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
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