2023
Intracellular tension sensor reveals mechanical anisotropy of the actin cytoskeleton
Amiri S, Muresan C, Shang X, Huet-Calderwood C, Schwartz M, Calderwood D, Murrell M. Intracellular tension sensor reveals mechanical anisotropy of the actin cytoskeleton. Nature Communications 2023, 14: 8011. PMID: 38049429, PMCID: PMC10695988, DOI: 10.1038/s41467-023-43612-5.Peer-Reviewed Original ResearchConceptsF-actin architectureStress fibersCortical actinActin cytoskeletonMolecular tension sensorsF-actin stress fibersF-actin cytoskeletonFilamentous actin cytoskeletonMechanical forcesTension sensorCell divisionCytoskeletonCell migrationExtracellular matrixMyosin inhibitionActinDirection of stretchCellsCell axisUniaxial stretchStretchFRETUse of Ecto-Tagged Integrins to Monitor Integrin Exocytosis and Endocytosis
Huet-Calderwood C, Rivera-Molina F, Toomre D, Calderwood D. Use of Ecto-Tagged Integrins to Monitor Integrin Exocytosis and Endocytosis. Methods In Molecular Biology 2023, 2608: 17-38. PMID: 36653699, PMCID: PMC9999384, DOI: 10.1007/978-1-0716-2887-4_2.ChaptersConceptsΒ1 integrinTotal internal reflection fluorescence microscopyNormal cell adhesionIntegrin adhesion receptorsReflection fluorescence microscopyAdhesion receptorsCell adhesionEndocytosisFluorescence microscopyExocytosisIntegrinsCellsHaloTagPHluorinIntracellular labelingEctoPhotobleachingTagsReceptorsChaseFluorescentAdhesionLabelingMigration
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
2020
Differences in self-association between kindlin-2 and kindlin-3 are associated with differential integrin binding
Kadry YA, Maisuria EM, Huet-Calderwood C, Calderwood DA. Differences in self-association between kindlin-2 and kindlin-3 are associated with differential integrin binding. Journal Of Biological Chemistry 2020, 295: 11161-11173. PMID: 32546480, PMCID: PMC7415974, DOI: 10.1074/jbc.ra120.013618.Peer-Reviewed Original ResearchConceptsKindlin-3Kindlin-2Focal adhesionsIntegrin cytoplasmic domainTransmembrane adhesion receptorsComparative sequence analysisLive-cell imagingAbility of cellsCytoplasmic domainF3 subdomainsMammalian cellsCytoplasmic componentsExtracellular environmentAdhesion receptorsKindlinSequence analysisIntegrin familySelf-associationIntegrin bindingPhysiological importanceMolecular levelPoint mutationsProteinCellsAdhesion
2017
Novel ecto-tagged integrins reveal their trafficking in live cells
Huet-Calderwood C, Rivera-Molina F, Iwamoto DV, Kromann EB, Toomre D, Calderwood DA. Novel ecto-tagged integrins reveal their trafficking in live cells. Nature Communications 2017, 8: 570. PMID: 28924207, PMCID: PMC5603536, DOI: 10.1038/s41467-017-00646-w.Peer-Reviewed Original ResearchConceptsIntegrin functionΒ1 integrinLive cellsCell surface adhesion receptorsHeterodimeric cell-surface adhesion receptorsIntegrin endocytosisMulticellular organismsNovel powerful toolFocal adhesionsKnockout fibroblastsIntegrin activationAdhesion receptorsExtracellular loopIntegrinsTraffickingMajor mysteriesCellsTagsAdhesionHaloTagEndocytosisPowerful toolExocytosisOrganismsVesicles
2014
Integrin Cytoplasmic Tail Interactions
Morse EM, Brahme NN, Calderwood DA. Integrin Cytoplasmic Tail Interactions. Biochemistry 2014, 53: 810-820. PMID: 24467163, PMCID: PMC3985435, DOI: 10.1021/bi401596q.Peer-Reviewed Original ResearchConceptsIntegrin-interacting proteinsIntegrin cytoplasmic tailsCell surface adhesion receptorsIntegrin-binding proteinsHeterodimeric cell-surface adhesion receptorsSurface adhesion receptorsExtracellular ligandsMulticellular lifeCytoplasmic tailIntegrin engagementCell motilityExtracellular environmentTransduce chemicalIntegrin activityIntegrin localizationIntracellular proteinsAdhesion receptorsTail interactionsMechanical signalsProteinIntegrinsCellsCytoskeletonLocalizationTrafficking
2012
Functional 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 αvβ6KnockdownNanopatterning 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 forceCells
2009
