Featured Publications
ADAMTS-7 forms a positive feedback loop with TNF-α in the pathogenesis of osteoarthritis
Lai Y, Bai X, Zhao Y, Tian Q, Liu B, Lin E, Chen Y, Lee B, Appleton C, Beier F, Yu X, Liu C. ADAMTS-7 forms a positive feedback loop with TNF-α in the pathogenesis of osteoarthritis. Annals Of The Rheumatic Diseases 2013, 73: 1575. PMID: 23928557, PMCID: PMC4418017, DOI: 10.1136/annrheumdis-2013-203561.Peer-Reviewed Original ResearchConceptsADAMTS-7ADAMTS-7 expressionRat OA modelPathogenesis of osteoarthritisNF-κB signalingOA modelOA progressionCartilage degradationOA-like phenotypeTumor necrosis factorProgression of osteoarthritisJoint degenerative diseaseDownstream NF-κB signalingPotential molecular targetsPositive feedback loopShort-limbed dwarfismDisease progressionOA developmentNecrosis factorSafranin O stainingYoung miceUpregulated TNFReporter gene assayOsteoarthritisTransgenic mice
2010
The role of ADAMTSs in arthritis
Lin E, Liu C. The role of ADAMTSs in arthritis. Protein & Cell 2010, 1: 33-47. PMID: 21203996, PMCID: PMC4418016, DOI: 10.1007/s13238-010-0002-5.Peer-Reviewed Original ResearchConceptsExtracellular matrixCartilage oligomeric matrix proteinProtein processingCartilage extracellular matrixExpression patternsMatrix proteinsADAMTS familyFunctional roleStructural organizationOligomeric matrix proteinADAMTS-12Pro-inflammatory cytokinesLoss of cartilagePathological conditionsEnzymeADAMTSsADAMTS-7Disease processImportant roleArthritisMultiple levelsProteinRoleMutationsProtease
2009
ADAMTS-7, a Direct Target of PTHrP, Adversely Regulates Endochondral Bone Growth by Associating with and Inactivating GEP Growth Factor
Bai X, Wang D, Kong L, Zhang Y, Luan Y, Kobayashi T, Kronenberg H, Yu X, Liu C. ADAMTS-7, a Direct Target of PTHrP, Adversely Regulates Endochondral Bone Growth by Associating with and Inactivating GEP Growth Factor. Molecular And Cellular Biology 2009, 29: 4201-4219. PMID: 19487464, PMCID: PMC2715794, DOI: 10.1128/mcb.00056-09.Peer-Reviewed Original ResearchMeSH KeywordsADAM ProteinsADAMTS7 ProteinAnimalsBlotting, WesternBone and BonesBone DevelopmentCell DifferentiationCell LineCell Line, TumorChondrocytesGene Expression ProfilingHumansImmunohistochemistryImmunoprecipitationIntercellular Signaling Peptides and ProteinsMiceMice, KnockoutParathyroid Hormone-Related ProteinProgranulinsProtein BindingProtein PrecursorsReverse Transcriptase Polymerase Chain ReactionTissue Culture TechniquesTwo-Hybrid System TechniquesConceptsADAMTS-7Granulin-epithelin precursorEndochondral bone formationEndochondral bone growthGrowth factorBone formationChondrocyte differentiationBone growthDirect targetAutocrine growth factorGrowth plate chondrocytesProteolytic activityPTHrPChondrogenic growth factorsChondrocyte hypertrophyExtracellular matrix proteinsCartilage extracellular matrix proteinsImportant targetADAMTS familyInhibitionSkeletal developmentMatrix proteinsExpression patternsExtracellular matrixArthritisADAMTS-7 Mediates Vascular Smooth Muscle Cell Migration and Neointima Formation in Balloon-Injured Rat Arteries
Wang L, Zheng J, Bai X, Liu B, Liu C, Xu Q, Zhu Y, Wang N, Kong W, Wang X. ADAMTS-7 Mediates Vascular Smooth Muscle Cell Migration and Neointima Formation in Balloon-Injured Rat Arteries. Circulation Research 2009, 104: 688-698. PMID: 19168437, DOI: 10.1161/circresaha.108.188425.Peer-Reviewed Original ResearchMeSH KeywordsADAM ProteinsADAMTS7 ProteinAnimalsBecaplerminCarotid ArteriesCarotid Artery InjuriesCatheterizationCell MovementCells, CulturedDisease Models, AnimalExtracellular Matrix ProteinsGlycoproteinsHyperplasiaMaleMatrilin ProteinsMuscle, Smooth, VascularMyocytes, Smooth MuscleNF-kappa BPlatelet-Derived Growth FactorProto-Oncogene Proteins c-sisRatsRats, Sprague-DawleyRNA InterferenceRNA, Small InterferingTime FactorsTranscription Factor AP-1Transduction, GeneticTumor Necrosis Factor-alphaTunica IntimaConceptsVascular smooth muscle cellsCartilage oligomeric matrix proteinADAMTS-7VSMC migrationIntimal thickeningNeointima formationProinflammatory cytokine tumor necrosis factor alphaCytokine tumor necrosis factor alphaTumor necrosis factor alphaADAMTS-7 levelsVascular smooth muscle cell migrationDevelopment of atherosclerosisPrimary vascular smooth muscle cellsSmooth muscle cell migrationNecrosis factor alphaNovel therapeutic targetSmooth muscle cellsMuscle cell migrationPlatelet-derived growthFamily of proteinasesMigration/invasionOligomeric matrix proteinPerivascular administrationBalloon injuryVascular injuryThe role of ADAMTS-7 and ADAMTS-12 in the pathogenesis of arthritis
