2003
Selective inhibitors of the osteoblast proteasome stimulate bone formation in vivo and in vitro
Garrett IR, Chen D, Gutierrez G, Zhao M, Escobedo A, Rossini G, Harris SE, Gallwitz W, Kim KB, Hu S, Crews CM, Mundy GR. Selective inhibitors of the osteoblast proteasome stimulate bone formation in vivo and in vitro. Journal Of Clinical Investigation 2003, 111: 1771-1782. PMID: 12782679, PMCID: PMC156102, DOI: 10.1172/jci16198.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBlotting, NorthernBlotting, WesternBone and BonesBone DevelopmentBone Morphogenetic Protein 2Bone Morphogenetic Protein 4Bone Morphogenetic ProteinsCarrier ProteinsCell DivisionCell LineCysteine EndopeptidasesDNADose-Response Relationship, DrugEnzyme-Linked Immunosorbent AssayGenetic VectorsHumansLuciferasesMiceMice, Inbred ICRMultienzyme ComplexesOrgan Culture TechniquesOsteoblastsPromoter Regions, GeneticProteasome Endopeptidase ComplexProteinsRNA, MessengerSkullTranscription, GeneticTransfectionTransforming Growth Factor betaConceptsUbiquitin-proteasome pathwayBMP-4BMP-2Osteoblast differentiationBMP-6 mRNA expressionUbiquitin-proteasome machineryEffect of nogginCatalytic beta subunitsProteasome inhibitorsBMP-2 gene expressionBone morphogenetic protein-2Drosophila homologueMorphogenetic protein-2Gli3 proteinGene expressionBeta subunitProteolytic processingProtein 2Bone formationDifferent inhibitorsEndogenous inhibitorOsteoblastic cellsProteasomeNogginInhibitor-1
2001
Lack of Proteasome Active Site Allostery as Revealed by Subunit-Specific Inhibitors
Myung J, Kim K, Lindsten K, Dantuma N, Crews C. Lack of Proteasome Active Site Allostery as Revealed by Subunit-Specific Inhibitors. Molecular Cell 2001, 7: 411-420. PMID: 11239469, DOI: 10.1016/s1097-2765(01)00188-5.Peer-Reviewed Original ResearchMeSH KeywordsAllosteric RegulationAnimalsBinding SitesCattleCell DivisionCells, CulturedChymotrypsinCysteine EndopeptidasesEndopeptidasesEpoxy CompoundsHumansHydrolysisKetonesKineticsModels, BiologicalMultienzyme ComplexesProtease InhibitorsProteasome Endopeptidase ComplexProtein SubunitsRecombinant Fusion ProteinsSerineSubstrate SpecificityTransfectionConceptsProtein degradation assaysSubunit-specific inhibitorsProtein degradationDegradation assaysCellular proliferationChymotrypsin-like activityPeptidyl-glutamyl peptideEpoxyketone inhibitorsActive siteSuch interactionsInhibitorsAllosteryProteasomeSitesSubunitsInhibitionSubstrateActivityProliferationAssaysPeptidesOccupancy
2000
The antiangiogenic agent TNP-470 requires p53 and p21CIP/WAF for endothelial cell growth arrest
Yeh J, Mohan R, Crews C. The antiangiogenic agent TNP-470 requires p53 and p21CIP/WAF for endothelial cell growth arrest. Proceedings Of The National Academy Of Sciences Of The United States Of America 2000, 97: 12782-12787. PMID: 11070090, PMCID: PMC18841, DOI: 10.1073/pnas.97.23.12782.Peer-Reviewed Original ResearchMeSH KeywordsAdultAngiogenesis InhibitorsAnimalsCell CycleCell DivisionCells, CulturedCorneal NeovascularizationCyclin-Dependent Kinase Inhibitor p21Cyclin-Dependent KinasesCyclinsCyclohexanesEndothelium, VascularGene ExpressionHumansMiceMice, KnockoutNuclear ProteinsO-(Chloroacetylcarbamoyl)fumagillolProto-Oncogene ProteinsProto-Oncogene Proteins c-mdm2SesquiterpenesTumor Suppressor Protein p53ConceptsTNP-470Endothelial cellsAntiangiogenic agent TNP-470Subsequent growth arrestGrowth arrestCyclin-dependent kinase inhibitorAntiangiogenic strategiesPrimary endothelial cellsEndothelial cell growth arrestP21CIP/WAFEndothelial cell cycleCell growth arrestKinase inhibitorsAntiangiogenic activityCell cycle regulatorsAngiogenesis assayCytostatic activityP53 activationMiceCritical cell cycle regulatorsCycle regulatorsUnique mechanismAdult fibroblastsCell-type specificityArrestThe Selective Proteasome Inhibitors Lactacystin and Epoxomicin Can Be Used to Either Up- or Down-Regulate Antigen Presentation at Nontoxic Doses
