2017
MMP-2: A modulator of neuronal precursor activity and cognitive and motor behaviors
Li Q, Michaud M, Shankar R, Canosa S, Schwartz M, Madri JA. MMP-2: A modulator of neuronal precursor activity and cognitive and motor behaviors. Behavioural Brain Research 2017, 333: 74-82. PMID: 28666838, DOI: 10.1016/j.bbr.2017.06.041.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAnimals, NewbornCell MovementCell ProliferationCells, CulturedCognitionExploratory BehaviorGene Expression RegulationMatrix Metalloproteinase 2MiceMice, Inbred C57BLMice, KnockoutMotor ActivityNerve Tissue ProteinsNeural Stem CellsNeurogenesisOncogene Protein v-aktProliferating Cell Nuclear AntigenReceptors, CXCR4Spatial LearningConceptsNeural precursor cellsBroad substrate specificityNeurosphere formationAdherent neurospheresSecondary neurosphere formationNPC activitySubstrate specificityNPC numberCell surface moleculesZinc-containing enzymesAkt activationAbsence of MMP2Cell typesExtracellular matrixActivity assaysPrecursor cellsImportant roleNPC migrationMatrix metalloproteinase2Surface moleculesExpressionKO miceBioactive moleculesNestin expressionMMP2The role of endothelial HIF-1 αin the response to sublethal hypoxia in C57BL/6 mouse pups
Li Q, Michaud M, Park C, Huang Y, Couture R, Girodano F, Schwartz ML, Madri JA. The role of endothelial HIF-1 αin the response to sublethal hypoxia in C57BL/6 mouse pups. Laboratory Investigation 2017, 97: 356-369. PMID: 28092362, DOI: 10.1038/labinvest.2016.154.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAnimals, NewbornApoptosisBlotting, WesternCell HypoxiaCell ProliferationCells, CulturedDentate GyrusEndothelial CellsFemaleHypoxiaHypoxia-Inducible Factor 1, alpha SubunitLateral VentriclesMaleMice, Inbred C57BLMice, KnockoutMice, TransgenicMicroscopy, FluorescenceMotor ActivityNeural Stem CellsConceptsHIF-1 αBrain microvascular endothelial cellsNeuronal precursor cellsSubventricular zoneMicrovascular endothelial cellsOpen-field activityEndothelial cellsSublethal hypoxiaHIF-1 α expressionOpen-field activity testChronic sublethal hypoxiaEndothelial HIF-1Hypoxic conditionsC57BL/6 mouse pupsGender-specific differencesPremature birthC57BL/6 WTDentate gyrusHippocampal tissueDeficient miceΑ expressionMouse pupsMotor handicapParacrine effectsDentate gyrus tissue
2012
Environmental Enrichment Increases the GFAP+ Stem Cell Pool and Reverses Hypoxia-Induced Cognitive Deficits in Juvenile Mice
Salmaso N, Silbereis J, Komitova M, Mitchell P, Chapman K, Ment LR, Schwartz ML, Vaccarino FM. Environmental Enrichment Increases the GFAP+ Stem Cell Pool and Reverses Hypoxia-Induced Cognitive Deficits in Juvenile Mice. Journal Of Neuroscience 2012, 32: 8930-8939. PMID: 22745493, PMCID: PMC3399175, DOI: 10.1523/jneurosci.1398-12.2012.Peer-Reviewed Original ResearchMeSH KeywordsAnalysis of VarianceAnimalsAnimals, NewbornBromodeoxyuridineCell CountCell DifferentiationCognition DisordersDeoxyuridineDisease Models, AnimalEnvironmentEstrogen AntagonistsFemaleGene Expression Regulation, DevelopmentalGlial Fibrillary Acidic ProteinGreen Fluorescent ProteinsHumansHypoxiaIdoxuridineKi-67 AntigenMaleMaze LearningMiceMice, Inbred C57BLMice, TransgenicNerve Tissue ProteinsNeurogenesisNeurogliaReceptors, EstrogenStem CellsTamoxifenConceptsHypoxic injuryBrain injuryAstroglial cellsChronic hypoxic injuryDevelopmental brain injuryLow birth weightCell poolEnvironmental enrichmentAdult brain injuryAbnormal lung developmentStem cell poolPerinatal hypoxic injuryFate-mapping modelsSocio-demographic factorsNeurobiological recoveryHippocampal neurogenesisVLBW cohortPremature childrenBirth weightCardiovascular abnormalitiesJuvenile miceAnimal modelsLung developmentInjuryCognitive deficits
