2023
Separation of B- and T-Cell-Specific Signaling Molecules Prevents Oncogenic Transformation in Lymphoid Malignancies
Ketzer F, Klemm L, Robinson M, Loucks C, Arce D, Cosgun K, Kothari S, Müschen M. Separation of B- and T-Cell-Specific Signaling Molecules Prevents Oncogenic Transformation in Lymphoid Malignancies. Blood 2023, 142: 1396. DOI: 10.1182/blood-2023-189221.Peer-Reviewed Original ResearchKinase ZAP70Transcriptional regulationTranscription factorsKinase SykDownstream activationT-cell signaling proteinsCRISPR/Cas9-mediated knockoutComparative proteomic analysisNegative selectionFunction of proteinsWild-type cellsCas9-mediated knockoutCo-expressed proteinsPre-malignant cellsT cell linesCellular fitnessTranscription machinerySLP-76Signaling proteinsMalignant transformationSignal transductionAberrant transcriptionProteomic analysisChIP-qPCRNovel key mechanismThe Transcriptional Landscape of Ph+B-ALL Is Orchestrated By Long-Range Enhancer-Promoter Interactions and the Coordinated Action of Phosphorylation-Dependent and Phosphorylation-Independent Transcription Factors
Ng H, Robinson M, Malysheva V, Deniz O, Crump N, Cosgun K, Helian K, Spivakov M, Müschen M, Feldhahn N. The Transcriptional Landscape of Ph+B-ALL Is Orchestrated By Long-Range Enhancer-Promoter Interactions and the Coordinated Action of Phosphorylation-Dependent and Phosphorylation-Independent Transcription Factors. Blood 2023, 142: 2779. DOI: 10.1182/blood-2023-173435.Peer-Reviewed Original ResearchTranscription factorsTranscriptional programsEnhancer signatureGene expressionChromatin interactionsTranscriptional changesTyrosine kinaseAdditional transcription factorsMotif enrichment analysisPromoter-enhancer interactionsCis-regulatory elementsEnhancer-promoter interactionsPromoter capture HiNon-promoter regionsUnique transcriptional programGene expression changesCoordinated actionMurine B cell precursorsOncogenic tyrosine kinasesEnhancer usageActive chromatinActive genesEnhancer landscapeTranscriptional landscapeActive enhancersβ-catenin engages IKZF factors to control lymphopoiesis
Cosgun K, Jumaa H, Robinson M, Xu L, Xiao G, Arce D, Khanduja D, Chan L, Lee J, Schjerven H, Jellusova J, Müschen M. β-catenin engages IKZF factors to control lymphopoiesis. The Journal Of Immunology 2023, 210: 65.09-65.09. DOI: 10.4049/jimmunol.210.supp.65.09.Peer-Reviewed Original ResearchΒ-cateninZinc finger transcription factorFinger transcription factorDramatic nuclear accumulationGSK3β-dependent phosphorylationT cell signalingT cell developmentTCF factorsRepressive complexesTranscriptional controlEnhancer clusterInteractome studiesTranscriptional activationΒ-catenin activationCommon oncogenic driversInhibition of GSK3βTranscription factorsNegative regulationMesenchymal lineagesNuclear accumulationCell deathMYCT-lymphoid malignancyΒ-catenin expressionPromotes ProliferationEpigenetic Control of Translation Checkpoint and Tumor Progression via RUVBL1‐EEF1A1 Axis
