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 mechanismDifferentiationFunctional 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
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