2013
ASB2α, an E3 Ubiquitin Ligase Specificity Subunit, Regulates Cell Spreading and Triggers Proteasomal Degradation of Filamins by Targeting the Filamin Calponin Homology 1 Domain*
Razinia Z, Baldassarre M, Cantelli G, Calderwood DA. ASB2α, an E3 Ubiquitin Ligase Specificity Subunit, Regulates Cell Spreading and Triggers Proteasomal Degradation of Filamins by Targeting the Filamin Calponin Homology 1 Domain*. Journal Of Biological Chemistry 2013, 288: 32093-32105. PMID: 24052262, PMCID: PMC3814802, DOI: 10.1074/jbc.m113.496604.Peer-Reviewed Original ResearchConceptsHematopoietic cell differentiationSpecificity subunitProteasomal degradationF-actin-rich structuresE3 ubiquitin ligase complexCell differentiationNormal subcellular localizationHomology 1 domainLoss of filaminUbiquitin acceptor sitesActin-binding domainCross-linking proteinsActin-binding siteLigase complexActin cytoskeletonTransmembrane proteinSubcellular localizationΑ-actinin1Transient expressionASB2αDegradation of filaminMinimal fragmentLysine residuesFilaminCell adhesion
2012
Filamins in Mechanosensing and Signaling
Razinia Z, Mäkelä T, Ylänne J, Calderwood DA. Filamins in Mechanosensing and Signaling. Annual Review Of Biophysics 2012, 41: 227-246. PMID: 22404683, PMCID: PMC5508560, DOI: 10.1146/annurev-biophys-050511-102252.Peer-Reviewed Original ResearchConceptsPlasma membraneActin filamentsActin-binding proteinsExtracellular matrix connectionsCortical rigidityActin cytoskeletonCellular functionsCell cortexTranscription factorsTransmembrane receptorsAdhesion proteinsCell shapeFilaminIon channelsDiverse arrayFunctional evidenceEssential roleProteinMatrix connectionsPhysical forcesMembraneFilamentsCytoskeletalMechanosensingCytoskeletonFilamin A controls matrix metalloproteinase activity and regulates cell invasion in human fibrosarcoma cells
Baldassarre M, Razinia Z, Brahme NN, Buccione R, Calderwood DA. Filamin A controls matrix metalloproteinase activity and regulates cell invasion in human fibrosarcoma cells. Journal Of Cell Science 2012, 125: 3858-3869. PMID: 22595522, PMCID: PMC3462082, DOI: 10.1242/jcs.104018.Peer-Reviewed Original ResearchMeSH KeywordsActinsCell AdhesionCell Line, TumorCell MovementContractile ProteinsEnzyme ActivationExtracellular MatrixFibrosarcomaFilaminsGene Knockdown TechniquesHumansIntegrinsMatrix Metalloproteinase 14Matrix Metalloproteinase 2Microfilament ProteinsNeoplasm InvasivenessPhenotypeProtein Structure, TertiaryConceptsFilamin AActin cytoskeletonCell invasionActin-binding domainCell surface adhesion proteinsControls cell motilityActin-binding proteinsIntegrin adhesion receptorsRandom cell migrationAbility of cellsArray of intracellularBreast cancer lossSurface adhesion proteinsHuman fibrosarcoma cellsExtracellular matrix degradationMatrix metalloproteinase activityFilamin expressionKnockdown cellsAdhesion proteinsCell motilityMetalloproteinase activityActin filamentsAdhesion receptorsFilaminECM remodeling
2011
The E3 ubiquitin ligase specificity subunit ASB2α targets filamins for proteasomal degradation by interacting with the filamin actin-binding domain
Razinia Z, Baldassarre M, Bouaouina M, Lamsoul I, Lutz PG, Calderwood DA. The E3 ubiquitin ligase specificity subunit ASB2α targets filamins for proteasomal degradation by interacting with the filamin actin-binding domain. Journal Of Cell Science 2011, 124: 2631-2641. PMID: 21750192, PMCID: PMC3138704, DOI: 10.1242/jcs.084343.Peer-Reviewed Original ResearchConceptsFilamin degradationProteasomal degradationCell differentiationDomain of filaminActin-rich structuresUbiquitin-proteasome pathwayExtracellular matrix connectionsActin cytoskeletonTransmembrane proteinSubcellular localizationMolecular basisSignaling cascadesASB2αActin filamentsFilaminAcute degradationBiochemical assaysMyeloid leukemia cellsImportant familyActinEarly eventsProteinLeukemia cellsImportant mechanismDifferentiation
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 heterotopia
2008
Structural Basis of the Migfilin-Filamin Interaction and Competition with Integrin β Tails*
Lad Y, Jiang P, Ruskamo S, Harburger DS, Ylänne J, Campbell ID, Calderwood DA. Structural Basis of the Migfilin-Filamin Interaction and Competition with Integrin β Tails*. Journal Of Biological Chemistry 2008, 283: 35154-35163. PMID: 18829455, PMCID: PMC2596399, DOI: 10.1074/jbc.m802592200.Peer-Reviewed Original ResearchConceptsCell-extracellular matrix adhesion sitesHuman filaminN-terminal actin-binding domainProtein-protein interaction studiesActin cross-linking protein filaminIntegrin β tailsMatrix adhesion sitesActin-binding domainIntegrin beta tailsN-terminal portionIntegrin-cytoskeleton linkagesImmunoglobulin-like domainsIntegrin tailsΒ tailAdaptor proteinMigfilinBeta tailsProtein filaminCommon binding siteMolecular basisStructural basisAdhesion sitesCell shapeFilaminCell adhesion
2006
The Molecular Basis of Filamin Binding to Integrins and Competition with Talin
Kiema T, Lad Y, Jiang P, Oxley CL, Baldassarre M, Wegener KL, Campbell ID, Ylänne J, Calderwood DA. The Molecular Basis of Filamin Binding to Integrins and Competition with Talin. Molecular Cell 2006, 21: 337-347. PMID: 16455489, DOI: 10.1016/j.molcel.2006.01.011.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsBinding SitesCalpainContractile ProteinsCrystallography, X-RayFilaminsIntegrin beta ChainsMiceMicrofilament ProteinsModels, MolecularMolecular Sequence DataNIH 3T3 CellsNuclear Magnetic Resonance, BiomolecularProtein BindingProtein ConformationProtein Structure, TertiaryRecombinant Fusion ProteinsReproducibility of ResultsSequence Homology, Amino AcidTalinConceptsAdhesion receptorsTalin-dependent integrin activationActin-crosslinking proteinsIntegrin adhesion receptorsHigh-resolution structuresFilamin bindingExtended beta strandActin cytoskeletonIntegrin tailsMultiple transmembraneMolecular basisStrands CBeta strandsDomain interactionsBiochemical signalsIntegrin functionIntegrin activationFilamin ATalinCell membraneTail formsCytoskeletonProteinBinding sitesFilamin
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