2020
IFITM3 functions as a PIP3 scaffold to amplify PI3K signalling in B cells
Lee J, Robinson ME, Ma N, Artadji D, Ahmed MA, Xiao G, Sadras T, Deb G, Winchester J, Cosgun KN, Geng H, Chan LN, Kume K, Miettinen TP, Zhang Y, Nix MA, Klemm L, Chen CW, Chen J, Khairnar V, Wiita AP, Thomas-Tikhonenko A, Farzan M, Jung JU, Weinstock DM, Manalis SR, Diamond MS, Vaidehi N, Müschen M. IFITM3 functions as a PIP3 scaffold to amplify PI3K signalling in B cells. Nature 2020, 588: 491-497. PMID: 33149299, PMCID: PMC8087162, DOI: 10.1038/s41586-020-2884-6.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntigens, CD19B-LymphocytesCell Transformation, NeoplasticFemaleGerminal CenterHumansIntegrinsMembrane MicrodomainsMembrane ProteinsMiceMice, Inbred C57BLMice, Inbred NODModels, MolecularPhosphatidylinositol 3-KinasesPhosphatidylinositol PhosphatesPhosphorylationReceptors, Antigen, B-CellRNA-Binding ProteinsSignal TransductionConceptsPI3KCell leukemiaAntiviral effector functionsAntigen-specific antibodiesInterferon-induced transmembrane proteinsIFITM3 functionDevelopment of leukemiaCell surfacePoor outcomeOncogenic PI3KClinical cohortEffector functionsGerminal centersMouse modelB cellsExpression of IFITM3Malignant transformationAccumulation of PIP3PI3K signalsCell receptorNormal numbersLeukemiaDefective expressionEndosomal proteinIFITM3
2018
B-Cell-Specific Diversion of Glucose Carbon Utilization Reveals a Unique Vulnerability in B Cell Malignancies
Xiao G, Chan LN, Klemm L, Braas D, Chen Z, Geng H, Zhang QC, Aghajanirefah A, Cosgun KN, Sadras T, Lee J, Mirzapoiazova T, Salgia R, Ernst T, Hochhaus A, Jumaa H, Jiang X, Weinstock DM, Graeber TG, Müschen M. B-Cell-Specific Diversion of Glucose Carbon Utilization Reveals a Unique Vulnerability in B Cell Malignancies. Cell 2018, 173: 470-484.e18. PMID: 29551267, PMCID: PMC6284818, DOI: 10.1016/j.cell.2018.02.048.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsB-LymphocytesCarbonCell Line, TumorCell SurvivalGlucoseGlucosephosphate DehydrogenaseGlycolysisHumansIkaros Transcription FactorMiceMice, Inbred C57BLMice, Inbred NODOxidative StressPAX5 Transcription FactorPentose Phosphate PathwayPrecursor Cell Lymphoblastic Leukemia-LymphomaProtein Phosphatase 2Proto-Oncogene Proteins c-bcl-2Transcription, GeneticConceptsPentose phosphate pathwayCarbon utilizationSerine/threonine protein phosphatase 2AB-cell transcription factor PAX5Transcription factor Pax5Favor of glycolysisSmall molecule inhibitionPhosphatase 2ATranscriptional repressionRedox homeostasisOncogenic transformationTumor suppressorMolecule inhibitionPP2AGenetic studiesPhosphate pathwayB cell activationEssential roleB-cell malignanciesCell malignanciesB cellsAntioxidant protectionOxidative stressB-cell tumorsCell activation
2015
Mechanisms of clonal evolution in childhood acute lymphoblastic leukemia
Swaminathan S, Klemm L, Park E, Papaemmanuil E, Ford A, Kweon SM, Trageser D, Hasselfeld B, Henke N, Mooster J, Geng H, Schwarz K, Kogan SC, Casellas R, Schatz DG, Lieber MR, Greaves MF, Müschen M. Mechanisms of clonal evolution in childhood acute lymphoblastic leukemia. Nature Immunology 2015, 16: 766-774. PMID: 25985233, PMCID: PMC4475638, DOI: 10.1038/ni.3160.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAnimalsAntibody DiversityB-LymphocytesChildChild, PreschoolClonal EvolutionCytidine DeaminaseDNA-Binding ProteinsFemaleFlow CytometryHomeodomain ProteinsHumansImmunoblottingInfantMaleMice, Inbred NODMice, KnockoutMice, SCIDMice, TransgenicMicroscopy, FluorescencePrecursor Cell Lymphoblastic Leukemia-LymphomaPrecursor Cells, B-LymphoidReverse Transcriptase Polymerase Chain ReactionTumor Cells, CulturedSignalling thresholds and negative B-cell selection in acute lymphoblastic leukaemia
Chen Z, Shojaee S, Buchner M, Geng H, Lee JW, Klemm L, Titz B, Graeber TG, Park E, Tan YX, Satterthwaite A, Paietta E, Hunger SP, Willman CL, Melnick A, Loh ML, Jung JU, Coligan JE, Bolland S, Mak TW, Limnander A, Jumaa H, Reth M, Weiss A, Lowell CA, Müschen M. Signalling thresholds and negative B-cell selection in acute lymphoblastic leukaemia. Nature 2015, 521: 357-361. PMID: 25799995, PMCID: PMC4441554, DOI: 10.1038/nature14231.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid MotifsAnimalsAntigens, CDB-LymphocytesCell DeathCell Line, TumorCell Transformation, NeoplasticDisease Models, AnimalDrug Resistance, NeoplasmEnzyme ActivationFemaleFusion Proteins, bcr-ablGene DeletionHumansInositol Polyphosphate 5-PhosphatasesIntracellular Signaling Peptides and ProteinsMiceMice, Inbred NODMice, SCIDPhosphatidylinositol-3,4,5-Trisphosphate 5-PhosphatasesPhosphoric Monoester HydrolasesPlatelet Endothelial Cell Adhesion Molecule-1Precursor Cell Lymphoblastic Leukemia-LymphomaPrecursor Cells, B-LymphoidProtein Tyrosine Phosphatase, Non-Receptor Type 6Protein-Tyrosine KinasesReceptors, Antigen, B-CellReceptors, ImmunologicSignal TransductionSyk KinaseTyrosineXenograft Model Antitumor Assays
