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 mechanisms
2007
Loss of MMP-2 disrupts skeletal and craniofacial development and results in decreased bone mineralization, joint erosion and defects in osteoblast and osteoclast growth
Mosig RA, Dowling O, DiFeo A, Ramirez MC, Parker IC, Abe E, Diouri J, Al Aqeel AA, Wylie JD, Oblander SA, Madri J, Bianco P, Apte SS, Zaidi M, Doty SB, Majeska RJ, Schaffler MB, Martignetti JA. Loss of MMP-2 disrupts skeletal and craniofacial development and results in decreased bone mineralization, joint erosion and defects in osteoblast and osteoclast growth. Human Molecular Genetics 2007, 16: 1113-1123. PMID: 17400654, PMCID: PMC2576517, DOI: 10.1093/hmg/ddm060.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsArthritisBone and BonesBone RemodelingCalcification, PhysiologicCell ProliferationCells, CulturedCraniofacial AbnormalitiesGene DeletionHumansImmunohistochemistryJointsMatrix Metalloproteinase 2MiceMice, KnockoutOsteoblastsOsteoclastsReverse Transcriptase Polymerase Chain ReactionRNA, Small InterferingTime FactorsTomography, X-Ray ComputedConceptsMMP2-/- miceMMP-2Arthritis syndromeArticular cartilage destructionOsteoclast growthBone mineral densityDays of lifeWeeks of lifeWeeks of ageMMP-2 overexpressionJoint erosionsBone lossCartilage destructionNormal cell numbersPathophysiological mechanismsOsteoclast numberVivo physiological roleMineral densityControl littermatesAnatomical distributionBone disordersMurine modelMineralization defectMulticentric osteolysisDisease pathogenesis