2014
Stratified control of IGF-I expression by hypoxia and stress hormones in osteoblasts
McCarthy TL, Yun Z, Madri JA, Centrella M. Stratified control of IGF-I expression by hypoxia and stress hormones in osteoblasts. Gene 2014, 539: 141-151. PMID: 24440782, PMCID: PMC4316208, DOI: 10.1016/j.gene.2014.01.011.Peer-Reviewed Original ResearchMeSH KeywordsAlkaline PhosphataseAnimalsCCAAT-Enhancer-Binding Protein-deltaCell HypoxiaCells, CulturedCore Binding Factor Alpha 1 SubunitDinoprostoneDNADNA ReplicationGene Expression RegulationHydrocortisoneInsulin-Like Growth Factor IOsteoblastsOxygenPromoter Regions, GeneticProtein BiosynthesisRatsRats, Sprague-DawleyRegulatory Elements, TranscriptionalRNA, MessengerConceptsIGF-I expressionStress hormonesIGF-I gene promoterIGF-I mRNAInfluence of PGE2Transcription factor C/EBPδOsteoblast transcription factor Runx2Hypoxic inhibitionI expressionPGE2Stimulatory effectGlucocorticoidsHypoxiaHIF activityHypoxic stressTranscription factor Runx2Bone cellsIGFProlonged exposureHormoneAlkaline phosphatase activitySystemic regulationOsteoblastsResponse elementRunx2
2010
An Implantable Vascularized Protein Gel Construct That Supports Human Fetal Hepatoblast Survival and Infection by Hepatitis C Virus in Mice
Harding MJ, Lepus CM, Gibson TF, Shepherd BR, Gerber SA, Graham M, Paturzo FX, Rahner C, Madri JA, Bothwell AL, Lindenbach BD, Pober JS. An Implantable Vascularized Protein Gel Construct That Supports Human Fetal Hepatoblast Survival and Infection by Hepatitis C Virus in Mice. PLOS ONE 2010, 5: e9987. PMID: 20376322, PMCID: PMC2848675, DOI: 10.1371/journal.pone.0009987.Peer-Reviewed Original ResearchConceptsHepatitis C virusHuman fetal hepatoblastsSmall animal modelsC virusAnimal modelsAccessible small animal modelsHuh-7.5 hepatoma cellsRobust small animal modelHuman hepatocyte engraftmentHuman albumin levelsBcl-2-transduced human umbilical vein endothelial cellsHuman umbilical vein endothelial cellsHepatocyte growth factorUmbilical vein endothelial cellsHCV infectionVein endothelial cellsAlbumin levelsHepatocyte engraftmentBeige miceImmunodeficient miceHistological appearanceImmunoelectron microscopic analysisMRNA expressionViral adsorptionHepatic epithelial cells
2009
Modeling the neurovascular niche: implications for recovery from CNS injury.
