2024
DNA-Based Molecular Clamp for Probing Protein Interactions and Structure under Force
Chung M, Zhou K, Powell J, Lin C, Schwartz M. DNA-Based Molecular Clamp for Probing Protein Interactions and Structure under Force. ACS Nano 2024, 18: 27590-27596. PMID: 39344156, PMCID: PMC11518680, DOI: 10.1021/acsnano.4c08663.Peer-Reviewed Original ResearchConceptsTalin rod domainNegative-stain electron microscopyDouble-stranded DNADNA clampProtein functionRod domainCryptic sitesProtein interactionsMolecular clampCellular mechanotransductionStudy proteinsBiochemical studiesCell biologyAdult physiologyProtein conformationTalinProteinBiochemical scaleMultiple diseasesDNAARPC5LVinculinStructural analysisEmbryogenesisDNA-based devices
2020
Actin flow-dependent and -independent force transmission through integrins
Driscoll TP, Ahn SJ, Huang B, Kumar A, Schwartz MA. Actin flow-dependent and -independent force transmission through integrins. Proceedings Of The National Academy Of Sciences Of The United States Of America 2020, 117: 32413-32422. PMID: 33262280, PMCID: PMC7768777, DOI: 10.1073/pnas.2010292117.Peer-Reviewed Original ResearchConceptsActin binding siteProtein interactionsDistinct protein interactionsDynamic protein interactionsIntegrin-dependent adhesionBinding sitesSubstrate stiffnessActin flowActin filamentsStiff substratesExtracellular matrixTalinVinculinIntegrinsReciprocal exchangeClutchesForce transmissionAdhesionFlow-independent mechanismsLarge adhesionABS3Cell edgeABS2SitesInteraction
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
2017
Vinculin is required to maintain glomerular barrier integrity
Lausecker F, Tian X, Inoue K, Wang Z, Pedigo CE, Hassan H, Liu C, Zimmer M, Jinno S, Huckle AL, Hamidi H, Ross RS, Zent R, Ballestrem C, Lennon R, Ishibe S. Vinculin is required to maintain glomerular barrier integrity. Kidney International 2017, 93: 643-655. PMID: 29241625, PMCID: PMC5846847, DOI: 10.1016/j.kint.2017.09.021.Peer-Reviewed Original ResearchMeSH KeywordsAlbuminuriaAnimalsCell MovementCell Surface ExtensionsCells, CulturedFocal Adhesion Kinase 1Focal AdhesionsGlomerulonephritis, MembranousGlomerulosclerosis, Focal SegmentalMechanotransduction, CellularMice, Inbred C57BLMice, KnockoutNephrosis, LipoidPhosphorylationPodocytesVinculinZonula Occludens-1 ProteinConceptsIntegrin-mediated cell-matrix adhesionIntercellular junctionsRole of vinculinCell-matrix adhesionFocal adhesion sizeCell-matrix interactionsGlomerular filtration barrierPodocyte-specific knockout miceLocalization of vinculinFiltration barrierCytoplasmic proteinsAdhesion sizeCell protrusionsVinculinActin filamentsPodocyte foot processesCell migrationProtein zonula occludens-1Expression levelsPrimary podocytesMutant miceZonula occludens-1Knockout miceFoot process effacementDramatic differences
2016
Talin tension sensor reveals novel features of focal adhesion force transmission and mechanosensitivity
Kumar A, Ouyang M, Van den Dries K, McGhee EJ, Tanaka K, Anderson MD, Groisman A, Goult BT, Anderson KI, Schwartz MA. Talin tension sensor reveals novel features of focal adhesion force transmission and mechanosensitivity. Journal Of Cell Biology 2016, 213: 371-383. PMID: 27161398, PMCID: PMC4862330, DOI: 10.1083/jcb.201510012.Peer-Reviewed Original ResearchConceptsTalin tension sensorFar C-terminusIntegrin-dependent adhesionPeripheral adhesionsTension sensorFocal adhesionsCellular mechanosensingMechanosensitive structuresTalin functionC-terminusDistinct functionsRod domainStiffness sensingTalinVinculinActin filamentsABS3Site 2Soft substratesAdhesionForce transmissionMechanosensingNew lightTerminus
2015
Metavinculin Tunes the Flexibility and the Architecture of Vinculin-Induced Bundles of Actin Filaments