Li M, Yang L, Chan A, Pokharel S, Liu Q, Mattson N, Xu X, Chang W, Miyashita K, Singh P, Zhang L, Li M, Wu J, Wang J, Chen B, Chan L, Lee J, Zhang X, Rosen S, Müschen M, Qi J, Chen J, Hiom K, Bishop A, Chen C. Epigenetic Control of Translation Checkpoint and Tumor Progression via RUVBL1‐EEF1A1 Axis. Advanced Science 2023, 10: 2206584. PMID: 37075745, PMCID: PMC10265057, DOI: 10.1002/advs.202206584.Peer-Reviewed Original ResearchConceptsProtein translation machineryHistone H4 acetylationOncogenic transcription factorNuA4 histoneChromatin remodelersGene bodiesEpigenetic networksTranslation machineryATPase componentEpigenetic controlTumor progressionCRISPR screensTranscription factorsH4 acetylationEpigenetic dysregulationRUVBL1Oncogenic signalingProtein synthesisPatient-derived samplesMYCPharmacological inhibitionEEF1A1 expressionMultiple cancersNovel opportunitiesDynamic interplay
2021
PON2 subverts metabolic gatekeeper functions in B cells to promote leukemogenesis
Pan L, Hong C, Chan LN, Xiao G, Malvi P, Robinson ME, Geng H, Reddy ST, Lee J, Khairnar V, Cosgun KN, Xu L, Kume K, Sadras T, Wang S, Wajapeyee N, Müschen M. PON2 subverts metabolic gatekeeper functions in B cells to promote leukemogenesis. Proceedings Of The National Academy Of Sciences Of The United States Of America 2021, 118: e2016553118. PMID: 33531346, PMCID: PMC7896313, DOI: 10.1073/pnas.2016553118.Peer-Reviewed Original ResearchConceptsTransplant recipient miceDNA double-strand breaksNormal B cell developmentDouble-strand breaksB cell developmentGenetic deletionB cellsLymphoid transcription factorsGlucose transporter GLUT1Gatekeeper functionGlucose uptakeRecipient miceTranscription factorsSomatic recombinationSynthetic lethalityB-cell acute lymphoblastic leukemiaCell developmentMetabolic gatekeeperRefractory B-ALLDeficient murineCell acute lymphoblastic leukemiaPoor clinical outcomeCell typesAcute lymphoblastic leukemiaGlucose transport
2019
Metabolic gatekeepers to safeguard against autoimmunity and oncogenic B cell transformation
Müschen M. Metabolic gatekeepers to safeguard against autoimmunity and oncogenic B cell transformation. Nature Reviews Immunology 2019, 19: 337-348. PMID: 30890785, DOI: 10.1038/s41577-019-0154-3.Peer-Reviewed Original ResearchConceptsB cell receptorAutoreactive B cell receptorsLineage-determining transcription factorsMetabolic gatekeeperMitochondrial ATP productionB-cell transformationTranscription factorsEnergy stressPhosphate pathway activityATP productionCell transformationSmall cytoplasmic volumeCell deathPathway activityB cellsEnergy metabolismCell proliferationCytoplasmic volumeCell receptorGlucose uptakeOncogeneB cell proliferationCellsMetabolic demandsAdditional glucose
2017
Metabolic gatekeeper function of B-lymphoid transcription factors
Chan LN, Chen Z, Braas D, Lee JW, Xiao G, Geng H, Cosgun KN, Hurtz C, Shojaee S, Cazzaniga V, Schjerven H, Ernst T, Hochhaus A, Kornblau SM, Konopleva M, Pufall MA, Cazzaniga G, Liu GJ, Milne TA, Koeffler HP, Ross TS, Sánchez-García I, Borkhardt A, Yamamoto KR, Dickins RA, Graeber TG, Müschen M. Metabolic gatekeeper function of B-lymphoid transcription factors. Nature 2017, 542: 479-483. PMID: 28192788, PMCID: PMC5621518, DOI: 10.1038/nature21076.Peer-Reviewed Original ResearchMeSH KeywordsAdenosine TriphosphateAMP-Activated Protein Kinase KinasesAMP-Activated Protein KinasesAnimalsB-LymphocytesCarcinogenesisCarrier ProteinsCell DeathChromatin ImmunoprecipitationCitric Acid CycleDisease Models, AnimalEnergy MetabolismFemaleGene Expression Regulation, NeoplasticGlucocorticoidsGlucoseHumansIkaros Transcription FactorMiceMice, TransgenicPAX5 Transcription FactorPrecursor B-Cell Lymphoblastic Leukemia-LymphomaProtein Serine-Threonine KinasesPyruvic AcidReceptor, Cannabinoid, CB2Receptors, GlucocorticoidSequence Analysis, RNATranscription Factors