Madri JA. Modeling the neurovascular niche: implications for recovery from CNS injury. Journal Of Physiology And Pharmacology 2009, 60 Suppl 4: 95-104. PMID: 20083857.Peer-Reviewed Original ResearchConceptsNeurovascular nicheCNS injuryHIF-1alphaSpinal cord injuryNeural stem cell survivalNeurogenic zonesCord injuryTraumatic brainMurine modelSDF-1Sublethal hypoxiaInjuryStem cell survivalNRP-1Neurodegenerative diseasesEndothelial cellsHypoxiaExpression levelsSurvivalCell survivalFocused reviewDiseaseVariable responseTrkBBDNF
2008
Engineering angiogenesis following spinal cord injury: a coculture of neural progenitor and endothelial cells in a degradable polymer implant leads to an increase in vessel density and formation of the blood–spinal cord barrier
Rauch MF, Hynes SR, Bertram J, Redmond A, Robinson R, Williams C, Xu H, Madri JA, Lavik EB. Engineering angiogenesis following spinal cord injury: a coculture of neural progenitor and endothelial cells in a degradable polymer implant leads to an increase in vessel density and formation of the blood–spinal cord barrier. European Journal Of Neuroscience 2008, 29: 132-145. PMID: 19120441, PMCID: PMC2764251, DOI: 10.1111/j.1460-9568.2008.06567.x.Peer-Reviewed Original ResearchMeSH KeywordsAbsorbable ImplantsAnimalsBlood VesselsBlood-Brain BarrierCells, CulturedCoculture TechniquesDisease Models, AnimalEndothelial CellsFemaleGlycolatesHydrogelsLactic AcidMicrocirculationNeovascularization, PhysiologicPolyglycolic AcidPolylactic Acid-Polyglycolic Acid CopolymerRatsRats, Sprague-DawleyRats, TransgenicSpinal CordSpinal Cord InjuriesStem Cell TransplantationTissue EngineeringTissue ScaffoldsTreatment OutcomeConceptsBlood-spinal cord barrierSpinal cord injuryCord injuryNeural progenitor cellsEndothelial cellsPositive stainingRat hemisection modelEndothelial barrier antigenFunctional vesselsRole of angiogenesisInjury epicenterSimilar coculturesSpinal cordNPC groupHemisection modelEC groupVessel densityLesion controlInjuryNeural regenerationProgenitor cellsAngiogenesisNeural progenitorsSubcutaneous modelCocultureTargeted imaging of hypoxia-induced integrin activation in myocardium early after infarction
Kalinowski L, Dobrucki LW, Meoli DF, Dione DP, Sadeghi MM, Madri JA, Sinusas AJ. Targeted imaging of hypoxia-induced integrin activation in myocardium early after infarction. Journal Of Applied Physiology 2008, 104: 1504-1512. PMID: 18356482, DOI: 10.1152/japplphysiol.00861.2007.Peer-Reviewed Original ResearchMeSH KeywordsActinsAnimalsBiomarkersBiotransformationDogsHeterocyclic Compounds, 1-RingHypoxiaImidazolesImmunohistochemistryIntegrin alphaVbeta3IntegrinsMaleMyocardial InfarctionMyocardial IschemiaMyocardiumNeovascularization, PhysiologicOrganometallic CompoundsOrganotechnetium CompoundsRadiopharmaceuticalsRatsRats, Sprague-DawleyTechnetium Tc 99m SestamibiTomography, Emission-Computed, Single-PhotonConceptsMyocardial infarctionInfarct regionCanine studyIschemic heart diseaseCoronary artery occlusionAcute myocardial infarctionMarkers of angiogenesisEx vivo analysisExpression/activationPotential novel targetHypoxia-induced angiogenesisVivo SPECT imagingAlphavbeta3 integrinBRU59-21Artery occlusionNovel noninvasive approachHeart diseaseHistological evidenceMyocardial hypoxiaMyocardial uptakeRP748Rodent studiesAngiogenic therapyInfarctionMyocardial angiogenesisDifferential Effects of Shear Stress and Cyclic Strain on Sp1 Phosphorylation by Protein Kinase Cζ Modulates Membrane Type 1–Matrix Metalloproteinase in Endothelial Cells
