2024
Dynamic recruitment of inhibitory complexes by CD25 controls B-cell development and selection
Sun R, Lee J, Robinson M, Kume K, Ma N, Cosgun K, Chan L, Antoshkina I, Khanduja D, Leveille E, Katz S, Vaidehi N, Müschen M. Dynamic recruitment of inhibitory complexes by CD25 controls B-cell development and selection. The Journal Of Immunology 2024, 212: 1253_4618-1253_4618. DOI: 10.4049/jimmunol.212.supp.1253.4618.Peer-Reviewed Original ResearchBCR signalingInhibitory complexInhibitory phosphatasesPositively charged tailITIM-bearing receptorsInitiation of BCR signalingNegatively charged residuesB cell developmentSH2 domainPhosphatase domainCytoplasmic tailITIM motifsGenetic studiesPhosphatase SHP1Co-IPBCR complexDynamic recruitmentIL2 receptorCell surfaceB cellsSHP1Surface-expressedTernary complexClonal expansionPhosphatase
2019
Dynamic Assembly of a Feedback Complex to Regulate Oncogenic B-Cell Receptor-Signaling
Lee J, Kume K, Chen Z, Xiao G, Cosgun K, Chen L, Chan L, Klemm L, Chen C, Ma N, Chan W, Forman S, Zammarchi F, Van Berkel P, Melnick A, Ngo V, Geng H, Luger S, Litzow M, McManus M, Vaidehi N, Paietta E, Meffre E, Weinstock D, Müschen M. Dynamic Assembly of a Feedback Complex to Regulate Oncogenic B-Cell Receptor-Signaling. Blood 2019, 134: 393. DOI: 10.1182/blood-2019-131270.Peer-Reviewed Original ResearchB-cell malignanciesB-cell leukemiaB cell receptorPoor clinical outcomeTransplant recipientsB cellsCytoplasmic tailClinical outcomesADC therapeuticsFatal diseaseProximity-dependent biotin identificationRefractory B-cell malignanciesPatient-derived xenograft modelsT cell growth factorNormal B cell developmentClinical outcome dataShort cytoplasmic tailHomology-directed repairB-cell receptor signalingCell membrane translocationNF-κB activationInterleukin-2 (IL-2) functionB cell developmentB-cell tumorsGenetic mouse models
2018
CD25-Dependent Feedback Control of the B-Cell Receptor and Its Oncogenic Mimics in B-Cell Malignancies
Lee J, Kume K, Chen Z, Xiao G, Cosgun K, Chan L, Chen C, Pillai R, Chan W, Forman S, Kwak L, Zammarchi F, Van Berkel P, Weinstock D, Melnick A, Ngo V, Geng H, Luger S, Litzow M, Belot A, Uzel G, McManus M, Paietta E, Meffre E, Muschen M. CD25-Dependent Feedback Control of the B-Cell Receptor and Its Oncogenic Mimics in B-Cell Malignancies. Blood 2018, 132: 776. DOI: 10.1182/blood-2018-99-117553.Peer-Reviewed Original ResearchB cell receptorReceptor chainsB-cell malignanciesNormal B cell developmentT cell receptor signalingB-cell leukemiaHomology-directed repairCell membrane translocationPoor clinical outcomeB cell developmentFeedback regulatorTransplant recipientsNegative feedback regulatorNegative feedback regulationCytoplasmic tailClinical outcomesGene expressionMolecule downstreamCytokine receptor chainsBCR signalingT cellsB cell selectionGenetic mouse modelsProliferation signalsAstra Zeneca
2015
CD25 (IL2RA) Orchestrates Negative Feedback Control and Stabilizes Oncogenic Signaling Strength in Acute Lymphoblastic Leukemia
Lee J, Chen Z, Geng H, Xiao G, Eugene P, Parekh S, Kornblau S, Melnick A, Abbas A, Paietta E, Muschen M. CD25 (IL2RA) Orchestrates Negative Feedback Control and Stabilizes Oncogenic Signaling Strength in Acute Lymphoblastic Leukemia. Blood 2015, 126: 1434. DOI: 10.1182/blood.v126.23.1434.1434.Peer-Reviewed Original ResearchPre-BCR signalingPre-B cell receptorCytoplasmic tailOncogenic tyrosine kinasesB cell developmentTyrosine kinaseSerine/threonine protein kinaseCell developmentConstitutive membrane localizationCytoplasmic interaction partnersReceptor chainsEarly B cell developmentThreonine protein kinaseDownstream tyrosine kinasePre-B cell stageShort cytoplasmic tailNegative feedback controlComprehensive gene expression analysisDependent signal transductionTyrosine kinase BtkTyrosine kinase oncogenesGene expression analysisSerial transplantation experimentsB lineage cellsAbsence of CD25
2011
Targeting Inhibitory Phosphatases in Tyrosine Kinase-Driven Leukemias
Shojaee S, Buchner M, Geng H, Silvia B, Koeffler P, Muschen M. Targeting Inhibitory Phosphatases in Tyrosine Kinase-Driven Leukemias. Blood 2011, 118: 1382. DOI: 10.1182/blood.v118.21.1382.1382.Peer-Reviewed Original ResearchCell deathReactive oxygen speciesInducible deletionLeukemia cellsTyrosine kinase signalingActivation signalsSmall molecule inhibitionSubsequent cell deathMultiple new targetsLeukemia cell deathBCR-ABL1 oncogeneCytoplasmic tailKinase signalingTransplant recipient miceInduction of CreTyrosine kinase inhibitorsCellular senescenceMolecule inhibitionTyrosine kinasePTPN6Drastic upregulationINPP5DCurrent tyrosine kinase inhibitorsPTENDeletion