2017
Genetic analysis of Ikaros target genes and tumor suppressor function in BCR-ABL1+ pre–B ALL
Schjerven H, Ayongaba EF, Aghajanirefah A, McLaughlin J, Cheng D, Geng H, Boyd JR, Eggesbø LM, Lindeman I, Heath JL, Park E, Witte ON, Smale ST, Frietze S, Müschen M. Genetic analysis of Ikaros target genes and tumor suppressor function in BCR-ABL1+ pre–B ALL. Journal Of Experimental Medicine 2017, 214: 793-814. PMID: 28190001, PMCID: PMC5339667, DOI: 10.1084/jem.20160049.Peer-Reviewed Original ResearchConceptsTumor suppressor functionHuman BCR-ABL1Target genesSuppressor functionDevelopmental stage-specific expressionGenome-wide chromatinStage-specific expressionWild-type IkarosTumor suppressor geneChromatin compactionIkaros functionGene pathwaysMultiple genesExpression analysisGenetic analysisInducible expressionTumor suppressorGenetic depletionCell surface markers CD34Suppressor geneGenesIkarosBCR-ABL1Cell acute lymphoblastic leukemiaLeukemic growth
2016
Analysis of Ikaros tumor suppressor function in BCR-ABL1+ pre-B ALL reveals conserved target genes and biological pathways
Schjerven H, Ayongaba E, McLaughlin J, Cheng D, Eggesbø L, Lindeman I, Park E, Witte O, Smale S, Frietze S, Muschen M. Analysis of Ikaros tumor suppressor function in BCR-ABL1+ pre-B ALL reveals conserved target genes and biological pathways. The Journal Of Immunology 2016, 196: 122.6-122.6. DOI: 10.4049/jimmunol.196.supp.122.6.Peer-Reviewed Original ResearchTumor suppressor functionTarget genesDevelopmental stage-specific expressionSuppressor functionB cell developmentStem cell signatureZinc fingerHematopoietic developmentIkaros DNAIkaros functionEarly hematopoietic progenitor cellsHematopoietic progenitor cellsRNA sequencingReceptor c-kitMultiple genesBiological functionsInducible expressionTumor suppressionTumor suppressorBiological pathwaysSpecific expressionAdhesion pathwayCritical regulatorIkarosGenes
2015
PP2A Is Required for B Cell Survival and Represents a Therapeutic Target in Acute Lymphoblastic Leukemia
Gang X, Geng H, Chan L, Chen Z, Jiang X, Muschen M. PP2A Is Required for B Cell Survival and Represents a Therapeutic Target in Acute Lymphoblastic Leukemia. Blood 2015, 126: 902. DOI: 10.1182/blood.v126.23.902.902.Peer-Reviewed Original ResearchLB-100B cell survivalCell deathH2AX phosphorylationSer/Thr protein phosphatase 2ACell lineagesCell-specific vulnerabilityCell survivalFunction of PP2AEarly B cell developmentProtein phosphatase 2AB-cell lineageCatalytic subunit CGlycolytic fluxAnti-oxidant gene expressionTumor suppressor functionRapid cell deathS6 ribosomal proteinHigh glycolytic fluxB cell developmentImportant tumor suppressorPro-survival roleHigher reactive oxygen species (ROS) levelsCre-mediated deletionPP2A subunitsIkaros 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
2009
Inactivation of Pre-B Cell Receptor-Mediated Tumor Suppression by Aberrant Splicing in Ph+ Acute Lymphoblastic Leukemia.
Duy C, Sprangers M, Klemm L, Nahar R, Nowak D, Martinelli G, Hofmann W, Koeffler P, Jumaa H, Müschen M. Inactivation of Pre-B Cell Receptor-Mediated Tumor Suppression by Aberrant Splicing in Ph+ Acute Lymphoblastic Leukemia. Blood 2009, 114: 579. DOI: 10.1182/blood.v114.22.579.579.Peer-Reviewed Original ResearchPre-B cell receptorSH2 domainSplice factorsTumor suppressor functionAberrant splicingSplice variantsPre-B cell receptor signalingSequence analysisSplice siteSplice site mutationExon 16Suppressor functionCell receptorImportant protein domainsFunctional SH2 domainSite mutationSplice site selectionDetailed sequence analysisCell receptor signalingDominant negative effectDownstream effector moleculesCell linesMultiple splice variantsSplicing factorsProtein domains