Liu C. The role of ADAMTS-7 and ADAMTS-12 in the pathogenesis of arthritis. Nature Reviews Rheumatology 2009, 5: 38-45. PMID: 19098927, PMCID: PMC4433145, DOI: 10.1038/ncprheum0961.Peer-Reviewed Original Research
2008
Regulation of chondrocyte differentiation by ADAMTS-12 metalloproteinase depends on its enzymatic activity
Bai X, Wang D, Luan Y, Yu X, Liu C. Regulation of chondrocyte differentiation by ADAMTS-12 metalloproteinase depends on its enzymatic activity. Cellular And Molecular Life Sciences 2008, 66: 667. PMID: 19151918, PMCID: PMC11131527, DOI: 10.1007/s00018-008-8633-x.Peer-Reviewed Original ResearchConceptsADAMTS-12Chondrocyte differentiationGrowth plate chondrocytesType X collagen expressionThrombospondin motifsPTHrPCollagen expressionAltered expressionMRNA levelsProminent expressionDownstream moleculesADAMTS familyMetalloproteinaseInhibitionEnzymatic activityNovel regulatorProteolytic activityChondrocytesExpressionChondrogenesisDifferentiationActivityInhibition of ADAMTS-7 and ADAMTS-12 degradation of cartilage oligomeric matrix protein by alpha-2-macroglobulin
Luan Y, Kong L, Howell D, Ilalov K, Fajardo M, Bai X, Di Cesare P, Goldring M, Abramson S, Liu C. Inhibition of ADAMTS-7 and ADAMTS-12 degradation of cartilage oligomeric matrix protein by alpha-2-macroglobulin. Osteoarthritis And Cartilage 2008, 16: 1413-1420. PMID: 18485748, PMCID: PMC2574789, DOI: 10.1016/j.joca.2008.03.017.Peer-Reviewed Original ResearchConceptsCartilage oligomeric matrix proteinADAMTS-7ADAMTS-12COMP degradationOA patientsOligomeric matrix proteinIL-1betaTNF-alphaHuman chondrocytesCartilage explantsCultured cartilage explantsFirst endogenous inhibitorsArthritic patientsTumor necrosisMatrix proteinsCOMP fragmentsPatientsEndogenous inhibitorDependent mannerOsteoarthritisADAMTS familyAntibodiesInhibitionCartilageChondrocytes
2006
ADAMTS-12 Associates with and Degrades Cartilage Oligomeric Matrix Protein*
Liu C, Kong W, Xu K, Luan Y, Ilalov K, Sehgal B, Yu S, Howell R, Di Cesare P. ADAMTS-12 Associates with and Degrades Cartilage Oligomeric Matrix Protein*. Journal Of Biological Chemistry 2006, 281: 15800-15808. PMID: 16611630, PMCID: PMC1483932, DOI: 10.1074/jbc.m513433200.Peer-Reviewed Original ResearchConceptsCartilage oligomeric matrix proteinADAMTS-12Matrix proteinsOligomeric matrix proteinCOMP degradationNoncollagenous matrix componentsSynovium of patientsProgression of arthritisEpidermal growth factor-like repeat domainRepeat domainExtracellular matrix breakdownFunctional domainsArticular cartilageMolecular mechanismsArthritis patientsRheumatoid arthritisSynovial fluidMatrix breakdownArthritisMatrix componentsDegradative fragmentsPatientsSynoviumProteinNormal cartilageADAMTS‐7: a metalloproteinase that directly binds to and degrades cartilage oligomeric matrix protein
Liu C, Kong W, Ilalov K, Yu S, Xu K, Prazak L, Fajardo M, Sehgal B, Di Cesare P, Liu C, Kong W, Ilalov K, Yu S, Xu K, Prazak L, Fajardo M, Sehgal B, Di Cesare P. ADAMTS‐7: a metalloproteinase that directly binds to and degrades cartilage oligomeric matrix protein. The FASEB Journal 2006, 20: 988-990. PMID: 16585064, PMCID: PMC1483927, DOI: 10.1096/fj.05-3877fje.Peer-Reviewed Original ResearchMeSH KeywordsADAM ProteinsADAMTS7 ProteinAdultAgedAnimalsArthritis, RheumatoidBinding SitesCartilageCartilage Oligomeric Matrix ProteinExtracellular Matrix ProteinsGene Expression Regulation, EnzymologicGlycoproteinsHumansHydrogen-Ion ConcentrationMatrilin ProteinsMiceMiddle AgedProtein BindingRatsRNA, MessengerSynovial MembraneTwo-Hybrid System TechniquesUp-RegulationZincConceptsCartilage oligomeric matrix proteinMatrix proteinsEpidermal growth factor domainTwo-hybrid screenOligomeric matrix proteinGrowth factor domainRecombinant catalytic domainCatalytic domainRepeat domainFunctional domainsInteraction partnersADAMTS-7Factor domainAmino acidsEnzymatic activityProteinHigh expression