2016
Transcriptional Control of Glucose and Energy Supply Prevents Oncogenic Signaling and B Cell Transformation
Chan L, Chen Z, Xiao G, Lee J, Geng H, Christian H, Cazzaniga V, Cazzaniga G, Dickins R, Müschen M. Transcriptional Control of Glucose and Energy Supply Prevents Oncogenic Signaling and B Cell Transformation. Blood 2016, 128: 437. DOI: 10.1182/blood.v128.22.437.437.Peer-Reviewed Original ResearchB-cell transcription factorsTranscription factorsCellular ATP levelsPositive regulatorOncogenic signalingNegative regulatorSurvival fitnessCRISPR/Cas9-mediated deletionWild-type PAX5Glucose uptakeQuantitative chromatin immunoprecipitationEffect of PAX5Regions of genesB cell identityProtein levelsCompetitive growth assaysATP levelsTumor suppressive functionSecondary genetic lesionsB-lineageChIPseq dataTranscriptional controlChromatin immunoprecipitationB-cell transformationPatient-derived preTranscriptional Regulatory Landscape of TCF3-PBX1-Positive Leukemia and Novel Targeted Treatments
Teppo S, Mehtonen J, Eldfors S, Heckman C, Müschen M, Heinäniemi M, Lohi O. Transcriptional Regulatory Landscape of TCF3-PBX1-Positive Leukemia and Novel Targeted Treatments. Blood 2016, 128: 4077. DOI: 10.1182/blood.v128.22.4077.4077.Peer-Reviewed Original ResearchTranscriptional regulatory landscapeTranscription factorsRegulatory landscapeCell line modelsFusion proteinGenome-wide mapsGlobal nuclear runNovel long non-coding RNANetwork inference analysisDruggable targetsLong non-coding RNAsGene expression differencesNon-coding RNAsGene Expression OmnibusGRO-seq analysisTumor suppressor genePBX1 functionsNovel drug targetsNascent transcriptionTranscriptional landscapeEnhancer RNAsGenomic regionsGRO-seqNetwork inference algorithmsExpression differences
2015
B-Lymphoid Transcription Factors Restrict Glycolytic Energy Supply for Oncogenic Signaling
Chan L, Chen Z, Braas D, Geng H, Hurtz C, Shojaee S, Cazzaniga V, Ng C, Ernst T, Hochhaus A, Kornblau S, Cazzaniga G, Liu G, Milne T, Koeffler H, Armstrong S, Dickins R, Yamamoto K, Graeber T, Muschen M. B-Lymphoid Transcription Factors Restrict Glycolytic Energy Supply for Oncogenic Signaling. Blood 2015, 126: 1255. DOI: 10.1182/blood.v126.23.1255.1255.Peer-Reviewed Original ResearchGlycolytic energy supplyLKB1-AMPKB cellsTranscription factorsGlucose uptakeMyeloid leukemiaMyeloid malignanciesDeletion of Lkb1Unknown functional significanceB-lineage leukemiasTranscriptional repressionTranscriptional programsMyeloid leukemia cellsLineage conversionHematopoietic progenitor cellsOncogenic signalingClinical characteristicsLineage shiftGenetic lesionsCell deathGlycolytic reserveOncogenic lesionsLeukemia casesInsulin receptorGlucocorticoid receptorIkaros tumor suppressor function in pre-B ALL: potential role of Ikaros target gene Ctnnd1 (IRM10P.621)
