2019
MKL1-actin pathway restricts chromatin accessibility and prevents mature pluripotency activation
Hu X, Liu ZZ, Chen X, Schulz VP, Kumar A, Hartman AA, Weinstein J, Johnston JF, Rodriguez EC, Eastman AE, Cheng J, Min L, Zhong M, Carroll C, Gallagher PG, Lu J, Schwartz M, King MC, Krause DS, Guo S. MKL1-actin pathway restricts chromatin accessibility and prevents mature pluripotency activation. Nature Communications 2019, 10: 1695. PMID: 30979898, PMCID: PMC6461646, DOI: 10.1038/s41467-019-09636-6.Peer-Reviewed Original ResearchConceptsCell fate reprogrammingChromatin accessibilityActin cytoskeletonSomatic cell reprogrammingPluripotency transcription factorsGlobal chromatin accessibilityGenomic accessibilityCytoskeleton (LINC) complexCell reprogrammingCytoskeletal genesTranscription factorsReprogrammingPluripotencyChromatinCytoskeletonMKL1Unappreciated aspectPathwayNuclear volumeNucleoskeletonSUN2CellsActivationGenesExpressionMicroRNA-dependent regulation of biomechanical genes establishes tissue stiffness homeostasis
Moro A, Driscoll TP, Boraas LC, Armero W, Kasper DM, Baeyens N, Jouy C, Mallikarjun V, Swift J, Ahn SJ, Lee D, Zhang J, Gu M, Gerstein M, Schwartz M, Nicoli S. MicroRNA-dependent regulation of biomechanical genes establishes tissue stiffness homeostasis. Nature Cell Biology 2019, 21: 348-358. PMID: 30742093, PMCID: PMC6528464, DOI: 10.1038/s41556-019-0272-y.Peer-Reviewed Original ResearchConceptsArgonaute 2MicroRNA-dependent regulationMechanical homeostasisMicroRNA recognition elementsExtracellular matrix proteinsZebrafish finsMicroRNA familiesTarget mRNAsVertebrate tissuesHyper-contractile phenotypesRegulatory pathwaysUntranslated regionRecognition elementMatrix proteinsComprehensive identificationCaM mRNAConnective tissue growth factorExtracellular matrix depositionHomeostasisTissue growth factorMRNAFibroblast cellsMicroRNAsGrowth factorSoft substrates
2018
Vinculin and the mechanical response of adherent fibroblasts to matrix deformation
Rosowski KA, Boltyanskiy R, Xiang Y, Van den Dries K, Schwartz MA, Dufresne ER. Vinculin and the mechanical response of adherent fibroblasts to matrix deformation. Scientific Reports 2018, 8: 17967. PMID: 30568231, PMCID: PMC6299284, DOI: 10.1038/s41598-018-36272-9.Peer-Reviewed Original ResearchConceptsFocal adhesion protein vinculinAdhesion protein vinculinExtracellular matrix stiffnessIntegrin-mediated adhesionTraction forceProtein vinculinMechanical cuesCellular forcesMatrix stiffnessAdherent fibroblastsECM deformationMouse fibroblastsTraction stressMatrix deformationMechanical responseVinculinMechanical energyApparent stiffnessDeformationFibroblastsStiffnessCellsStretchForceExpression
2016
Ral-Arf6 crosstalk regulates Ral dependent exocyst trafficking and anchorage independent growth signalling
Pawar A, Meier JA, Dasgupta A, Diwanji N, Deshpande N, Saxena K, Buwa N, Inchanalkar S, Schwartz MA, Balasubramanian N. Ral-Arf6 crosstalk regulates Ral dependent exocyst trafficking and anchorage independent growth signalling. Cellular Signalling 2016, 28: 1225-1236. PMID: 27269287, PMCID: PMC4973806, DOI: 10.1016/j.cellsig.2016.05.023.Peer-Reviewed Original ResearchMeSH KeywordsADP-Ribosylation Factor 6ADP-Ribosylation FactorsAnimalsCell AdhesionCell Line, TumorCell ProliferationCell Transformation, NeoplasticEmbryo, MammalianExocytosisExtracellular Signal-Regulated MAP KinasesFibroblastsHumansMembrane MicrodomainsMiceProtein TransportRal GTP-Binding ProteinsSignal TransductionConceptsARF6 activationRegulatory crosstalkActive RalIntegrin-dependent regulationOncogenic H-RasIndependent growthIntegrin-dependent activationAdhesion-dependent pathwayKey downstream mediatorSmall GTPase RalActive RalABladder cancer T24 cellsDependent traffickingRal functionIsoforms functionRaft microdomainsOncogenic RasPlasma membraneDependent regulationH-RasArf6Dependent activationDependent pathwayDownstream mediatorVital mediators