2011
BCL6-mediated repression of p53 is critical for leukemia stem cell survival in chronic myeloid leukemia
Hurtz C, Hatzi K, Cerchietti L, Braig M, Park E, Kim YM, Herzog S, Ramezani-Rad P, Jumaa H, Müller MC, Hofmann WK, Hochhaus A, Ye BH, Agarwal A, Druker BJ, Shah NP, Melnick AM, Müschen M. BCL6-mediated repression of p53 is critical for leukemia stem cell survival in chronic myeloid leukemia. Journal Of Experimental Medicine 2011, 208: 2163-2174. PMID: 21911423, PMCID: PMC3201200, DOI: 10.1084/jem.20110304.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntigens, CD34BenzamidesCell SurvivalDisease Models, AnimalDNA-Binding ProteinsForkhead Transcription FactorsHematopoietic Stem CellsHumansImatinib MesylateLeukemia, Myelogenous, Chronic, BCR-ABL PositiveMiceMice, Inbred NODMice, KnockoutMice, SCIDNeoplasm TransplantationNeoplastic Stem CellsPiperazinesProtein Kinase InhibitorsProtein-Tyrosine KinasesProto-Oncogene Proteins c-bcl-6PyrimidinesTumor Cells, CulturedTumor Suppressor Protein p53ConceptsChronic myeloid leukemiaLeukemia-initiating cellsCML-initiating cellsTyrosine kinase inhibitorsTKI treatmentCML patientsMyeloid leukemiaCML cellsInhibition of BCL6Leukemia stem cell survivalLeukemia initiationHuman CML cellsColony formationBCR-ABL1 tyrosine kinaseInitiation of leukemiaTransplant recipientsBlast crisis transformationRepression of p53Pharmacological inhibitionStem cell survivalCML samplesLeukemiaClinical validationKinase inhibitorsBCL6BCL6 enables Ph+ acute lymphoblastic leukaemia cells to survive BCR–ABL1 kinase inhibition
Duy C, Hurtz C, Shojaee S, Cerchietti L, Geng H, Swaminathan S, Klemm L, Kweon SM, Nahar R, Braig M, Park E, Kim YM, Hofmann WK, Herzog S, Jumaa H, Koeffler HP, Yu JJ, Heisterkamp N, Graeber TG, Wu H, Ye BH, Melnick A, Müschen M. BCL6 enables Ph+ acute lymphoblastic leukaemia cells to survive BCR–ABL1 kinase inhibition. Nature 2011, 473: 384-388. PMID: 21593872, PMCID: PMC3597744, DOI: 10.1038/nature09883.Peer-Reviewed Original ResearchMeSH KeywordsADP-Ribosylation Factor 1AnimalsCell SurvivalDNA-Binding ProteinsDrug Resistance, NeoplasmFusion Proteins, bcr-ablGene Expression Regulation, NeoplasticHumansMiceMice, Inbred NODMice, SCIDPrecursor Cell Lymphoblastic Leukemia-LymphomaProtein Kinase InhibitorsProto-Oncogene Proteins c-bcl-6Transcription, GeneticTumor Suppressor Protein p53ConceptsTyrosine kinase inhibitorsAcute lymphoblastic leukemia cellsBCR-ABL1 mutationsLymphoblastic leukemia cellsDrug resistanceLeukemia cellsLeukemia-initiating cellsXenograft modelBCR-ABL1Anticancer responseTargeted inhibitionDual inhibitionKinase inhibitorsOncogene withdrawalCancer therapyBCL6Kinase inhibitionLeukemiaInhibitionCellsTherapyMutationsUpregulation
2010
Development of resistance to dasatinib in Bcr/Abl-positive acute lymphoblastic leukemia
Fei F, Stoddart S, Müschen M, Kim Y, Groffen J, Heisterkamp N. Development of resistance to dasatinib in Bcr/Abl-positive acute lymphoblastic leukemia. Leukemia 2010, 24: 813-820. PMID: 20111071, PMCID: PMC3038787, DOI: 10.1038/leu.2009.302.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsApoptosisBlotting, WesternCells, CulturedDasatinibDrug Resistance, NeoplasmEmbryo, MammalianFibroblastsFusion Proteins, bcr-ablHumansLeukemia, ExperimentalMiceMice, Inbred NODMice, KnockoutMice, SCIDPhosphorylationPrecursor Cell Lymphoblastic Leukemia-LymphomaProtein Kinase InhibitorsProtein-Tyrosine KinasesPyrimidinesReceptors, CXCR4Src-Family KinasesStromal CellsThiazolesConceptsLong-term treatmentBcr/Abl-positive acute lymphoblastic leukemiaPhiladelphia chromosome-positive leukemiaAcute lymphoblastic leukemia cellsLeukemia cellsTreatment of miceAcute lymphoblastic leukemiaEffects of dasatinibLymphoblastic leukemia cellsTyrosine kinase inhibitionDrug-resistant cellsHigh-dose pulseBCR/ABLDasatinib monotherapyDaily doseDevelopment of resistanceDasatinib treatmentLymphoblastic leukemiaB lineage cellsCell surface expressionCXCR4 inhibitorsEnhanced cell deathLow doseLow dosesDasatinib