2024
The CUL5 E3 ligase complex negatively regulates central signaling pathways in CD8+ T cells
Liao X, Li W, Zhou H, Rajendran B, Li A, Ren J, Luan Y, Calderwood D, Turk B, Tang W, Liu Y, Wu D. The CUL5 E3 ligase complex negatively regulates central signaling pathways in CD8+ T cells. Nature Communications 2024, 15: 603. PMID: 38242867, PMCID: PMC10798966, DOI: 10.1038/s41467-024-44885-0.Peer-Reviewed Original ResearchConceptsCD8+ T cellsT cellsCancer immunotherapyMouse CD8+ T cellsAnti-tumor immunityTumor growth inhibition abilityAnti-tumor effectsInhibition of neddylationCD8Effector functionsTCR stimulationIL2 signalingCentral signaling pathwaysCore signaling pathwaysEffector activityNegative regulatory mechanismsTranslational implicationsImmunotherapyGrowth inhibition abilityCytokine signalingTCRProteomic alterationsSignaling pathwayCancerCRISPR-based screens
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
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