2014
Up-regulation of Thrombospondin-2 in Akt1-null Mice Contributes to Compromised Tissue Repair Due to Abnormalities in Fibroblast Function*
Bancroft T, Bouaouina M, Roberts S, Lee M, Calderwood DA, Schwartz M, Simons M, Sessa WC, Kyriakides TR. Up-regulation of Thrombospondin-2 in Akt1-null Mice Contributes to Compromised Tissue Repair Due to Abnormalities in Fibroblast Function*. Journal Of Biological Chemistry 2014, 290: 409-422. PMID: 25389299, PMCID: PMC4281743, DOI: 10.1074/jbc.m114.618421.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCell MovementFibroblastsGene Expression RegulationGenetic Complementation TestIntegrin beta1MiceMice, KnockoutNeuropeptidesNitric Oxide Synthase Type IIIPrimary Cell CultureProto-Oncogene Proteins c-aktRac1 GTP-Binding ProteinRNA, Small InterferingSignal TransductionSkinThrombospondinsWound HealingWounds, Nonpenetrating
2013
N-cadherin regulates spatially polarized signals through distinct p120ctn and β-catenin-dependent signalling pathways
Ouyang M, Lu S, Kim T, Chen CE, Seong J, Leckband DE, Wang F, Reynolds AB, Schwartz MA, Wang Y. N-cadherin regulates spatially polarized signals through distinct p120ctn and β-catenin-dependent signalling pathways. Nature Communications 2013, 4: 1589. PMID: 23481397, PMCID: PMC3602931, DOI: 10.1038/ncomms2560.Peer-Reviewed Original ResearchMeSH KeywordsActin CytoskeletonAnimalsBeta CateninCadherinsCateninsCell PolarityChickensCHO CellsCricetinaeDelta CateninEmbryo, MammalianFibroblastsFluorescent DyesIntegrinsIntercellular JunctionsMiceModels, BiologicalPhosphatidylinositol 3-KinasesProtein BindingRac GTP-Binding ProteinsRatsRecombinant Fusion ProteinsRNA, Small InterferingSignal TransductionConceptsMyosin II light chainRac activityActin filamentsSmall GTPase RacΒ-catenin-dependent signaling pathwaysHigher phosphoinositidesCellular functionsGTPase RacDistinct effectorsMolecular signalsSignaling pathwaysMolecular activityLight chainNeighbouring cellsN-cadherinPhosphoinositideIntercellular junctionsIntegrin α5RacCellsComplexesFilamentsP120ctnSpatial distributionEffectors
2008
Endogenous RhoG is dispensable for integrin-mediated cell spreading but contributes to Rac-independent migration
Meller J, Vidali L, Schwartz MA. Endogenous RhoG is dispensable for integrin-mediated cell spreading but contributes to Rac-independent migration. Journal Of Cell Science 2008, 121: 1981-1989. PMID: 18505794, PMCID: PMC2759683, DOI: 10.1242/jcs.025130.Peer-Reviewed Original Research
2007
Arf6 and microtubules in adhesion-dependent trafficking of lipid rafts
Balasubramanian N, Scott DW, Castle JD, Casanova JE, Schwartz MA. Arf6 and microtubules in adhesion-dependent trafficking of lipid rafts. Nature Cell Biology 2007, 9: 1381-1391. PMID: 18026091, PMCID: PMC2715295, DOI: 10.1038/ncb1657.Peer-Reviewed Original ResearchConceptsPlasma membraneLipid raftsAnchorage-dependent signalingArf6-dependent mannerCaveolin-dependent internalizationSmall GTPase Arf6Microtubule-dependent traffickingIntegrin-mediated adhesionRecycling endosomesGTPase Arf6Membrane raftsDetachment of cellsCell spreadingF-actinRaftsArf6MicrotubulesEndosomesRac1TraffickingMembraneCellsEndocytosisSignalingPathway
2006
