2022
Integrin Conformational Dynamics and Mechanotransduction
Kolasangiani R, Bidone T, Schwartz M. Integrin Conformational Dynamics and Mechanotransduction. Cells 2022, 11: 3584. PMID: 36429013, PMCID: PMC9688440, DOI: 10.3390/cells11223584.Peer-Reviewed Original ResearchConceptsCell-cell adhesionCell-extracellular matrixExtracellular ligandsIntegrin affinityConformational dynamicsIntegrin familyConformational statesConformational transitionTissue integrityCell functionCentral mediatorRemarkable convergenceMechanical forcesForce transmissionCytoskeletonMechanotransductionAdhesionFirm adhesionUnanswered questionsIntegrinsNew informationPathwayLigands
2021
Integrin-based mechanosensing through conformational deformation
Driscoll TP, Bidone TC, Ahn SJ, Yu A, Groisman A, Voth GA, Schwartz MA. Integrin-based mechanosensing through conformational deformation. Biophysical Journal 2021, 120: 4349-4359. PMID: 34509509, PMCID: PMC8553792, DOI: 10.1016/j.bpj.2021.09.010.Peer-Reviewed Original ResearchConceptsCellular mechanosensingFocal adhesion kinase activationIntegrin conformational activationLarge-scale conformational transitionsWild-type integrinIntegrin mutantsEmbryonic developmentConformational activationCellular stiffnessHigh-affinity stateKinase activationSubstrate stiffnessBiological processesIntegrin activationCell spreadingMutantsIntegrin conformationTraction stressConformational deformationConformational transitionIntegrinsMechanosensingSoluble ligandsAffinity stateMolecular-level information
2016
Force regulated conformational change of integrin αVβ3
Chen Y, Lee H, Tong H, Schwartz M, Zhu C. Force regulated conformational change of integrin αVβ3. Matrix Biology 2016, 60: 70-85. PMID: 27423389, PMCID: PMC5237428, DOI: 10.1016/j.matbio.2016.07.002.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBiomechanical PhenomenaBiotinylationCell AdhesionCell LineEndothelial CellsErythrocytesExtracellular MatrixFibronectinsGene ExpressionGlassHumansIntegrin alphaVbeta3KineticsLungMiceMolecular ProbesPoint MutationProtein BindingProtein ConformationSignal TransductionSingle Molecule ImagingConceptsConformational changesTransduce signalsSingle-molecule levelIntegrin functionBiomembrane force probeMolecular machinesPhysiological functionsCell adhesionCell surfaceExtracellular matrixPoint mutationsConformational transitionIntegrinsEssential roleTumor metastasisExtended conformationConformationDynamic equilibriumEctodomainMutationsForce probePhagocytosisMembraneAngiogenesisFunction