Kim JI, Cordova AC, Hirayama Y, Madri JA, Sumpio BE. Differential Effects of Shear Stress and Cyclic Strain on Sp1 Phosphorylation by Protein Kinase Cζ Modulates Membrane Type 1–Matrix Metalloproteinase in Endothelial Cells. Endothelium 2008, 15: 33-42. PMID: 18568943, PMCID: PMC2644408, DOI: 10.1080/10623320802092260.Peer-Reviewed Original ResearchConceptsSp1 phosphorylationMT1-MMP expressionPromoter sitesPKCzeta inhibitorProtein kinase CzetaAffinity of Sp1Egr-1 bindingProtein kinase CζExtracellular matrix remodelingEndothelial cell migrationSp1Cell migrationPhosphorylationMatrix remodelingProtein expressionCyclic strainExpressionMembrane typeEndothelial cellsKey roleCzetaInhibitorsCζMetalloproteinaseAffinityCo-culture of primary neural progenitor and endothelial cells in a macroporous gel promotes stable vascular networks in vivo
Rauch MF, Michaud M, Xu H, Madri JA, Lavik EB. Co-culture of primary neural progenitor and endothelial cells in a macroporous gel promotes stable vascular networks in vivo. Journal Of Biomaterials Science Polymer Edition 2008, 19: 1469-1485. PMID: 18973724, DOI: 10.1163/156856208786140409.Peer-Reviewed Original Research
2004
Noninvasive imaging of myocardial angiogenesis following experimental myocardial infarction
Meoli DF, Sadeghi MM, Krassilnikova S, Bourke BN, Giordano FJ, Dione DP, Su H, Edwards DS, Liu S, Harris TD, Madri JA, Zaret BL, Sinusas AJ. Noninvasive imaging of myocardial angiogenesis following experimental myocardial infarction. Journal Of Clinical Investigation 2004, 113: 1684-1691. PMID: 15199403, PMCID: PMC420502, DOI: 10.1172/jci20352.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCells, CulturedCoronary VesselsDiagnostic ImagingDogsEndothelial CellsEndothelium, VascularHemodynamicsIndium RadioisotopesIntegrin alphaVbeta3MaleMolecular StructureMyocardial InfarctionMyocardiumNeovascularization, PhysiologicQuinolonesRadiopharmaceuticalsRatsRats, Sprague-DawleyTechnetium Tc 99m SestamibiTomography, Emission-Computed, Single-PhotonConceptsMyocardial angiogenesisMyocardial infarctionRadiotracer uptakeInjury-induced angiogenesisChronic rat modelNoninvasive imaging strategiesTherapeutic myocardial angiogenesisExperimental myocardial infarctionFocal radiotracer uptakePotential novel targetSignificant clinical utilityAlphavbeta3 integrinRisk stratificationHistological evidenceHypoperfused regionsRat modelMyocardial radiotracer uptakeClinical utilityNoninvasive evaluationAngiogenic therapyCanine modelInfarct regionInfarctionNovel targetNoninvasive imagingParacrine 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
Transcriptional Up-regulation of Endothelial Cell Matrix Metalloproteinase-2 in Response to Extracellular Cues Involves GATA-2*
Han X, Boyd PJ, Colgan S, Madri JA, Haas TL. Transcriptional Up-regulation of Endothelial Cell Matrix Metalloproteinase-2 in Response to Extracellular Cues Involves GATA-2*. Journal Of Biological Chemistry 2003, 278: 47785-47791. PMID: 14512418, DOI: 10.1074/jbc.m309482200.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBase SequenceBlotting, NorthernBlotting, WesternCell NucleusCells, CulturedCollagenCOS CellsDNA-Binding ProteinsEndothelial CellsExtracellular MatrixGATA2 Transcription FactorGelatinGenes, ReporterLuciferasesMatrix Metalloproteinase 2MicrocirculationMolecular Sequence DataNeovascularization, PhysiologicPhenotypePromoter Regions, GeneticProtein BindingRatsTranscription FactorsTranscription, GeneticTranscriptional ActivationTransfectionUp-Regulation
2002