Integrin-mediated adhesion regulates membrane order
Gaus K, Le Lay S, Balasubramanian N, Schwartz MA. Integrin-mediated adhesion regulates membrane order. Journal Of Cell Biology 2006, 174: 725-734. PMID: 16943184, PMCID: PMC2064315, DOI: 10.1083/jcb.200603034.Peer-Reviewed Original ResearchConceptsFocal adhesionsMembrane orderCholesterol-dependent domainsSpecific protein complexesLipid raft propertiesIntegrin-mediated adhesionFluorescent probe LaurdanProtein complexesRaft componentsDetachment of cellsRaft propertiesCell adhesionCell membraneSubunit BProbe LaurdanCaveolinCaveolaeAdhesionDomainImportant consequencesTyr14Caveolin1PhosphorylationTraffickingTwo-photon microscopy
2002
Integrins regulate the apoptotic response to DNA damage through modulation of p53
Lewis JM, Truong TN, Schwartz MA. Integrins regulate the apoptotic response to DNA damage through modulation of p53. Proceedings Of The National Academy Of Sciences Of The United States Of America 2002, 99: 3627-3632. PMID: 11904424, PMCID: PMC122574, DOI: 10.1073/pnas.062698499.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntibodiesApoptosisCaspase 3CaspasesCell AdhesionCell SurvivalChromosome AberrationsCyclin-Dependent Kinase Inhibitor p16DNA DamageFibroblastsHumansIntegrinsMelanomaMiceMutationNuclear ProteinsOrgan SpecificityProto-Oncogene ProteinsProto-Oncogene Proteins c-mdm2Radiation, IonizingSarcomaTumor Cells, CulturedTumor Suppressor Protein p14ARFTumor Suppressor Protein p53ConceptsTumor cellsTherapy-resistant tumorsModulation of p53Susceptible tumor cellsDNA damageLevels of p53Low p53 levelsApoptosis of cellsTherapy resistanceAntiintegrin antibodiesCancer cellsP53 levelsSurvival of cellsP53Nonadherent cellsCell typesSurvivalApoptotic responseCellsP19 ARFApoptosisChromosomal instabilityFibroblastic cell typesDamageChemotherapy
2001
c-Abl Tyrosine Kinase Binds and Phosphorylates Phospholipid Scramblase 1*
Sun J, Zhao J, Schwartz M, Wang J, Wiedmer T, Sims P. c-Abl Tyrosine Kinase Binds and Phosphorylates Phospholipid Scramblase 1*. Journal Of Biological Chemistry 2001, 276: 28984-28990. PMID: 11390389, DOI: 10.1074/jbc.m102505200.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAmino Acid SubstitutionAnimalsBinding SitesCarrier ProteinsCell LineCells, CulturedFibroblastsGenes, ablGlutathione TransferaseHumansMembrane ProteinsMiceMice, KnockoutMutagenesis, Site-DirectedPhospholipid Transfer ProteinsPhospholipidsPhosphorylationProtein BindingProto-Oncogene Proteins c-ablRecombinant Fusion ProteinsRepetitive Sequences, Amino AcidSrc Homology DomainsTransfectionTyrosineConceptsPhospholipid scramblase 1SH3 domainC-AblAbl SH3 domainTyr phosphorylationMultiple proline-rich motifsScramblase 1Plasma membrane proteinsC-Abl bindsProline-rich motifDomain-binding siteProline-rich segmentDNA-damaging agent cisplatinC-Abl kinasePlasma membrane phospholipidsTandem repeat sequencesMutation of TyrCell linesCisplatin-induced phosphorylationKinase bindsGenotoxic stressMembrane proteinsDifferent SH3 domainsTransbilayer movementRepeat sequences
2000
Cell Adhesion Regulates Ubiquitin-mediated Degradation of the Platelet-derived Growth Factor Receptor β*
