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
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
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