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 regulatorIkarosGenesBCOR regulates myeloid cell proliferation and differentiation
Cao Q, Gearhart M, Gery S, Shojaee S, Yang H, Sun H, Lin D, Bai J, Mead M, Zhao Z, Chen Q, Chien W, Alkan S, Alpermann T, Haferlach T, Müschen M, Bardwell V, Koeffler H. BCOR regulates myeloid cell proliferation and differentiation. Leukemia 2016, 30: 1155-1165. PMID: 26847029, PMCID: PMC5131645, DOI: 10.1038/leu.2016.2.Peer-Reviewed Original ResearchConceptsMyeloid cell proliferationHox genesCell proliferationFunction mutationsUbiquitin ligase subunitRNA expression profilingPolycomb groupEnhanced cell proliferationOverexpression allelesHOXA genesExpression profilingGene expressionConditional lossMyeloid differentiationMurine cellsFamily complexesNormal hematopoiesisGenesBone marrow cellsBCOR expressionProtein levelsMechanistic explanationDifferentiation rateAML patient samplesMutations
2015
Ikaros 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
2001
Molecular Single-Cell Analysis of Hodgkin- and Reed-Sternberg Cells Harboring Unmutated Immunoglobulin Variable Region Genes
Müschen M, Küppers R, Spieker T, Bräuninger A, Rajewsky K, Hansmann M. Molecular Single-Cell Analysis of Hodgkin- and Reed-Sternberg Cells Harboring Unmutated Immunoglobulin Variable Region Genes. Laboratory Investigation 2001, 81: 289-295. PMID: 11310822, DOI: 10.1038/labinvest.3780237.Peer-Reviewed Original ResearchConceptsImmunoglobulin variable region genesRegion genesVariable region genesGerminal center B cellsSomatic mutationsFounder cellsGerminal center founder cellsB cellsGenesIntrinsic propensityClonal progenyUnmutated immunoglobulin variable region genesClassical Hodgkin's diseaseAntigen-experienced B cellsCell analysisRS cellsMutationsNaive B cellsReed-Sternberg cellsCellsB-lineageLineagesProgenyClonesApoptosis
2000
Somatic Mutation of the Cd95 Gene in Human B Cells as a Side-Effect of the Germinal Center Reaction
Müschen M, Re D, Jungnickel B, Diehl V, Rajewsky K, Küppers R. Somatic Mutation of the Cd95 Gene in Human B Cells as a Side-Effect of the Germinal Center Reaction. Journal Of Experimental Medicine 2000, 192: 1833-1840. PMID: 11120779, PMCID: PMC2213498, DOI: 10.1084/jem.192.12.1833.Peer-Reviewed Original ResearchConceptsDeath domainCD95 geneSomatic mutationsNegative selectionNon-Ig genesHuman B cellsSomatic hypermutation machineryApoptosis-resistant cellsTumor suppressor geneDD mutationsLast exonHypermutation machinerySuppressor geneApoptosis resistanceGenesB cellsImmunoglobulin genesGerminal center B cellsSomatic hypermutationMutationsCD95 pathwayGC B-cell lymphomasGC B cellsCellsGerminal center reactionDefining CD95 as a tumor suppressor gene
Müschen M, Warskulat U, Beckmann M. Defining CD95 as a tumor suppressor gene. Journal Of Molecular Medicine 2000, 78: 312-325. PMID: 11001528, DOI: 10.1007/s001090000112.Peer-Reviewed Original ResearchConceptsTumor suppressor geneSuppressor geneCD95L expressionReceptor-ligand systemCD95L-mediated apoptosisKey regulatorDe novo expressionMalignant cellsGenesSomatic mutationsCD95 geneLymphocyte homeostasisBystander cellsCD95ApoptosisNatural ligandMalignant progressionNonmalignant counterpartsNovo expressionTumor progressionExpressionCellsTumor cellsGermlineAntitumor immunity