2021
Developmental partitioning of SYK and ZAP70 prevents autoimmunity and cancer
Sadras T, Martin M, Kume K, Robinson ME, Saravanakumar S, Lenz G, Chen Z, Song JY, Siddiqi T, Oksa L, Knapp AM, Cutler J, Cosgun KN, Klemm L, Ecker V, Winchester J, Ghergus D, Soulas-Sprauel P, Kiefer F, Heisterkamp N, Pandey A, Ngo V, Wang L, Jumaa H, Buchner M, Ruland J, Chan WC, Meffre E, Martin T, Müschen M. Developmental partitioning of SYK and ZAP70 prevents autoimmunity and cancer. Molecular Cell 2021, 81: 2094-2111.e9. PMID: 33878293, PMCID: PMC8239336, DOI: 10.1016/j.molcel.2021.03.043.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntigens, CD19AutoimmunityB-LymphocytesCalciumCell DifferentiationCell Transformation, NeoplasticEnzyme ActivationHumansImmune ToleranceLymphoma, B-CellMiceModels, GeneticNeoplasm ProteinsNeoplasmsNFATC Transcription FactorsPhosphatidylinositol 3-KinasesProtein BindingReceptors, Antigen, B-CellSignal TransductionSyk KinaseZAP-70 Protein-Tyrosine KinasePON2 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
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 proteinIFITM3Signalling input from divergent pathways subverts B cell transformation
Chan LN, Murakami MA, Robinson ME, Caeser R, Sadras T, Lee J, Cosgun KN, Kume K, Khairnar V, Xiao G, Ahmed MA, Aghania E, Deb G, Hurtz C, Shojaee S, Hong C, Pölönen P, Nix MA, Chen Z, Chen CW, Chen J, Vogt A, Heinäniemi M, Lohi O, Wiita AP, Izraeli S, Geng H, Weinstock DM, Müschen M. Signalling input from divergent pathways subverts B cell transformation. Nature 2020, 583: 845-851. PMID: 32699415, PMCID: PMC7394729, DOI: 10.1038/s41586-020-2513-4.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsB-LymphocytesCell Line, TumorCell Transformation, NeoplasticEnzyme ActivationExtracellular Signal-Regulated MAP KinasesFemaleHumansLeukemia, B-CellMiceProtein Tyrosine Phosphatase, Non-Receptor Type 6Proto-Oncogene Proteins c-bcl-6Proto-Oncogene Proteins c-mycSignal TransductionSTAT5 Transcription FactorConceptsPre-B cell receptorPrincipal oncogenic driverDivergent pathwaysSignal transduction proteinsPro-B cell stageSingle-cell mutationTranscription factor MYCOncogenic driversDivergent signaling pathwaysSingle oncogenic pathwayCentral oncogenic driverMore mature cellsGenetic reactivationTranscriptional programsB-cell transformationProtein kinasePathway componentsERK activationIndividual mutationsOncogenic STAT5Signaling pathwaysCell transformationCytokine receptorsGenetic lesionsDivergent circuits
2017
Lineage-Specific Genes Are Prominent DNA Damage Hotspots during Leukemic Transformation of B Cell Precursors
Boulianne B, Robinson ME, May PC, Castellano L, Blighe K, Thomas J, Reid A, Müschen M, Apperley JF, Stebbing J, Feldhahn N. Lineage-Specific Genes Are Prominent DNA Damage Hotspots during Leukemic Transformation of B Cell Precursors. Cell Reports 2017, 18: 1687-1698. PMID: 28199841, PMCID: PMC5318656, DOI: 10.1016/j.celrep.2017.01.057.Peer-Reviewed Original ResearchConceptsLineage-specific genesDNA damageDe novo DNA damageB cell precursorsB lineage-specific genesPrimary B-cell precursorHuman leukemiaB lineage genesLineage-specific alterationsMyeloid-specific genesCell precursorsGlobal DNA damageLymphoid-specific genesGene bodiesLineage genesChIP-seqDamage hotspotsGenomic lesionsLineage phenotypeGenesProminent targetIdentified regionsDeletionFrequent alterationsPredominant target