2020
A Static Self-Directed Method for Generating Brain Organoids from Human Embryonic Stem Cells.
Boisvert EM, Means RE, Michaud M, Thomson JJ, Madri JA, Katz SG. A Static Self-Directed Method for Generating Brain Organoids from Human Embryonic Stem Cells. Journal Of Visualized Experiments 2020 PMID: 32202516, PMCID: PMC7245934, DOI: 10.3791/60379.Peer-Reviewed Original ResearchConceptsEmbryonic stem cellsCell typesStem cellsIntrinsic developmental cuesHuman embryonic stem cellsHuman pluripotent stem cellsBrain organoidsBrain cell typesPluripotent stem cellsBasement membrane matrixMultiple cell typesDevelopmental cuesUse of organoidsExogenous growth factorsQuantitative reverse transcription polymerase chain reactionMultitude of diseasesHuman brain organoidsOrganoid growthSingle cellsReal-time quantitative reverse transcription polymerase chain reactionSpatial organizationOrganoidsGenetic disordersGrowth factorReverse transcription-polymerase chain reaction
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
2004
A null mutation of Hhex results in abnormal cardiac development,defective vasculogenesis and elevated Vegfa levels
Hallaq H, Pinter E, Enciso J, McGrath J, Zeiss C, Brueckner M, Madri J, Jacobs HC, Wilson CM, Vasavada H, Jiang X, Bogue CW. A null mutation of Hhex results in abnormal cardiac development,defective vasculogenesis and elevated Vegfa levels. Development 2004, 131: 5197-5209. PMID: 15459110, DOI: 10.1242/dev.01393.Peer-Reviewed Original ResearchConceptsEpithelial-mesenchymal transformationVEGFA levelsVentricular septal defectVascular endothelial growth factorDefective vasculogenesisEndothelial growth factorEndocardial cushionsInhibitor of VEGFVascular developmentTract abnormalitiesSeptal defectSFlt-1Right ventricleNormal liverVentral foregut endodermNormal cardiovascular developmentReceptor 1Abnormal cardiac developmentGrowth factorNull mutationVentral foregutAberrant developmentCompact myocardiumAV explantsE8.5-9.0Paracrine and Autocrine Functions of Brain-derived Neurotrophic Factor (BDNF) and Nerve Growth Factor (NGF) in Brain-derived Endothelial Cells*
Kim H, Li Q, Hempstead BL, Madri JA. Paracrine and Autocrine Functions of Brain-derived Neurotrophic Factor (BDNF) and Nerve Growth Factor (NGF) in Brain-derived Endothelial Cells*. Journal Of Biological Chemistry 2004, 279: 33538-33546. PMID: 15169782, DOI: 10.1074/jbc.m404115200.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsApoptosisBlotting, WesternBrainBrain-Derived Neurotrophic FactorCaspase 3CaspasesCell Line, TransformedCerebral CortexEndothelial CellsEnzyme ActivationEnzyme InhibitorsFlow CytometryGene Expression RegulationHypoxiaImmunohistochemistryImmunosorbent TechniquesMAP Kinase Kinase KinasesMitogen-Activated Protein Kinase 1Mitogen-Activated Protein Kinase 3Mitogen-Activated Protein KinasesNerve Growth FactorPhosphoinositide-3 Kinase InhibitorsPhosphorylationRatsReceptor, Nerve Growth FactorReceptor, trkBReceptors, Nerve Growth FactorRecombinant Fusion ProteinsRecombinant ProteinsTransfectionVascular Endothelial Growth Factor Receptor-2ConceptsBrain-derived neurotrophic factorEndogenous brain-derived neurotrophic factorBrain-derived endothelial cellsNerve growth factorEndothelial cellsNeurotrophic factorAutocrine functionExpression of BDNFCentral nervous system (CNS) endotheliumPro-nerve growth factorGrowth factorExpression of TrkBNormoxic conditionsCentral nervous systemBDNF levelsBDNF expressionBDNF responseTrkB phosphorylationNervous systemTrkBSurvival/apoptosisCell survival/apoptosisRobust angiogenesisAkt pathwayInhibitor of phosphatidylinositol
