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
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
2006
Modeling the neurovascular niche: VEGF‐ and BDNF‐mediated cross‐talk between neural stem cells and endothelial cells: An in vitro study
Li Q, Ford MC, Lavik EB, Madri JA. Modeling the neurovascular niche: VEGF‐ and BDNF‐mediated cross‐talk between neural stem cells and endothelial cells: An in vitro study. Journal Of Neuroscience Research 2006, 84: 1656-1668. PMID: 17061253, DOI: 10.1002/jnr.21087.Peer-Reviewed Original ResearchMeSH KeywordsAnalysis of VarianceAnimalsAnimals, NewbornBrainBrain-Derived Neurotrophic FactorCell CommunicationCell ProliferationCells, CulturedCoculture TechniquesEndothelial CellsEnzyme-Linked Immunosorbent AssayGreen Fluorescent ProteinsMiceMice, Inbred C57BLMice, TransgenicMicroscopy, Electron, TransmissionModels, BiologicalNerve Tissue ProteinsNeuronsNitric OxidePlatelet Endothelial Cell Adhesion Molecule-1Stem CellsVascular Endothelial Growth Factor AConceptsBrain-derived neurotrophic factorBrain-derived endothelial cellsNeural stem cellsNeurovascular nicheTube formationResident neural stem cellsEndothelial cellsCell-derived soluble factorsVascular endothelial growth factorStem cellsNitric oxide scavengerEndothelial growth factorPaucity of dataExogenous NO donorNeurotrophic factorStem cell modulationVascular tube formationCell modulationENOS activationNO donorSoluble factorsGrowth factorNeuronal differentiationReciprocal modulationInduction
2002
Disrupted synaptic development in the hypoxic newborn brain
Curristin SM, Cao A, Stewart WB, Zhang H, Madri JA, Morrow JS, Ment LR. Disrupted synaptic development in the hypoxic newborn brain. Proceedings Of The National Academy Of Sciences Of The United States Of America 2002, 99: 15729-15734. PMID: 12438650, PMCID: PMC137784, DOI: 10.1073/pnas.232568799.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAnimals, NewbornApoptosisAtmosphere Exposure ChambersBrain Damage, ChronicCell DifferentiationCytoskeletonDisease Models, AnimalDNA, ComplementaryEndothelial Growth FactorsGene Expression ProfilingHypoxiaHypoxia-Inducible Factor 1, alpha SubunitHypoxia, BrainIntercellular Signaling Peptides and ProteinsLymphokinesMembrane ProteinsMiceMice, Inbred C57BLMicrotubulesNerve Tissue ProteinsOligodendrogliaOligonucleotide Array Sequence AnalysisStress, PhysiologicalSynapsesSynaptic TransmissionTranscription FactorsTranscription, GeneticVascular Endothelial Growth Factor AVascular Endothelial Growth FactorsConceptsPostnatal hypoxiaCerebral maturationGlial maturationNewborn brainSynaptic maturationPresynaptic functionPostsynaptic functionSublethal hypoxiaSynaptic developmentHealth crisisHypoxiaCognitive disabilitiesBrainMaturation programMaturationDysynchronyNeuropathologyInfantsNeurotransmissionCohortProtein assaysMiceHypoxic
2001
Astrocyte-derived VEGF mediates survival and tube stabilization of hypoxic brain microvascular endothelial cells in vitro
Chow J, Ogunshola O, Fan S, Li Y, Ment L, Madri J. Astrocyte-derived VEGF mediates survival and tube stabilization of hypoxic brain microvascular endothelial cells in vitro. Brain Research 2001, 130: 123-132. PMID: 11557101, DOI: 10.1016/s0165-3806(01)00220-6.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAnimals, NewbornApoptosisAstrocytesCell CommunicationCell Culture TechniquesCell DivisionCell HypoxiaCell SurvivalCoculture TechniquesCollagenEndothelial Growth FactorsEndothelium, VascularGelsHypoxia, BrainLymphokinesMitogen-Activated Protein KinasesPhosphorylationProtein Serine-Threonine KinasesProto-Oncogene ProteinsProto-Oncogene Proteins c-aktRatsVascular Endothelial Growth Factor AVascular Endothelial Growth FactorsConceptsBrain microvascular endothelial cellsChronic sublethal hypoxiaVascular endothelial growth factorHypoxic conditionsNewborn rat astrocytesMicrovascular endothelial cellsEndothelial growth factorDose-dependent mannerEffects of hypoxiaVEGF receptor 1Mild hypoxic conditionsImportance of VEGFRBE4 cellsRat astrocytesAmount of VEGFSublethal hypoxiaReceptor 1MAPK tyrosine phosphorylationEndothelial cellsGrowth factorRobust inductionVEGFTube formationTube stabilizationExogenous VEGF
2000
Neuronal VEGF expression correlates with angiogenesis in postnatal developing rat brain
