2010
Measuring mechanical tension across vinculin reveals regulation of focal adhesion dynamics
Grashoff C, Hoffman BD, Brenner MD, Zhou R, Parsons M, Yang MT, McLean MA, Sligar SG, Chen CS, Ha T, Schwartz MA. Measuring mechanical tension across vinculin reveals regulation of focal adhesion dynamics. Nature 2010, 466: 263-266. PMID: 20613844, PMCID: PMC2901888, DOI: 10.1038/nature09198.Peer-Reviewed Original ResearchConceptsFocal adhesionsFocal adhesion dynamicsMembrane cytoskeletal proteinsAdhesion dynamicsCell adhesion moleculeRegulatory mechanismsSpecific proteinsActin filamentsCell adhesionVinculinProteinMechanical tensionMechanical forcesRegulationPhysical forcesMolecular forcesAdhesionCellsVivoMechanotransductionPhysiologyNew biosensorFilamentsAbilityMigration
2002
Activation of Rac1 by shear stress in endothelial cells mediates both cytoskeletal reorganization and effects on gene expression
Tzima E, Del Pozo MA, Kiosses WB, Mohamed SA, Li S, Chien S, Schwartz MA. Activation of Rac1 by shear stress in endothelial cells mediates both cytoskeletal reorganization and effects on gene expression. The EMBO Journal 2002, 21: 6791-6800. PMID: 12486000, PMCID: PMC139108, DOI: 10.1093/emboj/cdf688.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCattleCell AdhesionCells, CulturedCytoskeletonDimerizationEnergy TransferEnzyme ActivationGene Expression RegulationGenes, DominantGreen Fluorescent ProteinsGTP PhosphohydrolasesIntercellular Adhesion Molecule-1LeukocytesLuciferasesLuminescent ProteinsMicroscopy, FluorescenceNF-kappa BPlasmidsProtein TransportRac GTP-Binding ProteinsRac1 GTP-Binding ProteinSpectrometry, FluorescenceStress, MechanicalTime FactorsTransfectionConceptsGene expressionFluorescence resonance energy transferSmall GTPase RacActivation of Rac1Endothelial cellsFocal adhesionsCytoskeletal organizationCytoskeletal reorganizationGTPase RacRac1 activationAdhesion receptorsResonance energy transferExtracellular matrixNuclear factor-kappaBNew integrinRac1Hemodynamic shear stressSubsequent expressionFactor-kappaBCell alignmentExpressionUnifying modelHemodynamic forcesCell adhesion molecule-1Cells
2000
Localized Rac Activation Dynamics Visualized in Living Cells
Kraynov V, Chamberlain C, Bokoch G, Schwartz M, Slabaugh S, Hahn K. Localized Rac Activation Dynamics Visualized in Living Cells. Science 2000, 290: 333-337. PMID: 11030651, DOI: 10.1126/science.290.5490.333.Peer-Reviewed Original ResearchConceptsSmall guanosine triphosphatasesSpatio-temporal controlMembrane rufflesGuanosine triphosphatasesSubcellular localizationNucleotide stateRac activationProtein activityDownstream targetsMotile cellsLiving cellsSpatial controlSpatio-temporal dynamicsGradient of activationCellsActivation dynamicsActivationRufflesTriphosphatasesPrecise spatial controlProteinRacLeading edgeApplicable approachLocalized effect