Schwarz K, de Giuli R, Schmidtke G, Kostka S, van den Broek M, Kim K, Crews C, Kraft R, Groettrup M. The Selective Proteasome Inhibitors Lactacystin and Epoxomicin Can Be Used to Either Up- or Down-Regulate Antigen Presentation at Nontoxic Doses. The Journal Of Immunology 2000, 164: 6147-6157. PMID: 10843664, PMCID: PMC2507740, DOI: 10.4049/jimmunol.164.12.6147.Peer-Reviewed Original ResearchMeSH KeywordsAcetylcysteineAmino Acid SequenceAnimalsAntigen PresentationAntigens, ViralApoptosisCell DivisionCell LineCysteine EndopeptidasesCysteine Proteinase InhibitorsDose-Response Relationship, ImmunologicDown-RegulationGlycoproteinsHumansHybridomasHydrolysisLymphocyte ActivationLymphocytic choriomeningitis virusMiceMice, Inbred BALB CMice, Inbred C57BLMolecular Sequence DataMultienzyme ComplexesNucleoproteinsOligopeptidesPeptide FragmentsProteasome Endopeptidase ComplexT-Lymphocytes, CytotoxicTumor Cells, CulturedUbiquitinsUp-RegulationViral ProteinsConceptsAg presentationProteasome inhibitor lactacystinCellular proliferationProteasome activitySelective inhibitionMHC class IDose-dependent mannerTransplant rejectionAutoimmune diseasesMouse CMVAntigen presentationMost MHC class INontoxic dosesChymotrypsin-like activityClass ISelective proteasome inhibitor lactacystinApoptosis inductionMicroM lactacystinViral proteinsPresentationInhibitionComplete inhibitionLactacystinVivoProliferation
1999
Proteasome inhibition by the natural products epoxomicin and dihydroeponemycin: Insights into specificity and potency
Kim K, Myung J, Sin N, Crews C. Proteasome inhibition by the natural products epoxomicin and dihydroeponemycin: Insights into specificity and potency. Bioorganic & Medicinal Chemistry Letters 1999, 9: 3335-3340. PMID: 10612595, DOI: 10.1016/s0960-894x(99)00612-5.Peer-Reviewed Original ResearchTowards subunit-specific proteasome inhibitors: synthesis and evaluation of peptide α', β'-epoxyketones
Elofsson M, Splittgerber U, Myung J, Mohan R, Crews C. Towards subunit-specific proteasome inhibitors: synthesis and evaluation of peptide α', β'-epoxyketones. Cell Chemical Biology 1999, 6: 811-822. PMID: 10574782, DOI: 10.1016/s1074-5521(99)80128-8.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAortaCattleCell DivisionCells, CulturedChymotrypsinCysteine EndopeptidasesCysteine Proteinase InhibitorsDrug DesignEndothelium, VascularEpoxy CompoundsGlutamatesIndicators and ReagentsIrritantsKineticsMacromolecular SubstancesMiceMolecular ConformationMultienzyme ComplexesPeptidesProteasome Endopeptidase ComplexTrypsinConceptsCatalytic activityMolecular probesAcetylated peptidesExcellent selectivityPotent proteasome inhibitorVivo anti-inflammatory activityMost compoundsMajor catalytic activityChymotrypsin-like activityPeptide αAromatic amino acidsEpoxyketonesAminoP2-P4Multicatalytic protease complexPeptidesAnti-inflammatory activitySelectivityProbeLarge multicatalytic protease complexesProteasome inhibitorsAmino acidsSynthesisCompoundsComplexes
1992
Erks: their fifteen minutes has arrived.
Crews CM, Alessandrini A, Erikson RL. Erks: their fifteen minutes has arrived. Molecular Cancer Research 1992, 3: 135-42. PMID: 1504018.Peer-Reviewed Original ResearchConceptsProtein kinaseCell cycleYeast cellsTyrosine kinase signalsERK protein kinasesSea star oocytesSpecific transcriptional factorsAmino acid residuesSpecific differentiation eventsG0-G1 transitionExtracellular signalsKinase signalsPhosphorylation signalsSignal transductionTranscriptional changesS6 kinaseRaf-1Differentiation eventsMitogenic signalsYeast enzymeGene productsMicrotubule reorganizationDownstream targetsTranscriptional factorsEGF receptor