Transcription Factor Sp1 Phosphorylation Induced by Shear Stress Inhibits Membrane Type 1-Matrix Metalloproteinase Expression in Endothelium*
Yun S, Dardik A, Haga M, Yamashita A, Yamaguchi S, Koh Y, Madri JA, Sumpio BE. Transcription Factor Sp1 Phosphorylation Induced by Shear Stress Inhibits Membrane Type 1-Matrix Metalloproteinase Expression in Endothelium*. Journal Of Biological Chemistry 2002, 277: 34808-34814. PMID: 12093818, DOI: 10.1074/jbc.m205417200.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBase SequenceCells, CulturedDNADNA-Binding ProteinsEarly Growth Response Protein 1Electrophoretic Mobility Shift AssayEndothelium, VascularImmediate-Early ProteinsMatrix Metalloproteinases, Membrane-AssociatedMetalloendopeptidasesNogalamycinPhosphorylationPromoter Regions, GeneticRatsRats, Sprague-DawleyRNA, MessengerSp1 Transcription FactorStress, PhysiologicalTranscription FactorsConceptsMT1-MMP expressionEgr-1MRNA transcriptionMT1-MMP promoterPost-translational modificationsCalf intestinal phosphataseDistinct environmental stimuliTranscription factor expressionSp1 phosphorylationEgr-1 expressionSp1 DNAEndothelial cell migrationSerine phosphorylationPromoter sitesSp1Cell migrationEnvironmental stimuliMatrix remodelingIntestinal phosphataseProtein levelsTranscriptionTime-dependent fashionPhosphorylationMechanical forcesExpressionCyclic Strain Stimulates Early Growth Response Gene Product 1–Mediated Expression of Membrane Type 1 Matrix Metalloproteinase in Endothelium
Yamaguchi S, Yamaguchi M, Yatsuyanagi E, Yun SS, Nakajima N, Madri JA, Sumpio BE. Cyclic Strain Stimulates Early Growth Response Gene Product 1–Mediated Expression of Membrane Type 1 Matrix Metalloproteinase in Endothelium. Laboratory Investigation 2002, 82: 949-956. PMID: 12118097, DOI: 10.1097/01.lab.0000020408.77307.e9.Peer-Reviewed Original ResearchParacrine 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 VEGFpp60c-src Modulates Microvascular Endothelial Phenotype and in Vitro Angiogenesis
Marx M, Warren S, Madri J. pp60c-src Modulates Microvascular Endothelial Phenotype and in Vitro Angiogenesis. Experimental And Molecular Pathology 2001, 70: 201-213. PMID: 11417999, DOI: 10.1006/exmp.2001.2358.Peer-Reviewed Original ResearchMeSH KeywordsAdipose TissueAnimalsBecaplerminCell DivisionEndothelium, VascularGenes, srcGenetic VectorsMaleMicrocirculationMoloney murine leukemia virusNeovascularization, PhysiologicPlatelet-Derived Growth FactorProto-Oncogene Proteins c-sisProto-Oncogene Proteins pp60(c-src)RatsRecombinant ProteinsSignal TransductionTransfectionConceptsC-Src mutantC-SrcTwo-dimensional cultureThree-dimensional cultureWild-type c-SrcC-Src kinase activityC-Src tyrosine kinaseC-Src associatesC-src proteinPlatelet-derived growth factor receptorV-SrcPDGF signalCytoskeletal organizationGrowth factor receptorKinase activityCell shapeTyrosine kinaseVitro AngiogenesisTube-like structuresCell morphologyFactor receptorTube formationMutantsRegulatory effectsOverexpression
2000
Matrix metalloproteinase activity is required for activity-induced angiogenesis in rat skeletal muscle
