2023
Phosphorylation stabilized TET1 acts as an oncoprotein and therapeutic target in B cell acute lymphoblastic leukemia
Chen Z, Zhou K, Xue J, Small A, Xiao G, Nguyen L, Zhang Z, Prince E, Weng H, Huang H, Zhao Z, Qing Y, Shen C, Li W, Han L, Tan B, Su R, Qin H, Li Y, Wu D, Gu Z, Ngo V, He X, Chao J, Leung K, Wang K, Dong L, Qin X, Cai Z, Sheng Y, Chen Y, Wu X, Zhang B, Shi Y, Marcucci G, Qian Z, Xu M, Müschen M, Chen J, Deng X. Phosphorylation stabilized TET1 acts as an oncoprotein and therapeutic target in B cell acute lymphoblastic leukemia. Science Translational Medicine 2023, 15: eabq8513. PMID: 36989375, PMCID: PMC11163962, DOI: 10.1126/scitranslmed.abq8513.Peer-Reviewed Original ResearchConceptsB-cell acute lymphoblastic leukemiaCell acute lymphoblastic leukemiaAcute lymphoblastic leukemiaB-ALLRefractory/Oncogenic roleLymphoblastic leukemiaProtein kinase C epsilonOverall survival rateNormal precursor B cellsCrucial oncogenic rolePrecursor B cellsAdult patientsPDX modelsPharmacological targetingTherapeutic targetB cellsImproved therapiesSurvival rateLeukemia progressionTherapeutic potentialOverexpression of TET1TET1 proteinATM serine/threonine kinaseLeukemia
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
2016
Phosphorylation of a constrained azacyclic FTY720 analog enhances anti-leukemic activity without inducing S1P receptor activation
McCracken A, McMonigle R, Tessier J, Fransson R, Perryman M, Chen B, Keebaugh A, Selwan E, Barr S, Kim S, Roy S, Liu G, Fallegger D, Sernissi L, Brandt C, Moitessier N, Snider A, Clare S, Müschen M, Huwiler A, Kleinman M, Hanessian S, Edinger A. Phosphorylation of a constrained azacyclic FTY720 analog enhances anti-leukemic activity without inducing S1P receptor activation. Leukemia 2016, 31: 669-677. PMID: 27573555, PMCID: PMC5332311, DOI: 10.1038/leu.2016.244.Peer-Reviewed Original ResearchConceptsS1P receptor activationAnti-leukemic actionProtein phosphatase 2APro-apoptotic targetsPhosphatase 2ASphingosine kinase 2Efficient phosphorylationGenetic approachesReceptor activationKinase 2Nutrient accessChemical biologyPhosphorylationTight inverse correlationDistinct mechanismsS1P receptorsAnti-leukemic activityNovel therapeutic approachesLeukemia progressionReceptor activityMRNA expressionAnti-leukemic agentsActivationEnhanced potencyBiology
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
2006
The SRC family kinase LYN redirects B cell receptor signaling in human SLP65-deficient B cell lymphoma cells
Sprangers M, Feldhahn N, Herzog S, Hansmann M, Reppel M, Hescheler J, Jumaa H, Siebert R, Müschen M. The SRC family kinase LYN redirects B cell receptor signaling in human SLP65-deficient B cell lymphoma cells. Oncogene 2006, 25: 5056-5062. PMID: 16568084, DOI: 10.1038/sj.onc.1209510.Peer-Reviewed Original ResearchConceptsB-cell lymphoma cellsB cell receptor engagementCell lymphoma cellsSrc kinase LynCell receptor engagementB cell receptorKinase LynReceptor-induced Ca2Lymphoma cellsCell receptorReceptor engagementB-cell receptor signal transductionSrc family kinase LynB-cell-derived lymphomasSrc kinase activityReceptor signal transductionAcute lymphoblastic leukemiaSrc kinase activationProliferation-related moleculesB-cell lymphoma casesReceptor-dependent Ca2Normal B cellsActivation of survivalSignal transductionRNA interference