Durer Z, McGillivary RM, Kang H, Elam WA, Vizcarra CL, Hanein D, De La Cruz EM, Reisler E, Quinlan ME. Metavinculin Tunes the Flexibility and the Architecture of Vinculin-Induced Bundles of Actin Filaments. Journal Of Molecular Biology 2015, 427: 2782-2798. PMID: 26168869, PMCID: PMC4540644, DOI: 10.1016/j.jmb.2015.07.005.Peer-Reviewed Original ResearchConceptsMetavinculin tail domainVinculin tail domainActin filamentsTail domainSevering activityCell-extracellular matrix junctionsF-actinC-terminal tail domainTotal internal reflection fluorescence microscopy experimentsLonger splice isoformsLimited proteolysis experimentsActin filament bundlesFluorescence microscopy experimentsMatrix junctionsSite-directed labelingSplice isoformsAbundant proteinsProteolysis experimentsMuscle cell functionFilament organizationVinculinFilament bundlesInterprotomer contactsCell functionFilament flexibility
2014
Tension-Sensitive Actin Assembly Supports Contractility at the Epithelial Zonula Adherens
Leerberg JM, Gomez GA, Verma S, Moussa EJ, Wu SK, Priya R, Hoffman BD, Grashoff C, Schwartz MA, Yap AS. Tension-Sensitive Actin Assembly Supports Contractility at the Epithelial Zonula Adherens. Current Biology 2014, 24: 1689-1699. PMID: 25065757, PMCID: PMC5103636, DOI: 10.1016/j.cub.2014.06.028.Peer-Reviewed Original ResearchConceptsMena/VASPActin assemblyEpithelial zonula adherensZonula adherensMyosin II activationActin filament turnoverCadherin junctionsActomyosin apparatusVASP proteinsActin scaffoldFilament turnoverActin filamentsJunctional integrityVinculinPhysical interactionTissue integrityActomyosin systemEpithelial cellsAdherensAssemblyContractile apparatusRegulationVASPEffective contractilityUnderlying mechanism
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
1999
Controversies at the cytoplasmic face of the cadherin-based adhesion complex
Provost E, Rimm D. Controversies at the cytoplasmic face of the cadherin-based adhesion complex. Current Opinion In Cell Biology 1999, 11: 567-572. PMID: 10508647, DOI: 10.1016/s0955-0674(99)00015-0.Peer-Reviewed Original ResearchMeSH Keywordsalpha CateninAnimalsArmadillo Domain Proteinsbeta CateninCadherinsCalciumCateninsCell AdhesionCell Adhesion MoleculesCytoplasmCytoskeletal ProteinsDelta CateninDimerizationDrosophila ProteinsHumansInsect ProteinsMacromolecular SubstancesMultigene FamilyPhosphoproteinsPhosphorylationProtein BindingProtein Processing, Post-TranslationalProtein Structure, TertiarySpectrinTrans-ActivatorsVinculin
1997
Vinculin Is Associated with the E-cadherin Adhesion Complex*
Hazan R, Kang L, Roe S, Borgen P, Rimm D. Vinculin Is Associated with the E-cadherin Adhesion Complex*. Journal Of Biological Chemistry 1997, 272: 32448-32453. PMID: 9405455, DOI: 10.1074/jbc.272.51.32448.Peer-Reviewed Original ResearchConceptsE-cadherin complexAdhesion complexesMDA-MB-468 cellsCalcium-dependent cell-cell adhesionE-cadherin adhesion complexAlpha-catenin geneCadherin-dependent adhesionCell-cell adhesionCell adhesion complexesE-cadherinCell linesAlpha-catenin expressionAlpha cateninReciprocal immunoprecipitationCytoplasmic interactionsCoprecipitation analysisAnti-vinculin antibodiesVinculinCadherinCytoplasmic connectionsFusion proteinE-cadherin expressionSame binding siteMDA-MB-468 breast cancer cell lineCell lysates
1994
Molecular Cloning Reveals Alternative Splice Forms of Human α(E)-Catenin
Rimm DL, Kebriaei P, Morrow JS. Molecular Cloning Reveals Alternative Splice Forms of Human α(E)-Catenin. Biochemical And Biophysical Research Communications 1994, 203: 1691-1699. PMID: 7945318, DOI: 10.1006/bbrc.1994.2381.Peer-Reviewed Original ResearchMeSH Keywordsalpha CateninAlternative SplicingAmino Acid SequenceAnimalsBase SequenceCadherinsCell LineChickensCloning, MolecularConserved SequenceCytoskeletal ProteinsDNA, ComplementaryDrosophilaHominidaeHumansMiceMolecular Sequence DataPhylogenyPolymerase Chain ReactionRNA, MessengerSequence Homology, Amino AcidTranscription, GeneticConceptsCadherin cell-cell adhesion complexCell-cell adhesion complexAmino acid proteinAlternative splice formsSuperfamily of proteinsAmino acid insertionTranscription sitesAdhesion complexesCytoplasmic domainDistinct transcriptsMolecular cloningSingle geneAcid proteinSplice formsAcid insertionSecond transcriptCatenin geneSplice siteNon-epithelial tissuesVinculinTranscriptsCateninHuman alphaSouthern blottingProtein
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