2022
Fibroblasts secrete fibronectin under lamellipodia in a microtubule- and myosin II–dependent fashion
Huet-Calderwood C, Rivera-Molina F, Toomre D, Calderwood D. Fibroblasts secrete fibronectin under lamellipodia in a microtubule- and myosin II–dependent fashion. Journal Of Cell Biology 2022, 222: e202204100. PMID: 36416725, PMCID: PMC9699186, DOI: 10.1083/jcb.202204100.Peer-Reviewed Original ResearchConceptsFN secretionFocal adhesion dynamicsExtracellular matrixFocal adhesion formationSites of exocytosisLive-cell microscopyIntegrin-independent mannerCytoskeletal dynamicsFocal adhesionsAdhesion dynamicsRegulatory componentsMyosin IIIntact microtubulesCell polarizationCell adhesionIntegrin receptorsFN depositionLamellipodiaMicrotubulesFibronectinAdhesion formationNew adhesion formationFibroblastsII-dependent fashionCells
2012
Nanopatterning reveals an ECM area threshold for focal adhesion assembly and force transmission that is regulated by integrin activation and cytoskeleton tension
Coyer SR, Singh A, Dumbauld DW, Calderwood DA, Craig SW, Delamarche E, García AJ. Nanopatterning reveals an ECM area threshold for focal adhesion assembly and force transmission that is regulated by integrin activation and cytoskeleton tension. Journal Of Cell Science 2012, 125: 5110-5123. PMID: 22899715, PMCID: PMC3533393, DOI: 10.1242/jcs.108035.Peer-Reviewed Original ResearchConceptsFocal adhesionsForce transductionFA assemblyCytoskeletal tensionExtracellular matrixIntegrin activationFocal adhesion assemblyVinculin head domainExpression of talinNon-migrating cellsVinculin mutantsCytoskeleton tensionAdhesion assemblyECM ligandsMyosin contractilityAdhesive areaStable assemblyIntracellular pathwaysTransductionAssemblyStructural linkPathwayStructural linkagesTraction forceCellsFunctional differences between kindlin-1 and kindlin-2 in keratinocytes
Bandyopadhyay A, Rothschild G, Kim S, Calderwood DA, Raghavan S. Functional differences between kindlin-1 and kindlin-2 in keratinocytes. Journal Of Cell Science 2012, 125: 2172-2184. PMID: 22328497, PMCID: PMC3367939, DOI: 10.1242/jcs.096214.Peer-Reviewed Original ResearchConceptsFocal adhesionsKindlin-2Kindlin-1Cell spreadingPeripheral focal adhesionsIntegrin β1Wild-type cellsUnexpected functional consequencesIntegrin β6Wild-type keratinocytesCytoplasmic tailNull keratinocytesKindlinNull cellsFunctional consequencesDirect interactionFunctional differencesUnique functionRelated integrinsIntegrinsCellsAdhesionKeratinocytesIntegrin αvβ6Knockdown
2011
Functional and Structural Insights into ASB2α, a Novel Regulator of Integrin-dependent Adhesion of Hematopoietic Cells*
Lamsoul I, Burande CF, Razinia Z, Houles TC, Menoret D, Baldassarre M, Erard M, Moog-Lutz C, Calderwood DA, Lutz PG. Functional and Structural Insights into ASB2α, a Novel Regulator of Integrin-dependent Adhesion of Hematopoietic Cells*. Journal Of Biological Chemistry 2011, 286: 30571-30581. PMID: 21737450, PMCID: PMC3162417, DOI: 10.1074/jbc.m111.220921.Peer-Reviewed Original ResearchMeSH KeywordsAdaptor Proteins, Signal TransducingAmino Acid MotifsAnimalsCarrier ProteinsCell AdhesionFibronectinsGene Expression RegulationHeLa CellsHematopoietic Stem CellsHumansIntegrinsMiceMusclesNIH 3T3 CellsProtein BindingProtein Structure, TertiarySubstrate SpecificitySuppressor of Cytokine Signaling ProteinsConceptsN-terminal regionHematopoietic cellsE3 ubiquitin ligase complexE3 ubiquitin ligase functionShort N-terminal regionUbiquitin ligase complexUbiquitin ligase functionAcid-responsive genesIntegrin-dependent adhesionRetinoic acid-responsive geneCell fateLigase complexSpecificity subunitLigase functionResponsive genesLeukemia cellsProteasomal degradationNovel regulatorFilamin A.Myogenic differentiationStructural insightsASB2αΒ-integrinAcute promyelocytic leukemia cellsStructural homology
2003
Talin Binding to Integrin ß Tails: A Final Common Step in Integrin Activation
Tadokoro S, Shattil SJ, Eto K, Tai V, Liddington RC, de Pereda J, Ginsberg MH, Calderwood DA. Talin Binding to Integrin ß Tails: A Final Common Step in Integrin Activation. Science 2003, 302: 103-106. PMID: 14526080, DOI: 10.1126/science.1086652.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAmino Acid SubstitutionAnimalsAntibodies, MonoclonalCell LineFibronectinsHumansIntegrin beta ChainsIntegrin beta1Integrin beta3Molecular Sequence DataMutationPlatelet Glycoprotein GPIIb-IIIa ComplexProtein BindingProtein ConformationProtein Structure, TertiaryRecombinant ProteinsRNA, Small InterferingSignal TransductionTalinTransfectionConceptsIntegrin activationCytoplasmic tailIntegrin betaCytoskeletal protein talinIntegrin extracellular domainCellular signaling cascadesIntegrin beta tailsNormal cell adhesionBinding of talinProtein talinBeta tailsSignaling cascadesIntegrin affinityConformational rearrangementsExtracellular domainFinal common stepTalinCell adhesionExtracellular matrixCommon stepSpecific bindingActivationBindingTailAffinity
2001
Increased filamin binding to β-integrin cytoplasmic domains inhibits cell migration
Calderwood D, Huttenlocher A, Kiosses W, Rose D, Woodside D, Schwartz M, Ginsberg M. Increased filamin binding to β-integrin cytoplasmic domains inhibits cell migration. Nature Cell Biology 2001, 3: 1060-1068. PMID: 11781567, DOI: 10.1038/ncb1201-1060.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SubstitutionAnimalsBinding SitesCell MovementCell PolarityCHO CellsContractile ProteinsCricetinaeCytoplasmCytoskeletonFibronectinsFilaminsFocal AdhesionsHumansIntegrin beta ChainsIntegrinsIsoleucineJurkat CellsMicrofilament ProteinsProtein Structure, TertiaryRecombinant Fusion ProteinsTalinValineConceptsFocal adhesion formationFilamin bindingCell migrationMembrane protrusionsMatrix assemblyIntegrin-dependent cell migrationFibronectin matrix assemblyAmino acid substitutionsInhibits cell migrationAnimal developmentActin cytoskeletonIntegrin tailsBiochemical signalsAdhesion receptorsFilaminCell polarizationTalinAcid substitutionsExtracellular matrixAdhesion formationTailBindingAssemblyMigrationSelective loss