2003
Maternal Diabetes: Effects on Embryonic Vascular Development—A Vascular Endothelial Growth Factor-A-mediated Process
Madri JA, Enciso J, Pinter E. Maternal Diabetes: Effects on Embryonic Vascular Development—A Vascular Endothelial Growth Factor-A-mediated Process. Pediatric And Developmental Pathology 2003, 6: 334-341. PMID: 14692647, DOI: 10.1007/s10024-003-5051-9.Peer-Reviewed Original ResearchConceptsEmbryonic lethal phenotypeGrowth factorVascular endothelial growth factorEndothelial growth factorEpithelial-mesenchymal transformationCardiovascular patterningAberrant organogenesisLethal phenotypeVasculogenesis/angiogenesisPhosphorylation stateTargeted mutationsYolk sacMajor congenital malformationsFactor 1Major birth defectsGrowth factor-1OrganogenesisAdhesion moleculesConceptus culturesMaternal diabetesDiabetic miceCardiovascular abnormalitiesVitelline circulationCongenital malformationsBirth defectsElevated glucose inhibits VEGF-A–mediated endocardial cushion formation
Enciso JM, Gratzinger D, Camenisch TD, Canosa S, Pinter E, Madri JA. Elevated glucose inhibits VEGF-A–mediated endocardial cushion formation. Journal Of Cell Biology 2003, 160: 605-615. PMID: 12591918, PMCID: PMC2173755, DOI: 10.1083/jcb.200209014.Peer-Reviewed Original ResearchMeSH KeywordsAngiogenesis Inducing AgentsAnimalsCell MovementCell SizeCells, CulturedCulture TechniquesDipeptidesEmbryo, MammalianEndocardial Cushion DefectsFemaleGlucoseHeartMaleMatrix Metalloproteinase 2MiceMorphogenesisMyocardiumPlatelet Endothelial Cell Adhesion Molecule-1Protease InhibitorsRecombinant Fusion ProteinsVascular Endothelial Growth Factor AVascular Endothelial Growth Factor Receptor-1ConceptsEpithelial-mesenchymal transformationEndocardial cushion formationPlatelet endothelial cell adhesion molecule-1Cushion formationPECAM-1-positive endothelial cellsSingle cell motilityMMP-2 expressionMorphogenesis resultsHigh glucose-induced inhibitionCell motilityEndothelial cellsBlocks invasionMatrix metalloproteinase-2 expressionEndocardial cellsExtracellular matrixLack of invasionEndothelial cell adhesion molecule-1Mesenchymal cellsMyocardial VEGFMMP-2 inductionMetalloproteinase-2 expressionVEGF-A165ExpressionGrowth factorVascular endothelial growth factor
2002
Paracrine and Autocrine Functions of Neuronal Vascular Endothelial Growth Factor (VEGF) in the Central Nervous System*