Filamins Regulate Cell Spreading and Initiation of Cell Migration
Baldassarre M, Razinia Z, Burande CF, Lamsoul I, Lutz PG, Calderwood DA. Filamins Regulate Cell Spreading and Initiation of Cell Migration. PLOS ONE 2009, 4: e7830. PMID: 19915675, PMCID: PMC2773003, DOI: 10.1371/journal.pone.0007830.Peer-Reviewed Original ResearchConceptsCell spreadingLarge actin-binding proteinCell biological analysesCell migrationActin-binding proteinsLoss of FlnAShRNA-mediated knockdownInitiation of migrationInhibition of initiationRecent knockout studiesProteasomal degradationKnockdown cellsInitiation of motilityKnockout studiesFilaminSingle knockoutImpairs migrationFLNAFLNBBiological analysisKnockdownProteinObserved defectsCellsPeriventricular heterotopiaFilamin A–β1 Integrin Complex Tunes Epithelial Cell Response to Matrix Tension
Gehler S, Baldassarre M, Lad Y, Leight JL, Wozniak MA, Riching KM, Eliceiri KW, Weaver VM, Calderwood DA, Keely PJ. Filamin A–β1 Integrin Complex Tunes Epithelial Cell Response to Matrix Tension. Molecular Biology Of The Cell 2009, 20: 3224-3238. PMID: 19458194, PMCID: PMC2710838, DOI: 10.1091/mbc.e08-12-1186.Peer-Reviewed Original ResearchConceptsFilamin AExtracellular matrixProtein filamin AHigh-density gelsMatrix tensionCollagen gelsMechanosensitive complexBreast epithelial cellsCellular contractilityMatrix stiffnessMorphogenesisEpithelial cell responsesCell typesDuctal morphogenesisEpithelial cellsCellsCollagen matrixGel contractionActinCollagen remodelingIntegrinsCell responsesCollagen fibrilsRemodelingGelThe Role of FilGAP-Filamin A Interactions in Mechanoprotection
Shifrin Y, Arora PD, Ohta Y, Calderwood DA, McCulloch CA. The Role of FilGAP-Filamin A Interactions in Mechanoprotection. Molecular Biology Of The Cell 2009, 20: 1269-1279. PMID: 19144823, PMCID: PMC2649276, DOI: 10.1091/mbc.e08-08-0872.Peer-Reviewed Original Research
2008
JAM-L–mediated leukocyte adhesion to endothelial cells is regulated in cis by α4β1 integrin activation
Luissint AC, Lutz PG, Calderwood DA, Couraud PO, Bourdoulous S. JAM-L–mediated leukocyte adhesion to endothelial cells is regulated in cis by α4β1 integrin activation. Journal Of Cell Biology 2008, 183: 1159-1173. PMID: 19064666, PMCID: PMC2600739, DOI: 10.1083/jcb.200805061.Peer-Reviewed Original ResearchConceptsJunctional adhesion moleculeIntegrin activationIntegrin-dependent adhesionIntegrin VLA-4Endothelial cellsAdhesion moleculesEpithelial adhesion moleculesJAM familyHeterophilic interactionsCis dimerizationDimerization stateVLA-4Monomeric formLeukocyte integrin VLA-4CellsActivationAdhesionComplexesProteinMoleculesDimerizationLeukocyte adhesionRecruitmentAccumulationFamily
2007
Forces and Bond Dynamics in Cell Adhesion
Evans EA, Calderwood DA. Forces and Bond Dynamics in Cell Adhesion. Science 2007, 316: 1148-1153. PMID: 17525329, DOI: 10.1126/science.1137592.Peer-Reviewed Original ResearchConceptsSingle-molecule force spectroscopyCell adhesionDissociation of bondsMolecular cell biologyCell signaling processesBond dynamicsForce spectroscopySurface bondingCell biologySignaling processesAdhesion receptorsLarge moleculesCell biochemistryChemical processesMolecular interactionsExtracellular matrixBondsIntracellular sitesAdhesion bondsChemical circuitryCellsBiological cellsKey nodesAdhesionSpectroscopy
2006
Integrins in the Ovary
Monniaux D, Huet-Calderwood C, Bellego F, Fabre S, Monget P, Calderwood D. Integrins in the Ovary. Seminars In Reproductive Medicine 2006, 24: 251-261. PMID: 16944422, DOI: 10.1055/s-2006-948554.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsRole of integrinsSperm ADAMsActin cytoskeletonExtracellular matrix componentsIntegrin tailsMultiple signalingOocyte integrinsOvarian surface epithelium cellsIntegrin functionConformational changesExtracellular matrixIntegrinsCell proliferationMatrix componentsTumor developmentMajor receptorIntegrin expressionSurface epithelium cellsPossible involvementPotential roleFollicular cellsGranulosa cellsCellsFollicular basement membraneEpithelium cells