2013
AID downregulation is a novel function of the DNMT inhibitor 5-aza-deoxycytidine
Tsai CT, Yang PM, Chern TR, Chuang SH, Lin JH, Klemm L, Müschen M, Chen CC. AID downregulation is a novel function of the DNMT inhibitor 5-aza-deoxycytidine. Oncotarget 2013, 5: 211-223. PMID: 24457556, PMCID: PMC3960202, DOI: 10.18632/oncotarget.1319.Peer-Reviewed Original ResearchConceptsActivation-induced cytidine deaminaseClass switch recombinationTumor suppressor geneHematopoietic cancer cellsAID expressionSomatic hypermutationNovel biological functionDNMT inhibitor 5Cancer cellsHost genesProteasomal degradationDNMT inhibitorsNovel functionBiological functionsInhibitor 5Suppressor geneSwitch recombinationImmunoglobulin genesCancer progressionCytidine deaminaseGenesDNMT1ZEBMolecular dockingActive siteSmall-molecule inhibition of CBP/catenin interactions eliminates drug-resistant clones in acute lymphoblastic leukemia
Gang EJ, Hsieh YT, Pham J, Zhao Y, Nguyen C, Huantes S, Park E, Naing K, Klemm L, Swaminathan S, Conway EM, Pelus LM, Crispino J, Mullighan CG, McMillan M, Müschen M, Kahn M, Kim YM. Small-molecule inhibition of CBP/catenin interactions eliminates drug-resistant clones in acute lymphoblastic leukemia. Oncogene 2013, 33: 2169-2178. PMID: 23728349, PMCID: PMC3994178, DOI: 10.1038/onc.2013.169.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntineoplastic AgentsAsparaginaseBeta CateninBridged Bicyclo Compounds, HeterocyclicCell Line, TumorCell ProliferationCell SurvivalDexamethasoneDown-RegulationDrug Resistance, NeoplasmDrug SynergismHumansInhibitor of Apoptosis ProteinsMiceMice, Inbred NODMice, SCIDMutationPeptide FragmentsPrecursor Cell Lymphoblastic Leukemia-LymphomaPyrimidinonesSialoglycoproteinsSurvivinVincristineWnt Signaling PathwayXenograft Model Antitumor AssaysConceptsICG-001Activation of genesDivergent cellular responsesProgenitor cellsInitiation of differentiationSmall molecule modulatorsAcute lymphoblastic leukemiaAmino acids 1Small molecule inhibitionWnt/cateninNovel small molecule modulatorsPrimary acute lymphoblastic leukemiaCoactivator CBPChromatin immunoprecipitationTranscriptional activationHematopoietic progenitor cellsSelf-renewal capacityApoptosis proteinNormal hematopoietic progenitor cellsCBP mutationsN-terminusCellular responsesCatenin interactionC-terminalSurvivin promoter
2010
BCL6 is critical for the development of a diverse primary B cell repertoire
Duy C, Yu JJ, Nahar R, Swaminathan S, Kweon SM, Polo JM, Valls E, Klemm L, Shojaee S, Cerchietti L, Schuh W, Jäck HM, Hurtz C, Ramezani-Rad P, Herzog S, Jumaa H, Koeffler HP, de Alborán IM, Melnick AM, Ye BH, Müschen M. BCL6 is critical for the development of a diverse primary B cell repertoire. Journal Of Experimental Medicine 2010, 207: 1209-1221. PMID: 20498019, PMCID: PMC2882829, DOI: 10.1084/jem.20091299.Peer-Reviewed Original ResearchMeSH KeywordsADP-Ribosylation FactorsAnimalsApoptosisBase SequenceB-LymphocytesCell ProliferationCell SurvivalCells, CulturedCytoprotectionDNA DamageDNA-Binding ProteinsDown-RegulationGene Rearrangement, B-Lymphocyte, Light ChainHumansInterleukin-7LymphopoiesisMiceMolecular Sequence DataPre-B Cell ReceptorsPrecursor Cells, B-LymphoidProto-Oncogene Proteins c-bcl-6Proto-Oncogene Proteins c-mycRecombination, GeneticSignal TransductionTranscription, GeneticUp-RegulationConceptsDNA damage-induced apoptosisDamage-induced apoptosisImmunoglobulin light chain gene recombinationPre-B cell receptorBone marrow immature B cellsB cell developmentClass switch recombinationAbsence of Bcl6B cell repertoireExpression of BCL6Immature B cellsMu heavy chainDNA breaksNegative regulationPrimary B-cell repertoireGene recombinationCell developmentClonal diversityB cellsGerminal center B cellsSomatic hypermutationB cell precursorsExpression levelsBCL6 expressionCell precursors
2009
Pre–B cell receptor–mediated cell cycle arrest in Philadelphia chromosome–positive acute lymphoblastic leukemia requires IKAROS function
Trageser D, Iacobucci I, Nahar R, Duy C, von Levetzow G, Klemm L, Park E, Schuh W, Gruber T, Herzog S, Kim YM, Hofmann WK, Li A, Storlazzi CT, Jäck HM, Groffen J, Martinelli G, Heisterkamp N, Jumaa H, Müschen M. Pre–B cell receptor–mediated cell cycle arrest in Philadelphia chromosome–positive acute lymphoblastic leukemia requires IKAROS function. Journal Of Experimental Medicine 2009, 206: 1739-1753. PMID: 19620627, PMCID: PMC2722172, DOI: 10.1084/jem.20090004.Peer-Reviewed Original ResearchMeSH KeywordsAdaptor Proteins, Signal TransducingAdultAnimalsCell CycleCell Transformation, NeoplasticDown-RegulationGene DeletionGenes, ablHumansIkaros Transcription FactorLeukemia, Prolymphocytic, B-CellMiceMice, KnockoutMice, TransgenicPhiladelphia ChromosomePre-B Cell ReceptorsSignal TransductionConceptsAcute lymphoblastic leukemiaCell cycle arrestPre-B cell receptorCell receptorLymphoblastic leukemiaPre-B cell receptor functionPhiladelphia chromosome-positive acute lymphoblastic leukemiaB-cell lineage acute lymphoblastic leukemiaCycle arrestUnfavorable clinical outcomeBCR-ABL1 tyrosine kinaseB cell precursorsCase of adultsBCR-ABL1 kinaseTumor suppressionClinical outcomesReceptor functionCell precursorsCell receptor functionIkaros functionCell cycle exitDownstream moleculesReceptorsLeukemiaSubtypes