2024
CDK9 phosphorylates RUNX1 to promote megakaryocytic fate in megakaryocytic-erythroid progenitors
Kwon N, Lu Y, Thompson E, Mancuso R, Wang L, Zhang P, Krause D. CDK9 phosphorylates RUNX1 to promote megakaryocytic fate in megakaryocytic-erythroid progenitors. Blood 2024, 144: 1800-1812. PMID: 39102635, PMCID: PMC11530366, DOI: 10.1182/blood.2024023963.Peer-Reviewed Original ResearchMegakaryocytic-erythroid progenitorsWild-typeFate specificationRUNX1 levelsCell lines expressing wild-typeHuman erythroleukemiaInhibition of CDK9Cell-type specific transcription factorsMK-specificRUNX1 variantsDifferentially regulates expressionErythroid commitmentHematopoietic homeostasisHuman erythroleukemia cellsMK progenitorsOverexpression of RUNX1Megakaryocyte fateDecreased expressionRUNX1Mimetic mutationNon-phosphorylatableTranscription machineryFunctional efficacySerine/threonine phosphorylationSerine/threonine kinase3046 – FUNCTIONAL CHARACTERIZATION OF RBM15-MKL1 FUSION PROTEIN IN AMKL TUMORIGENESIS
Chen M, Mayday M, Espinosa A, Zhang M, Zhang P, Wang L, Rahman N, Krause D. 3046 – FUNCTIONAL CHARACTERIZATION OF RBM15-MKL1 FUSION PROTEIN IN AMKL TUMORIGENESIS. Experimental Hematology 2024, 137: 104368. DOI: 10.1016/j.exphem.2024.104368.Peer-Reviewed Original ResearchChromatin associationRBM15-MKL1TPA-induced megakaryocytic differentiationHuman erythroleukemiaAcute megakaryoblastic leukemiaAssociated with chromatinTranscriptional regulatory functionRNA-binding proteinsTranscriptional co-activatorM6A RNA modificationShRNA-mediated knock-downHuman erythroleukemia cellsChromatin regionsRNA modificationsTranscriptional regulationMolecular functionsAberrant transcriptsFusion proteinGO analysisMKL1Knock-downBinding proteinRegulatory functionsFusion geneDifferentiation block
2012
Induction of megakaryocyte differentiation drives nuclear accumulation and transcriptional function of MKL1 via actin polymerization and RhoA activation
Smith EC, Teixeira AM, Chen RC, Wang L, Gao Y, Hahn KL, Krause DS. Induction of megakaryocyte differentiation drives nuclear accumulation and transcriptional function of MKL1 via actin polymerization and RhoA activation. Blood 2012, 121: 1094-1101. PMID: 23243284, PMCID: PMC3575755, DOI: 10.1182/blood-2012-05-429993.Peer-Reviewed Original ResearchMeSH KeywordsActinsAnimalsCell DifferentiationCell Line, TumorCell NucleusDNA-Binding ProteinsEnzyme ActivationHumansMegakaryocyte Progenitor CellsMegakaryocytesMiceOncogene Proteins, FusionProtein MultimerizationRhoA GTP-Binding ProteinSerum Response FactorTetradecanoylphorbol AcetateThrombopoietinTrans-ActivatorsConceptsMegakaryocyte differentiationActin polymerizationSubcellular localizationSerum response factor (SRF) transcriptional activityRhoA activitySRF target genesComplex cellular responsesFactor transcriptional activityMuscle cell typesCell-type specificHuman erythroleukemia cellsPrimary megakaryocytesTranscriptional regulatorsActin organizationCellular functionsTranscriptional functionSRF activityNuclear localizationTarget genesMegakaryocytic differentiationTranscriptional activityNuclear accumulationErythroleukemia cellsMolecular mechanismsRhoA activation
2007
Rbm15 Modulates Notch-Induced Transcriptional Activation and Affects Myeloid Differentiation
Ma X, Renda MJ, Wang L, Cheng EC, Niu C, Morris SW, S. AS, Krause DS. Rbm15 Modulates Notch-Induced Transcriptional Activation and Affects Myeloid Differentiation. Molecular And Cellular Biology 2007, 27: 3056-3064. PMID: 17283045, PMCID: PMC1899951, DOI: 10.1128/mcb.01339-06.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsBasic Helix-Loop-Helix Transcription FactorsCell NucleusCHO CellsCricetinaeCricetulusDNA-Binding ProteinsDrosophila ProteinsGene Expression ProfilingHomeodomain ProteinsImmunoglobulin J Recombination Signal Sequence-Binding ProteinMiceMolecular Sequence DataMyeloid CellsMyelopoiesisNuclear ProteinsPromoter Regions, GeneticProtein BindingProtein Structure, TertiaryProtein TransportReceptors, NotchRNA, MessengerRNA, Small InterferingRNA-Binding ProteinsTranscription Factor HES-1Transcription, GeneticTranscriptional ActivationConceptsN-terminusPromoter activityMyeloid differentiationCell linesCell type-specific mannerMyeloid precursor cell linePrimary murine cellsType-specific mannerDominant negative effectStimulation of NotchHematopoietic cell linesHuman erythroleukemia cellsPrecursor cell lineMurine cell linesHematopoietic stem cellsTranscriptional activationHes1 transcriptionRNA interferenceErythroleukemia cellsFusion proteinHes1 promoter activityMurine cellsFusion partnerHematopoietic cellsRBM15