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 mutationsProteinCellsAdhesionSerine phosphorylation of the small phosphoprotein ICAP1 inhibits its nuclear accumulation
Su VL, Simon B, Draheim KM, Calderwood DA. Serine phosphorylation of the small phosphoprotein ICAP1 inhibits its nuclear accumulation. Journal Of Biological Chemistry 2020, 295: 3269-3284. PMID: 32005669, PMCID: PMC7062153, DOI: 10.1074/jbc.ra119.009794.Peer-Reviewed Original ResearchConceptsIntegrin cytoplasmic domain-associated protein-1N-terminal regionNuclear accumulationP21-activated kinase 4Ser-10Nuclear roleSerine phosphorylationNuclear localizationPhosphorylation-mimicking substitutionsNuclear localization signalCell-cell junctionsSer-25Localization signalKRIT1 functionThreonine residuesAdaptor proteinKRIT1 lossSubcellular localizationNeurovascular dysplasiaBlood vessel integrityVascular developmentKinase 4Cultured cellsPhosphorylationProtein 1
2016
Nuclear Localization of Integrin Cytoplasmic Domain-associated Protein-1 (ICAP1) Influences β1 Integrin Activation and Recruits Krev/Interaction Trapped-1 (KRIT1) to the Nucleus*
Draheim KM, Huet-Calderwood C, Simon B, Calderwood DA. Nuclear Localization of Integrin Cytoplasmic Domain-associated Protein-1 (ICAP1) Influences β1 Integrin Activation and Recruits Krev/Interaction Trapped-1 (KRIT1) to the Nucleus*. Journal Of Biological Chemistry 2016, 292: 1884-1898. PMID: 28003363, PMCID: PMC5290960, DOI: 10.1074/jbc.m116.762393.Peer-Reviewed Original Research
2014
Differences in binding to the ILK complex determines kindlin isoform adhesion localization and integrin activation
Huet-Calderwood C, Brahme NN, Kumar N, Stiegler AL, Raghavan S, Boggon TJ, Calderwood DA. Differences in binding to the ILK complex determines kindlin isoform adhesion localization and integrin activation. Journal Of Cell Science 2014, 127: 4308-4321. PMID: 25086068, PMCID: PMC4179494, DOI: 10.1242/jcs.155879.Peer-Reviewed Original ResearchConceptsIntegrin activationKindlin-2Kindlin-3Focal adhesion proteinsFunctional differencesIntegrin-linked kinaseILK complexAdhesion proteinsF2 subdomainMolecular basisIsoform specificityComplex bindsKindlinFA targetingActivation defectsCell adhesionActivationFALocalizesKinaseGFPSignalingILKIsoformsProtein
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
A Conserved Lipid-binding Loop in the Kindlin FERM F1 Domain Is Required for Kindlin-mediated αIIbβ3 Integrin Coactivation*
Bouaouina M, Goult BT, Huet-Calderwood C, Bate N, Brahme NN, Barsukov IL, Critchley DR, Calderwood DA. A Conserved Lipid-binding Loop in the Kindlin FERM F1 Domain Is Required for Kindlin-mediated αIIbβ3 Integrin Coactivation*. Journal Of Biological Chemistry 2012, 287: 6979-6990. PMID: 22235127, PMCID: PMC3293583, DOI: 10.1074/jbc.m111.330845.Peer-Reviewed Original ResearchConceptsIntegrin β tailsTalin FERM domainFERM domainFocal adhesionsΒ tailTalin headHeterodimeric integrin adhesion receptorsIntegrin activationKindlin-1Membrane-binding motifFERM domain proteinsIntegrin β subunitsShort cytoplasmic tailAcidic membrane phospholipidsIntegrin adhesion receptorsΑIIbβ3 integrin activationDomain proteinsIntegrin tailsCytoplasmic domainCytoplasmic tailKindlinKindlin familyDomain interactionsPhospholipid head groupsPolylysine motif
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
Kindlin-1 and -2 Directly Bind the C-terminal Region of β Integrin Cytoplasmic Tails and Exert Integrin-specific Activation Effects*
Harburger DS, Bouaouina M, Calderwood DA. Kindlin-1 and -2 Directly Bind the C-terminal Region of β Integrin Cytoplasmic Tails and Exert Integrin-specific Activation Effects*. Journal Of Biological Chemistry 2009, 284: 11485-11497. PMID: 19240021, PMCID: PMC2670154, DOI: 10.1074/jbc.m809233200.Peer-Reviewed Original Research
2006
Reconstructing and Deconstructing Agonist-Induced Activation of Integrin αIIbβ3
Han J, Lim CJ, Watanabe N, Soriani A, Ratnikov B, Calderwood DA, Puzon-McLaughlin W, Lafuente EM, Boussiotis VA, Shattil SJ, Ginsberg MH. Reconstructing and Deconstructing Agonist-Induced Activation of Integrin αIIbβ3. Current Biology 2006, 16: 1796-1806. PMID: 16979556, DOI: 10.1016/j.cub.2006.08.035.Peer-Reviewed Original ResearchConceptsIntegrin activationIntegrin affinityIntegrin beta cytoplasmic domainsIntegrin-associated complexesAgonist stimulationBeta cytoplasmic domainsIntegrin activation pathwaysProtein kinase CalphaExtracellular matrix assemblyBinding of talinSiRNA-mediated knockdownTumor cell metastasisRap effectorMulticellular animalsPhorbol myristate acetateSynthetic geneticsCytoplasmic domainRap1 GTPaseTransmembrane alphaActivation complexCytoskeletal proteinsTalinBeta subunitIntegrin αIIbβ3Cell adhesion