Schjerven H, Eggesbo L, Lindeman I, Muschen M. Ikaros tumor suppressor function in pre-B ALL: potential role of Ikaros target gene Ctnnd1 (IRM10P.621). The Journal Of Immunology 2015, 194: 131.19-131.19. DOI: 10.4049/jimmunol.194.supp.131.19.Peer-Reviewed Original ResearchTumor suppressor functionTarget genesSuppressor functionDNA-binding zinc fingersTumor suppressorGenome-wide expression analysisHuman preZinc finger transcription factorFinger transcription factorIndirect target genesDownstream target genesB cell developmentImportant tumor suppressorRole of IkarosProper hematopoiesisZinc fingerChIP-seqRNA-seqTranscription factorsPatient-derived preExpression analysisPotential roleIkarosGenesIkaros expression
2014
BACH2 promotes Lineage-Specific Fate Decisions in BCR-ABL1-Driven Leukemia
Park E, Swaminathan S, Sadiyah M, Igarashi K, Melnick A, Muschen M. BACH2 promotes Lineage-Specific Fate Decisions in BCR-ABL1-Driven Leukemia. Blood 2014, 124: 513. DOI: 10.1182/blood.v124.21.513.513.Peer-Reviewed Original ResearchLymphoid blast crisisFate decisionsB-cell lineageCML-like diseaseCell lineagesTumor suppressorCML cellsBCR-ABL1Transcription factorsTransplant recipientsLineage-specific transcription factorsChronic phaseB-cell-specific transcription factorCell-specific transcription factorsBlast crisisPre-B cell receptor checkpointB-cell lineage leukemiaPrimary human CML cellsRole of Bach2Multi-lineage progenitor cellsEmpty vector controlGene expression analysisSelective proliferative advantagePotent tumor suppressorCML chronic phase
2012
SOX4 enables Oncogenic Survival Signals in Acute Lymphoblastic Leukemia
Ramezani-Rad P, Geng H, Chan L, Hurtz C, Jumaa H, Melnick A, Paietta E, Carroll W, Willman C, Lefebvre V, Muschen M. SOX4 enables Oncogenic Survival Signals in Acute Lymphoblastic Leukemia. Blood 2012, 120: 863. DOI: 10.1182/blood.v120.21.863.863.Peer-Reviewed Original ResearchARF/p53PI3K/AktTranscription factorsPoor clinical outcomeNegative regulationBCR-ABL1B cell precursorsPre-B cell transitionClinical outcomesDe-phosphorylation eventsCpG methylation analysisMRNA levelsPre-B cell receptor checkpointMyeloid leukemiaP110 catalytic subunitCytokine receptor signalingB cell developmentB-cell lineage leukemiaSOX4 transcription factorTyrosine kinase inhibitor treatmentPI3K/Akt pathwayCell precursorsT cell developmentCritical upstream regulatorPutative DNA
2005
BCR–ABL1 induces aberrant splicing of IKAROS and lineage infidelity in pre-B lymphoblastic leukemia cells
Klein F, Feldhahn N, Herzog S, Sprangers M, Mooster J, Jumaa H, Müschen M. BCR–ABL1 induces aberrant splicing of IKAROS and lineage infidelity in pre-B lymphoblastic leukemia cells. Oncogene 2005, 25: 1118-1124. PMID: 16205638, DOI: 10.1038/sj.onc.1209133.Peer-Reviewed Original ResearchMeSH KeywordsAlternative SplicingAnimalsAntineoplastic AgentsBenzamidesCell Line, TumorCell LineageCell NucleusFusion Proteins, bcr-ablGene Expression ProfilingGene SilencingHumansIkaros Transcription FactorImatinib MesylateMicePiperazinesPrecursor B-Cell Lymphoblastic Leukemia-LymphomaProtein Kinase InhibitorsProtein-Tyrosine KinasesPyrimidinesConceptsLymphoid lineage commitmentLineage commitmentGenome-wide gene expression profilesAberrant splicingLymphoblastic leukemia cellsLeukemia cellsAberrant expressionGene expression profilesNormal B-cell subsetsCell linesPrecursor cell lineLineage identityLineage infidelityTranscription factorsRNA interferenceExpression profilesInducible expressionUndifferentiated phenotypeSplice variantsDefective expressionBCR-ABL1SplicingIk6ExpressionCells