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
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
2009
The E3 ubiquitin ligase specificity subunit ASB2β is a novel regulator of muscle differentiation that targets filamin B to proteasomal degradation
Bello NF, Lamsoul I, Heuzé ML, Métais A, Moreaux G, Calderwood DA, Duprez D, Moog-Lutz C, Lutz PG. The E3 ubiquitin ligase specificity subunit ASB2β is a novel regulator of muscle differentiation that targets filamin B to proteasomal degradation. Cell Death & Differentiation 2009, 16: 921-932. PMID: 19300455, PMCID: PMC2709956, DOI: 10.1038/cdd.2009.27.Peer-Reviewed Original ResearchMeSH KeywordsAdaptor Proteins, Signal TransducingAnimalsCarrier ProteinsCell DifferentiationCell LineChickensContractile ProteinsFilaminsGene Knockdown TechniquesHumansMiceMicrofilament ProteinsMyoblastsProteasome Endopeptidase ComplexRNA InterferenceRNA, MessengerSuppressor of Cytokine Signaling ProteinsUbiquitin-Protein LigasesConceptsFilamin BMuscle differentiationSpecificity subunitAnkyrin repeat-containing proteinActive E3 ubiquitin ligaseE3 ubiquitin ligase complexRepeat-containing proteinUbiquitin ligase complexE3 ubiquitin ligaseSuppressor of cytokineBox 2 geneLigase complexE3 ubiquitinUbiquitin ligaseProteasomal degradationMyoblast fusionNovel regulatorMuscle developmentKnockdown cellsProtein degradationMyogenic differentiationAdult tissuesC2C12 cellsMuscle contractile proteinsInduced differentiation
2008
ASB2 targets filamins A and B to proteasomal degradation
Heuzé ML, Lamsoul I, Baldassarre M, Lad Y, Lévêque S, Razinia Z, Moog-Lutz C, Calderwood DA, Lutz PG. ASB2 targets filamins A and B to proteasomal degradation. Blood 2008, 112: 5130-5140. PMID: 18799729, PMCID: PMC2597609, DOI: 10.1182/blood-2007-12-128744.Peer-Reviewed Original ResearchConceptsAnkyrin repeat-containing proteinFilamin AE3 ubiquitin ligase complexActin-binding protein filamin AFilamin degradationRepeat-containing proteinUbiquitin ligase complexSeries of proliferationHematopoietic cell differentiationProtein filamin AAcid-induced differentiationSuppressor of cytokineLigase complexSpecificity subunitLeukemia cellsHematopoietic differentiationHematopoietic progenitor cellsProteasomal degradationMolecular basisAcute promyelocytic leukemia cellsSpecific proteinsCell spreadingPromyelocytic leukemia cellsArrest of differentiationCell differentiation
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