Haas T, Milkiewicz M, Davis S, Zhou A, Egginton S, Brown M, Madri J, Hudlicka O. Matrix metalloproteinase activity is required for activity-induced angiogenesis in rat skeletal muscle. AJP Heart And Circulatory Physiology 2000, 279: h1540-h1547. PMID: 11009439, DOI: 10.1152/ajpheart.2000.279.4.h1540.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCapillariesCell DivisionDipeptidesElectric StimulationImmunohistochemistryMatrix Metalloproteinase 2Matrix Metalloproteinase InhibitorsMatrix Metalloproteinases, Membrane-AssociatedMetalloendopeptidasesMicroscopy, ElectronMotor ActivityMuscle, SkeletalNeovascularization, PhysiologicProtease InhibitorsRatsRNA, MessengerConceptsMembrane proteinsBasement membrane proteinsEndothelial cell sprout formationRat skeletal muscleSkeletal muscleMatrix metalloproteinasesMembrane type 1Inflammation-mediated angiogenesisPhysiological angiogenesisBasement membraneCell proliferationMMP proteolysisProtein levelsProteolysisSprout formationMajor classesCritical roleProteinMatrix metalloproteinase activityMetalloproteinase activityProliferationAngiogenesisNew capillariesMembraneMMP inhibitionDistinct roles for matrix metalloproteinase-2 and α4 integrin in autoimmune T cell extravasation and residency in brain parenchyma during experimental autoimmune encephalomyelitis
Graesser D, Mahooti S, Madri J. Distinct roles for matrix metalloproteinase-2 and α4 integrin in autoimmune T cell extravasation and residency in brain parenchyma during experimental autoimmune encephalomyelitis. Journal Of Neuroimmunology 2000, 109: 121-131. PMID: 10996214, DOI: 10.1016/s0165-5728(00)00275-7.Peer-Reviewed Original ResearchConceptsMatrix metalloproteinase-2Auto-reactive T cellsExpression of alpha4T cellsMetalloproteinase-2Human multiple sclerosisExperimental autoimmune encephalomyelitisT cell extravasationMMP-2 inductionCentral nervous systemAutoimmune encephalomyelitisMultiple sclerosisAutoimmune diseasesBrain parenchymaNervous systemΑ4 integrinAlpha4 integrinsCell extravasationIndependent roleEAEAlpha4Basement membrane matrixInductionDistinct rolesIntegrinsTYPE IV COLLAGEN MODULATES ANGIOGENESIS AND NEOVESSEL SURVIVAL IN THE RAT AORTA MODEL
BONANNO E, IURLARO M, MADRI J, NICOSIA R. TYPE IV COLLAGEN MODULATES ANGIOGENESIS AND NEOVESSEL SURVIVAL IN THE RAT AORTA MODEL. In Vitro Cellular & Developmental Biology - Animal 2000, 36: 336-340. PMID: 10937837, DOI: 10.1290/1071-2690(2000)036<0336:ticmaa>2.0.co;2.Peer-Reviewed Original ResearchNeuronal 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
1999
Egr-1 Mediates Extracellular Matrix-driven Transcription of Membrane Type 1 Matrix Metalloproteinase in Endothelium*
Haas T, Stitelman D, Davis S, Apte S, Madri J. Egr-1 Mediates Extracellular Matrix-driven Transcription of Membrane Type 1 Matrix Metalloproteinase in Endothelium*. Journal Of Biological Chemistry 1999, 274: 22679-22685. PMID: 10428849, DOI: 10.1074/jbc.274.32.22679.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBase SequenceCloning, MolecularDNA-Binding ProteinsEarly Growth Response Protein 1Endothelium, VascularExtracellular MatrixGene Expression Regulation, EnzymologicHalf-LifeImmediate-Early ProteinsMatrix Metalloproteinase 14Matrix Metalloproteinases, Membrane-AssociatedMetalloendopeptidasesMiceMolecular Sequence DataNeovascularization, PhysiologicProtein BindingRatsRNA, MessengerSp1 Transcription FactorTranscription FactorsTranscription, GeneticUp-RegulationConceptsMembrane type 1 matrix metalloproteinaseEgr-1MT1-MMPTranscription factor Egr-1Number of proteinsExtracellular matrix environmentEnhanced transcriptional activityEndothelial cellsTranscriptional activityPromoter correlatesIncreased transcriptionCellular invasionInvasive phenotypeMatrix metalloproteinaseTranscriptionMatrix environmentMatrix metalloproteinase activityMetalloproteinase activityCellsMatrix metalloproteinasesInvasionIncrease productionAngiogenesisMetalloproteinaseProtein