Ogunshola OO, Antic A, Donoghue MJ, Fan SY, Kim H, Stewart WB, Madri JA, Ment LR. Paracrine and Autocrine Functions of Neuronal Vascular Endothelial Growth Factor (VEGF) in the Central Nervous System*. Journal Of Biological Chemistry 2002, 277: 11410-11415. PMID: 11777931, DOI: 10.1074/jbc.m111085200.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCerebral CortexEndothelial Growth FactorsImmunohistochemistryLymphokinesMAP Kinase Kinase Kinase 1MiceNeuronsPhosphatidylinositol 3-KinasesPhosphoinositide-3 Kinase InhibitorsPhosphorylationProtein Serine-Threonine KinasesRatsReceptor Protein-Tyrosine KinasesReceptors, Growth FactorReceptors, Vascular Endothelial Growth FactorSignal TransductionVascular Endothelial Growth Factor AVascular Endothelial Growth FactorsConceptsVascular endothelial growth factorNeuronal vascular endothelial growth factorExtracellular signal-regulated protein kinaseSignal-regulated protein kinaseCentral nervous systemFlk-1Inhibition of phosphatidylinositolPost-mitotic neuronsTyrosine phosphorylation levelsInhibition of MEKEndothelial growth factorAutocrine functionGrowth factorEmbryonic mouse forebrainNervous systemMaintenance of neuronsProtein kinaseTyrosine phosphorylationNovel functionNeuronal culturesPhosphorylation levelsSpecific inhibitorExpression of VEGFExogenous additionEmbryonic cortical neurons
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
1998
The synergistic activity of αvβ3 integrin and pdgf receptor increases cell migration
Woodard A, García-Cardeña G, Leong M, Madri J, Sessa W, Languino L. The synergistic activity of αvβ3 integrin and pdgf receptor increases cell migration. Journal Of Cell Science 1998, 111: 469-478. PMID: 9443896, DOI: 10.1242/jcs.111.4.469.Peer-Reviewed Original ResearchMeSH Keywords3T3 CellsAnimalsAntigens, CDBecaplerminCell AdhesionCell DivisionCell MovementCells, CulturedEndothelium, VascularHumansIntegrin alphaVLamininMiceOligopeptidesPlatelet-Derived Growth FactorProto-Oncogene Proteins c-sisRatsReceptor, Platelet-Derived Growth Factor betaReceptors, Platelet-Derived Growth FactorReceptors, VitronectinVitronectinConceptsMicrovascular endothelial cellsGrowth factor receptorGrowth factorEndothelial cellsFactor receptorCell migrationSynergistic activityPlatelet-derived growth factor receptorRat microvascular endothelial cellsAlphavbeta3 integrinGrowth factor-BBNIH 3T3 cellsTissue infiltrationFactor-BBNeovessel formationDifferent antibodiesPlateletsΑvβ3 integrinReceptorsAlphavbeta3Beta1 integrinCell's abilityIntegrinsCellsNovel pathway
1997
Nitric oxide production contributes to the angiogenic properties of vascular endothelial growth factor in human endothelial cells.
Papapetropoulos A, García-Cardeña G, Madri JA, Sessa WC. Nitric oxide production contributes to the angiogenic properties of vascular endothelial growth factor in human endothelial cells. Journal Of Clinical Investigation 1997, 100: 3131-3139. PMID: 9399960, PMCID: PMC508526, DOI: 10.1172/jci119868.Peer-Reviewed Original ResearchConceptsHuman umbilical vein endothelial cellsVascular endothelial growth factorPhosphoinositide-3 kinase inhibitorDimensional collagen gelsRegulator of vasculogenesisKinase inhibitorsGrowth of HUVECsGrowth factorExposure of cellsUmbilical vein endothelial cellsEndothelial cellsTyrosine kinaseHuman endothelial cellsVEGF stimulationSynthase proteinK kinaseEndothelial growth factorVein endothelial cellsProtein levelsEC proliferationKinaseHuman ECsDependent formationNO-dependent mannerShort-term stimulationInvolvement of endothelial PECAM-1/CD31 in angiogenesis.