Ogunshola O, Stewart W, Mihalcik V, Solli T, Madri J, Ment L. Neuronal VEGF expression correlates with angiogenesis in postnatal developing rat brain. Brain Research 2000, 119: 139-153. PMID: 10648880, DOI: 10.1016/s0165-3806(99)00125-x.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAnimals, NewbornCell CountCerebral CortexChronic DiseaseEndothelial Growth FactorsGene Expression Regulation, DevelopmentalGlial Fibrillary Acidic ProteinHypoxia, BrainLymphokinesMicrocirculationNeovascularization, PhysiologicNeurogliaNeuronsPlatelet Endothelial Cell Adhesion Molecule-1RatsRNA, MessengerVascular Endothelial Growth Factor AVascular Endothelial Growth FactorsConceptsVascular endothelial growth factorLocalization of VEGFCortical neuronsGlial cellsNeuronal expressionChronic sublethal hypoxiaRat brain cortexAge-matched controlsCortical brain tissueHypoxia-driven angiogenesisPostnatal day 3Endothelial growth factorDensity of vesselsWestern blot analysisHypoxic animalsHypoxic chamberVascular bedNewborn ratsRat brainBrain cortexControl animalsDay 3High neuronal expressionSublethal hypoxiaPostnatal development
1997
An in vitro three-dimensional coculture model of cerebral microvascular angiogenesis and differentiation
Ment L, Stewart W, Scaramuzzino D, Madri J. An in vitro three-dimensional coculture model of cerebral microvascular angiogenesis and differentiation. In Vitro Cellular & Developmental Biology - Animal 1997, 33: 684-691. PMID: 9358284, DOI: 10.1007/s11626-997-0126-y.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAnimals, NewbornAstrocytesBrainCell DifferentiationCoculture TechniquesDogsEndothelium, VascularEnzyme ActivationFibronectinsImmunohistochemistryLamininMicrocirculationMicroscopy, ConfocalMicroscopy, FluorescenceModels, BiologicalNeovascularization, PhysiologicRatsRNA, MessengerUrokinase-Type Plasminogen ActivatorConceptsAstrocyte coculturesThree-dimensional cocultureBrain microvascular endothelial cellsNewborn beagle pupsPostnatal day 1Microvascular endothelial cellsNeonatal rat forebrainCell typesPlasminogen activator activityPreterm birthMicrovascular responsesBeagle pupsThree-dimensional coculture modelDay 1Rat forebrainGlial processesEndothelial proliferationMicrovascular angiogenesisEndothelial cellsCoculture modelPlasminogen zymographyOnly low levelsExtracellular matrix componentsTube formationCocultureVascular endothelial growth factor mediates reactive angiogenesis in the postnatal developing brain
Ment L, Stewart W, Fronc R, Seashore C, Mahooti S, Scaramuzzino D, Madri J. Vascular endothelial growth factor mediates reactive angiogenesis in the postnatal developing brain. Brain Research 1997, 100: 52-61. PMID: 9174246, DOI: 10.1016/s0165-3806(97)00012-6.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAnimals, NewbornAstrocytesCell DivisionCell HypoxiaCells, CulturedCerebral CortexCoculture TechniquesEndothelial Growth FactorsEndothelium, VascularHypoxia, BrainLymphokinesMicrocirculationNeovascularization, PathologicNeovascularization, PhysiologicRatsRats, Sprague-DawleyRNA, MessengerTranscription, GeneticVascular Endothelial Growth Factor AVascular Endothelial Growth FactorsConceptsVascular endothelial growth factorEndothelial growth factorVEGF protein levelsExperimental ratsSublethal hypoxiaBrain microvascular endothelial cellsEndothelial cellsGrowth factorChronic sublethal hypoxiaProtein levelsAge-matched controlsMicrovascular endothelial cellsHypoxic pupsHRP studyCortical vesselsImmunohistochemical studyVascular densityAddition of VEGFBeagle pupsNewborn ratsReactive angiogenesisAstrocyte culturesThree-dimensional cocultureRat forebrainVEGF protein
1992
Indomethacin promotes germinal matrix microvessel maturation in the newborn beagle pup.
Ment L, Stewart W, Ardito T, Huang E, Madri J. Indomethacin promotes germinal matrix microvessel maturation in the newborn beagle pup. Stroke 1992, 23: 1132-1137. PMID: 1636188, DOI: 10.1161/01.str.23.8.1132.Peer-Reviewed Original ResearchConceptsNewborn beagle pupsPostnatal day 2Germinal matrixPostnatal ageBeagle pupsIntraventricular hemorrhageVessel densityDay 2Postnatal day 1Laminin depositionMechanism of actionMicrovessel maturationStudy medicationBeta 1 integrinImmunohistochemical studyPostnatal dayDose i.Animal studiesDay 1IndomethacinNewborn pupsHemorrhageBasement membrane depositionBuffered formalinCollagen staining
1991
Beagle pup germinal matrix maturation studies.
Ment L, Stewart W, Ardito T, Madri J. Beagle pup germinal matrix maturation studies. Stroke 1991, 22: 390-395. PMID: 2003309, DOI: 10.1161/01.str.22.3.390.Peer-Reviewed Original ResearchConceptsAlpha-smooth muscle actinIntraventricular hemorrhageDay 1Muscle actinRisk periodGlial fibrillary acidic proteinGerminal matrix vasculatureNewborn beagle pupsPostnatal day 1Postnatal day 4Postnatal day 10Fibrillary acidic proteinGerminal matrix vesselsGerminal matrix tissuePreterm infantsImmunohistochemical studyPerinatal maturationPostnatal dayBeagle pupsVessel densityHemorrhageExtracellular matrix componentsDay 4Day 10Basement membrane proteins