2011
Cortical Glial Fibrillary Acidic Protein-Positive Cells Generate Neurons after Perinatal Hypoxic Injury
Bi B, Salmaso N, Komitova M, Simonini MV, Silbereis J, Cheng E, Kim J, Luft S, Ment LR, Horvath TL, Schwartz ML, Vaccarino FM. Cortical Glial Fibrillary Acidic Protein-Positive Cells Generate Neurons after Perinatal Hypoxic Injury. Journal Of Neuroscience 2011, 31: 9205-9221. PMID: 21697371, PMCID: PMC3142780, DOI: 10.1523/jneurosci.0518-11.2011.Peer-Reviewed Original ResearchConceptsGlial fibrillary acidic protein-positive cellsCortical excitatory neuronsProtein-positive cellsPerinatal hypoxic injuryPostnatal hypoxiaGenetic fate mappingCortical astrogliaPremature childrenHypoxic injuryBrain injuryNew neuronsPreterm childrenNeurogenic nicheCognitive recoveryExcitatory neuronsGenerate neuronsNeuronal fateNeuronsHypoxiaCortical parenchymaInjuryParenchymaFate mappingCellsChildren
2009
Hypoxic Injury during Neonatal Development in Murine Brain: Correlation between In Vivo DTI Findings and Behavioral Assessment
Chahboune H, Ment LR, Stewart WB, Rothman DL, Vaccarino FM, Hyder F, Schwartz ML. Hypoxic Injury during Neonatal Development in Murine Brain: Correlation between In Vivo DTI Findings and Behavioral Assessment. Cerebral Cortex 2009, 19: 2891-2901. PMID: 19380380, PMCID: PMC2774398, DOI: 10.1093/cercor/bhp068.Peer-Reviewed Original ResearchConceptsChronic sublethal hypoxiaLow birth weight preterm infantsBirth weight preterm infantsHypoxia-induced modificationNeonatal rodent modelPreterm birth resultsWeight preterm infantsSignificant neurodevelopmental disabilitiesOpen field taskGreater locomotor activityPreterm infantsPreterm birthNeurodevelopmental consequencesBirth resultsHypoxic injurySomatosensory cortexCaudate putamenCallosal connectivityCorpus callosumBehavioral deficitsNeurodevelopmental disabilitiesRodent modelsNeonatal developmentDTI findingsSublethal hypoxia
2007
Modeling the neurovascular niche: Murine strain differences mimic the range of responses to chronic hypoxia in the premature newborn
Li Q, Michaud M, Stewart W, Schwartz M, Madri JA. Modeling the neurovascular niche: Murine strain differences mimic the range of responses to chronic hypoxia in the premature newborn. Journal Of Neuroscience Research 2007, 86: 1227-1242. PMID: 18092360, PMCID: PMC2644407, DOI: 10.1002/jnr.21597.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAnimals, NewbornApoptosisBlotting, WesternBrainCell ProliferationDisease Models, AnimalGene ExpressionHematopoiesis, ExtramedullaryHumansHypoxia, BrainImmunohistochemistryImmunoprecipitationInfant, NewbornInfant, PrematureIntercellular Signaling Peptides and ProteinsMiceMice, Inbred C57BLNitric OxideStem CellsConceptsNeural progenitor cellsChronic hypoxiaSubventricular zonePreterm birth resultsLow baseline levelsHypoxia-induced levelsNeurogenic responseNeurovascular nicheHypoxic insultBlunted responseBirth resultsC57BL/6 pupsBaseline levelsMotor disabilityMouse strainsGrowth factorVariable recoveryHypoxiaProgenitor cellsPupsRecent evidenceSignificant cognitiveHypoxicApoptotic responseResponse
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 pupsNeonatal hypoxia suppresses oligodendrocyte Nogo-A and increases axonal sprouting in a rodent model for human prematurity