DeLisser H, Christofidou-Solomidou M, Strieter R, Burdick M, Robinson C, Wexler R, Kerr J, Garlanda C, Merwin J, Madri J, Albelda S. Involvement of endothelial PECAM-1/CD31 in angiogenesis. American Journal Of Pathology 1997, 151: 671-7. PMID: 9284815, PMCID: PMC1857836.Peer-Reviewed Original ResearchMeSH KeywordsAngiotensin-Converting Enzyme InhibitorsAnimalsAntibodies, MonoclonalCells, CulturedCollagenCorneaDrug CombinationsEndotheliumFibroblast Growth Factor 2HumansLamininMiceMice, Inbred C57BLNeovascularization, PhysiologicPlatelet Endothelial Cell Adhesion Molecule-1ProteoglycansRatsRats, Sprague-DawleyTransforming Growth Factor betaConceptsCell-cell adhesion moleculesEndothelial cell-cell adhesion moleculesBasic fibroblast growth factorRat capillary endothelial cellsPECAM-1Adhesion moleculesHuman PECAM-1Murine PECAM-1Endothelial cellsFibroblast growth factorAdhesion receptorsProcess of angiogenesisPECAM-1/CD31Tube formationAdhesive interactionsVessel growthGrowth factorCapillary endothelial cellsPolyclonal antibodiesRat corneal neovascularizationAngiogenesisCorneal neovascularizationCellsMurine modelMonoclonal antibodiesVascular 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 proteinPlatelet-endothelial cell adhesion molecule-1 (PECAM-1/CD31) tyrosine phosphorylation state changes during vasculogenesis in the murine conceptus.
Pinter E, Barreuther M, Lu T, Imhof B, Madri J. Platelet-endothelial cell adhesion molecule-1 (PECAM-1/CD31) tyrosine phosphorylation state changes during vasculogenesis in the murine conceptus. American Journal Of Pathology 1997, 150: 1523-30. PMID: 9137078, PMCID: PMC1858227.Peer-Reviewed Original ResearchConceptsBlood islandsSrc homology 2 domain-containing proteinsDomain-containing proteinsPhosphorylation state changesPlatelet endothelial cell adhesion molecule-1PECAM-1 cytoplasmic domainMurine conceptusParticular tyrosine residueCell-extracellular matrixDifferential tyrosine phosphorylationCell-cell interactionsEndothelial cell migrationCytoplasmic domainEmbryonic angioblastsMesodermal cellsTyrosine phosphorylationTyrosine residuesCellular localizationCell migrationAngioblastsPhosphorylationGrowth factorVasculogenesisCell adhesion molecule-1Morphogens
1996
Role of plasminogen activator inhibitor in the reciprocal regulation of bovine aortic endothelial and smooth muscle cell migration by TGF-beta 1.
Petzelbauer E, Springhorn J, Tucker A, Madri J. Role of plasminogen activator inhibitor in the reciprocal regulation of bovine aortic endothelial and smooth muscle cell migration by TGF-beta 1. American Journal Of Pathology 1996, 149: 923-31. PMID: 8780396, PMCID: PMC1865168.Peer-Reviewed Original ResearchConceptsVascular cell typesCell typesSmooth muscle cellsPlasminogen activator inhibitorMuscle cellsAnti-catalytic antibodyActivator inhibitorExtracellular matrix componentsMigratory rateVascular smooth muscle cellsEndothelial cellsSmooth muscle cell migrationUrokinase plasminogen activatorMigratory behaviorReciprocal regulationMuscle cell migrationStable transfectantsCell migrationExtracellular matrixIntegrin synthesisMatrix componentsMigratory responseProteolytic phenotypeProteolytic activityGrowth factor
1992
Acidic fibroblast growth factor-Pseudomonas exotoxin chimeric protein elicits antiangiogenic effects on endothelial cells.
