2011
GEP constitutes a negative feedback loop with MyoD and acts as a novel mediator in controlling skeletal muscle differentiation
Wang D, Bai X, Tian Q, Lai Y, Lin E, Shi Y, Mu X, Feng J, Carlson C, Liu C. GEP constitutes a negative feedback loop with MyoD and acts as a novel mediator in controlling skeletal muscle differentiation. Cellular And Molecular Life Sciences 2011, 69: 1855-1873. PMID: 22179841, PMCID: PMC3319484, DOI: 10.1007/s00018-011-0901-5.Peer-Reviewed Original ResearchConceptsMyoD transcription factorGranulin-epithelin precursorTranscription factorsMyoblast fusionMyotube formationMuscle-specific transcription factorsC2C12 myoblast fusionE-box sequenceSkeletal muscle differentiationFusion of myoblastsNegative feedback loopGrowth factorEmbryonic developmentRegulatory regionsMuscle differentiationSkeletal muscle tissueC2C12 myoblastsRegulatory loopSiRNA approachNovel mediatorAutocrine growth factorJunBKnockdown miceMyoblastsTissue repair
2010
Granulin epithelin precursor: a bone morphogenic protein 2‐inducible growth factor that activates Erk1/2 signaling and JunB transcription factor in chondrogenesis
Feng J, Guo F, Jiang B, Zhang Y, Frenkel S, Wang D, Tang W, Xie Y, Liu C. Granulin epithelin precursor: a bone morphogenic protein 2‐inducible growth factor that activates Erk1/2 signaling and JunB transcription factor in chondrogenesis. The FASEB Journal 2010, 24: 1879-1892. PMID: 20124436, PMCID: PMC2874481, DOI: 10.1096/fj.09-144659.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBiomarkersBlotting, WesternBone Morphogenetic Protein 2CartilageCell DifferentiationCells, CulturedChondrocytesChondrogenesisChromatin ImmunoprecipitationFetusGene Expression ProfilingHumansImmunoenzyme TechniquesIn Situ HybridizationIntercellular Signaling Peptides and ProteinsMesenchymal Stem CellsMiceMice, Inbred C3HMice, KnockoutMitogen-Activated Protein Kinase 1Mitogen-Activated Protein Kinase 3Oligonucleotide Array Sequence AnalysisProgranulinsProto-Oncogene Proteins c-junRabbitsReverse Transcriptase Polymerase Chain ReactionRNA ProbesRNA, MessengerSignal TransductionConceptsJunB transcription factorKey downstream moleculeGranulin-epithelin precursorChondrocyte differentiationTranscription factorsDownstream moleculesNovel critical roleGrowth factorBone morphogenic proteinBone morphogenic protein-2Molecular eventsMesenchymal stem cellsERK1/2 signalingProtein 2Morphogenic proteinStem cellsDifferentiationBMP2Critical roleTissue regenerationVivoSignalingCartilage repairProteinChondrogenesis
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 matrixArthritisThe 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
2007
Cartilage Oligomeric Matrix Protein Associates with Granulin-Epithelin Precursor (GEP) and Potentiates GEP-stimulated Chondrocyte Proliferation*
Xu K, Zhang Y, Ilalov K, Carlson C, Feng J, Di Cesare P, Liu C. Cartilage Oligomeric Matrix Protein Associates with Granulin-Epithelin Precursor (GEP) and Potentiates GEP-stimulated Chondrocyte Proliferation*. Journal Of Biological Chemistry 2007, 282: 11347-11355. PMID: 17307734, DOI: 10.1074/jbc.m608744200.Peer-Reviewed Original ResearchConceptsGranulin-epithelin precursorCartilage oligomeric matrix proteinMutant cartilage oligomeric matrix proteinTwo-hybrid systemCo-immunoprecipitation assaysFunctional genetic screensChondrocyte proliferationHuman cartilage oligomeric matrix proteinGenetic screenRat chondrosarcoma cellsProtein associatesGrowth factorRepeat domainBiological functionsFunctional domainsMouse embryosMatrix proteinsAnti-COMP antibodiesChondrosarcoma cellsOligomeric matrix proteinAutocrine growth factorMultiple epiphyseal dysplasiaPericellular matrixPrimary human chondrocytesRepeat units