2008
TNF-&agr; Induces MMP2 Gelatinase Activity and MT1-MMP Expression in an In Vitro Model of Nucleus Pulposus Tissue Degeneration
Séguin CA, Pilliar RM, Madri JA, Kandel RA. TNF-&agr; Induces MMP2 Gelatinase Activity and MT1-MMP Expression in an In Vitro Model of Nucleus Pulposus Tissue Degeneration. Spine 2008, 33: 356-365. PMID: 18277865, DOI: 10.1097/brs.0b013e3181642a5e.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCattleElectrophoretic Mobility Shift AssayExtracellular Signal-Regulated MAP KinasesGene ExpressionImmunoblottingIn Vitro TechniquesIntervertebral DiscLuciferasesMatrix Metalloproteinase 14Matrix Metalloproteinase 2Reverse Transcriptase Polymerase Chain ReactionTumor Necrosis Factor-alphaUp-RegulationConceptsMMP-2 gelatinase activityERK MAPK pathwayTranscriptional activationMT1-MMPElectrophoretic mobility shift assaysMT1-MMP promoterMMP-2 geneMobility shift assaysSignal transduction mechanismsProtein levelsERK 1/2 activationNP tissuesTranscription factorsShift assaysMT1-MMP expressionReporter constructsTNF-alpha inductionERK MAPKGelatinase activityLuciferase constructEgr-1TNF-alpha treatmentMMP-2 activationSP-1Transduction mechanismsDifferential 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 roleCzetaInhibitorsCζMetalloproteinaseAffinity
2004
MMP‐2 null mice exhibit an early onset and severe experimental autoimmune encephalomyelitis due to an increase in MMP‐9 expression and activity
Esparza J, Kruse M, Lee J, Michaud M, Madri JA. MMP‐2 null mice exhibit an early onset and severe experimental autoimmune encephalomyelitis due to an increase in MMP‐9 expression and activity. The FASEB Journal 2004, 18: 1682-1691. PMID: 15522913, DOI: 10.1096/fj.04-2445com.Peer-Reviewed Original ResearchMeSH KeywordsAge of OnsetAnimalsBasement MembraneBlood-Brain BarrierBrainCD3 ComplexCell MovementEncephalomyelitis, Autoimmune, ExperimentalEnzyme ActivationGene Expression Regulation, EnzymologicMatrix Metalloproteinase 14Matrix Metalloproteinase 2Matrix Metalloproteinase 9Matrix Metalloproteinases, Membrane-AssociatedMetalloendopeptidasesMiceMice, KnockoutT-Lymphocyte SubsetsT-LymphocytesConceptsMMP-2 KO miceExperimental autoimmune encephalomyelitisMMP-9 expressionAutoimmune encephalomyelitisEarly onsetWT miceKO miceMMP-9Bone marrowSevere experimental autoimmune encephalomyelitisMMP-2 null miceSimilar early onsetWT bone marrowClinical disease scoresMMP-2-deficient miceKO bone marrowMatrix metalloproteinase-2MT1-MMP expressionEndothelial cell monolayersSevere diseaseDisease scoreMetalloproteinase-2Collagen type IVMMP-2Matrix metalloproteinase
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 forcesExpression