Merwin J, Lynch M, Madri J, Pastan I, Siegall C. Acidic fibroblast growth factor-Pseudomonas exotoxin chimeric protein elicits antiangiogenic effects on endothelial cells. Cancer Research 1992, 52: 4995-5001. PMID: 1381275.Peer-Reviewed Original ResearchMeSH KeywordsADP Ribose TransferasesAmino Acid SequenceAnimalsBacterial ToxinsCell MovementCell SurvivalCells, CulturedEndothelium, VascularExotoxinsFibroblast Growth Factor 1In Vitro TechniquesMolecular Sequence DataNeovascularization, PathologicRatsRats, Inbred StrainsReceptors, Cell SurfaceReceptors, Fibroblast Growth FactorRecombinant Fusion ProteinsVirulence FactorsConceptsGrowth factor beta 1Endothelial cellsChimeric toxinBeta 1Inhibitory effectDose-dependent toxic effectAnti-angiogenic agentsMicrovascular endothelial cellsAcidic fibroblast growth factorFibroblast growth factorSignificant inhibitory effectMicrovascular endotheliumAntiangiogenic effectsPseudomonas exotoxinTumor cell linesAntimigratory effectsGrowth factorAngiogenic responseProtein synthesisCell linesFGF receptorsToxic effectsCell deathEndotheliumCell viability analysisIndependent modulation of enterocyte migration and proliferation by growth factors, matrix proteins, and pharmacologic agents in an in vitro model of mucosal healing.
Basson M, Modlin I, Flynn S, Jena B, Madri J. Independent modulation of enterocyte migration and proliferation by growth factors, matrix proteins, and pharmacologic agents in an in vitro model of mucosal healing. Surgery 1992, 112: 299-307; discussion 307-8. PMID: 1353641.Peer-Reviewed Original ResearchConceptsMucosal healingPharmacologic agentsGrowth factorEGF-stimulated proliferationCaco-2 enterocytesHuman Caco-2 enterocytesInhibited basalAlpha 2 integrin subunitMatrix proteinsEnterocyte migrationCollagen IInhibitor genisteinIntegrin subunitsHealingIndomethacinProliferationTyrosine kinaseEGFLamininBasalGenisteinAltered organizationIndependent modulationHuman enterocyte (Caco-2) migration is modulated in vitro by extracellular matrix composition and epidermal growth factor.
Basson M, Modlin I, Madri J. Human enterocyte (Caco-2) migration is modulated in vitro by extracellular matrix composition and epidermal growth factor. Journal Of Clinical Investigation 1992, 90: 15-23. PMID: 1634605, PMCID: PMC443057, DOI: 10.1172/jci115828.Peer-Reviewed Original ResearchConceptsEpidermal growth factorCaco-2 cellsGrowth factorEGF treatmentEnterocyte migrationHuman colonic cell lineColonic cell lineAlpha 2 subunitIntegrin surface expressionEGF-treated cellsAlpha integrin subunitsCollagen I.Functional antibodiesCell surface receptorsCollagen type IIntegrin expressionAlpha 2Basal migrationCell proliferationSurface expressionCollagen IExtracellular matrix compositionCell linesIntegrin subunitsSurface receptors
1991
Vascular cell responses to a hybrid Transforming Growth Factor-Beta molecule
Merwin J, Tucker A, Madisen L, Purchio A, Madri J. Vascular cell responses to a hybrid Transforming Growth Factor-Beta molecule. Biochemical And Biophysical Research Communications 1991, 175: 589-595. PMID: 1708238, DOI: 10.1016/0006-291x(91)91606-d.Peer-Reviewed Original ResearchVascular cells respond differentially to transforming growth factors beta 1 and beta 2 in vitro.
Merwin J, Newman W, Beall L, Tucker A, Madri J. Vascular cells respond differentially to transforming growth factors beta 1 and beta 2 in vitro. American Journal Of Pathology 1991, 138: 37-51. PMID: 1846264, PMCID: PMC1886039.Peer-Reviewed Original ResearchConceptsBovine aortic endothelial cellsBovine aortic smooth muscle cellsGrowth factorGrowth factor beta 1Aortic smooth muscle cellsTGF-beta concentrationsSmooth muscle cellsProliferation of BAECsTGF-beta receptorsBovine aortic endothelial cell migrationType IAortic endothelial cellsTGF beta sCell typesMicrovascular endotheliumVascular cell typesReceptor assayMuscle cellsVascular cellsEndothelial cellsBeta 1Endothelial cell migrationBeta 2Angiogenic assaysBASMCs