Weiss J, Takizawa B, McGee A, Stewart WB, Zhang H, Ment L, Schwartz M, Strittmatter S. Neonatal hypoxia suppresses oligodendrocyte Nogo-A and increases axonal sprouting in a rodent model for human prematurity. Experimental Neurology 2004, 189: 141-149. PMID: 15296844, DOI: 10.1016/j.expneurol.2004.05.018.Peer-Reviewed Original ResearchMeSH KeywordsAge FactorsAnimalsAnimals, NewbornAxonsBehavior, AnimalBiotinCentral Nervous SystemDextransDisease Models, AnimalExploratory BehaviorHumansHypoxia, BrainImmunoblottingImmunohistochemistryInfant, NewbornInfant, PrematureMiceMice, Inbred C57BLMyelin Basic ProteinMyelin ProteinsMyelin-Associated GlycoproteinNogo ProteinsOligodendrogliaReceptors, Cell SurfaceTime FactorsConceptsChronic sublethal hypoxiaPeriventricular leukomalaciaMyelin associated glycoproteinCorticospinal tractWhite matterLow birth weight infantsCerebral white matter volumeBirth weight infantsLow birth weightAnterograde axonal tracingPeriventricular white matterPremature human infantsCNS white matterWhite matter volumeHypoxia-induced reductionWeight infantsAxonal sproutingCerebral ventriculomegalyCorticofugal fibersLocomotor hyperactivityNeonatal hypoxiaPersistent abnormalitiesMotor cortexBirth weightHuman prematurity
2002
A1 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
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 ResearchMeSH KeywordsAnimalsAnimals, NewbornCerebral CortexCerebral VentriclesChronic DiseaseCorpus CallosumHypoxia, BrainOrgan SizeOxygenRatsConceptsChronic 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
1992
Early Expression of GABA-containing Neurons in the Prefrontal and Visual Cortices of Rhesus Monkeys
Schwartz M, Meinecke D. Early Expression of GABA-containing Neurons in the Prefrontal and Visual Cortices of Rhesus Monkeys. Cerebral Cortex 1992, 2: 16-37. PMID: 1633406, DOI: 10.1093/cercor/2.1.16.Peer-Reviewed Original ResearchConceptsSubplate zoneCortical neuronsRhesus monkeysDensity of GABADistribution of GABAPrimary sensory regionsFirst postnatal weekElectron microscopic immunohistochemistryImmunoreactive neuronsCerebral cortexTransmitter phenotypeCortical maturationCortical plateBipolar neuronsSubventricular zonePostnatal weekCerebral wallCortical neurogenesisVisual cortexMature monkeysVentricular zoneGABASynaptic interactionsDay 41Neurons
1991
Prenatal specification of callosal connections in rhesus monkey
Schwartz M, Goldman‐Rakic P. Prenatal specification of callosal connections in rhesus monkey. The Journal Of Comparative Neurology 1991, 307: 144-162. PMID: 1713225, DOI: 10.1002/cne.903070113.Peer-Reviewed Original ResearchConceptsCallosal neuronsLayer IIIPrefrontal cortexInjection siteHeterotopic areasCortical layersCallosal projection neuronsLateral orbital cortexLayer III neuronsPrimate prefrontal cortexPattern of maturationMonkey prefrontal cortexDorsolateral prefrontal cortexLarge injection sitesHomotopic cortexOpposite hemisphereCallosal connectionsAdult casesProjection neuronsRetrograde tracerCallosal axonsOrbital cortexComparable injectionsFrontal cortexAdult monkeys
1982
Single cortical neurones have axon collaterals to ipsilateral and contralateral cortex in fetal and adult primates
Schwartz M, Goldman-Rakic P. Single cortical neurones have axon collaterals to ipsilateral and contralateral cortex in fetal and adult primates. Nature 1982, 299: 154-155. PMID: 7110334, DOI: 10.1038/299154a0.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAnimals, NewbornAxonsCerebral CortexCorpus CallosumFluorescent DyesMacaca mulattaNeural PathwaysNeuronsConceptsCortical neuronesDivergent axon collateralsSingle cortical neuronesHeterotopic regionContralateral cortexAxon collateralsCallosal axonsContralateral hemisphereAdult neocortexAdult brainCortical areasCytoarchitectonic areasCell bodiesNeuronesAdult primatesSuch neuronesAxonsCollateralsCallosalNeocortexCortexBrain