Baron V, Schwartz M. Cell Adhesion Regulates Ubiquitin-mediated Degradation of the Platelet-derived Growth Factor Receptor β*. Journal Of Biological Chemistry 2000, 275: 39318-39323. PMID: 11007771, DOI: 10.1074/jbc.m003618200.Peer-Reviewed Original ResearchMeSH KeywordsAdenoviridaeAnimalsBlotting, WesternCell AdhesionCell DivisionCell LineCells, CulturedCysteine EndopeptidasesDose-Response Relationship, DrugDown-RegulationDynaminsEmbryo, MammalianEnzyme InhibitorsFibroblastsFibronectinsGTP PhosphohydrolasesHumansLigandsLysosomesMiceMultienzyme ComplexesPhosphorylationProteasome Endopeptidase ComplexProtein-Tyrosine KinasesReceptors, Platelet-Derived Growth FactorTemperatureTime FactorsTrypsinTyrphostinsUbiquitinsConceptsUbiquitin-dependent pathwayIntegrin-mediated adhesionPlatelet-derived growth factor receptor βPlatelet-derived growth factor receptor betaTyrosine kinase activityGrowth factor receptor βGrowth factor receptor betaProteasome pathwayDetachment of cellsReceptor autophosphorylationKinase activityCellular desensitizationPrimary fibroblastsExtracellular matrixCell detachmentAutophosphorylationProtein levelsCell linesPDGFGrowth factorReceptor betaReceptor βCellsPathwayRecent studiesFocal adhesion kinase suppresses Rho activity to promote focal adhesion turnover
Ren X, Kiosses W, Sieg D, Otey C, Schlaepfer D, Schwartz M. Focal adhesion kinase suppresses Rho activity to promote focal adhesion turnover. Journal Of Cell Science 2000, 113: 3673-3678. PMID: 11017882, DOI: 10.1242/jcs.113.20.3673.Peer-Reviewed Original Research
1999
Focal Adhesion Kinase Mediates the Integrin Signaling Requirement for Growth Factor Activation of Map Kinase
Renshaw M, Price L, Schwartz M. Focal Adhesion Kinase Mediates the Integrin Signaling Requirement for Growth Factor Activation of Map Kinase. Journal Of Cell Biology 1999, 147: 611-618. PMID: 10545504, PMCID: PMC2151196, DOI: 10.1083/jcb.147.3.611.Peer-Reviewed Original Research3T3 CellsAnimalsCell AdhesionCell Adhesion MoleculesCell DivisionCell Line, TransformedCell Transformation, NeoplasticEnzyme ActivationFibroblastsFocal Adhesion Kinase 1Focal Adhesion Protein-Tyrosine KinasesGene DeletionGenes, DominantGrowth SubstancesIntegrin beta1MiceMitogen-Activated Protein Kinase 1Oncogene Protein pp60(v-src)Protein-Tyrosine KinasesRas ProteinsRecombinant Fusion ProteinsSignal TransductionTransfection
1994
The small GTP-binding protein Rho regulates a phosphatidylinositol 4-phosphate 5-kinase in mammalian cells
Chong L, Traynor-Kaplan A, Bokoch G, Schwartz M. The small GTP-binding protein Rho regulates a phosphatidylinositol 4-phosphate 5-kinase in mammalian cells. Cell 1994, 79: 507-513. PMID: 7954816, DOI: 10.1016/0092-8674(94)90259-3.Peer-Reviewed Original ResearchMeSH KeywordsADP Ribose TransferasesAnimalsBotulinum ToxinsCalciumCell AdhesionCells, CulturedDrosophila ProteinsFibroblastsGTP-Binding ProteinsGuanosine 5'-O-(3-Thiotriphosphate)IntegrinsLovastatinMembrane ProteinsMiceMicroinjectionsPhosphatidylinositol 4,5-DiphosphatePhosphatidylinositol PhosphatesPhosphotransferases (Alcohol Group Acceptor)Platelet-Derived Growth FactorRecombinant ProteinsSignal TransductionThrombinConceptsPlatelet-derived growth factorBotulinum C3 exoenzymeSmall GTPPIP2 synthesisC3 exoenzymePIP2 hydrolysisProduction of phosphatidylinositolIntegrin-mediated adhesionEffects of RhoTreatment of cellsCalcium mobilizationActin cytoskeletonDiminished calcium mobilizationMammalian cellsProtein RhoPIP2 levelsCell lysatesGTP gamma SGTPRhoPhosphatidylinositolExoenzymeGamma SGrowth factorNonadherent cells
1993
Adhesion to fibronectin stimulates inositol lipid synthesis and enhances PDGF-induced inositol lipid breakdown.
McNamee H, Ingber D, Schwartz M. Adhesion to fibronectin stimulates inositol lipid synthesis and enhances PDGF-induced inositol lipid breakdown. Journal Of Cell Biology 1993, 121: 673-678. PMID: 8387531, PMCID: PMC2119575, DOI: 10.1083/jcb.121.3.673.Peer-Reviewed Original Research