBrain
1999
Changes in cerebral cortex size are governed by fibroblast growth factor during embryogenesis
Vaccarino F, Schwartz M, Raballo R, Nilsen J, Rhee J, Zhou M, Doetschman T, Coffin J, Wyland J, Hung Y. Changes in cerebral cortex size are governed by fibroblast growth factor during embryogenesis. Nature Neuroscience 1999, 2: 246-253. PMID: 10195217, DOI: 10.1038/6350.Peer-Reviewed Original ResearchConceptsPseudostratified ventricular epitheliumFibroblast growth factor-2Number of gliaAdult cerebral cortexEnd of neurogenesisCerebral cortex sizeFibroblast growth factorGrowth factor 2Cerebral cortexCerebral ventricleSingle microinjectionCortical neuronsBrdU studiesCortical progenitorsVentricular epitheliumCortex sizeGrowth factorRat embryosFGF2 geneEarly neurogenesisFGF receptorsFactor 2GliaNeurogenesisCell cycle length
1998
Association of chronic sublethal hypoxia with ventriculomegaly in the developing rat brain
Ment L, Schwartz M, Makuch R, Stewart W. Association of chronic sublethal hypoxia with ventriculomegaly in the developing rat brain. Brain Research 1998, 111: 197-203. PMID: 9838111, DOI: 10.1016/s0165-3806(98)00139-4.Peer-Reviewed Original ResearchConceptsChronic sublethal hypoxiaSublethal hypoxiaBronchopulmonary dysplasiaAnimal modelsExperimental rat pupsSystemic blood pressureSubcortical white matterCorpus callosum sizePostnatal day 3Third groupNeurodevelopmental handicapPreterm infantsProlonged hypoxemiaBlood pressureCerebral ventriculomegalyExperimental time pointsChronic hypoxiaControl ratsCortical volumeRat pupsCallosum sizeNewborn ratsRat brainBody weightDay 3
1997
Chronic postnatal hypoxia increases the numbers of cortical neurons
Stewart W, Ment L, Schwartz M. Chronic postnatal hypoxia increases the numbers of cortical neurons. Brain Research 1997, 760: 17-21. PMID: 9237513, DOI: 10.1016/s0006-8993(97)00271-0.Peer-Reviewed Original ResearchConceptsCortical neuronsHypoxic ratsSublethal hypoxiaChronic postnatal hypoxiaChronic sublethal hypoxiaDays of hypoxiaCell deathPostnatal hypoxiaPremature infantsNeuronal densityBrain weightChronic hypoxiaCortical volumeClinical problemAnimal modelsCortical cell deathRatsThird dayHypoxiaLower bodyNeurodevelopmental disordersNeuronsConsiderable evidenceProlonged periodDeath
1995
Basic Fibroblast Growth Factor Increases the Number of Excitatory Neurons Containing Glutamate in the Cerebral Cortex
Vaccarino F, Schwartz M, Hartigan D, Leckman J. Basic Fibroblast Growth Factor Increases the Number of Excitatory Neurons Containing Glutamate in the Cerebral Cortex. Cerebral Cortex 1995, 5: 64-78. PMID: 7719131, DOI: 10.1093/cercor/5.1.64.Peer-Reviewed Original ResearchConceptsBasic fibroblast growth factorNerve growth factorGlutamate-containing neuronsCerebral cortexFibroblast growth factorGrowth factorAspartate-containing neuronsDifferent neurotransmitter phenotypesNumber of GABARatio of glutamateStem cellsNeurotransmitter phenotypeExcitatory neuronsInhibitory neuronsRat telencephalonVentricular zoneBFGF mRNAGABANeuronsCortexGlutamateDiffusible factorsThreefold increaseCellsFactors
1984
Columnar organization of callosal and associational projections from rat frontal cortex
Isseroff A, Schwartz M, Dekker J, Goldman-Rakic P. Columnar organization of callosal and associational projections from rat frontal cortex. Brain Research 1984, 293: 213-223. PMID: 6421457, DOI: 10.1016/0006-8993(84)91228-9.Peer-Reviewed Original ResearchConceptsRat frontal cortexFrontal cortexCoronal sectionsHomotopic contralateral areasIpsilateral somatosensory cortexSerial coronal sectionsCortico-cortical fibersCallosal projectionsAssociational projectionsSomatosensory cortexContralateral areaHRP histochemistryAssociational connectionsTerminal fieldsArea 6CortexTerminal labelMammalian neocortexColumnar distributionCallosalColumnar organizationTerminal organizationCell labelPrecise registerNeocortex