2014
Divergent Lineage-Specific Functions of PP2A in Chronic Phase CML and Lymphoid Blast Crisis
Xiao G, Geng H, Chan L, Chen Z, Muschen M. Divergent Lineage-Specific Functions of PP2A in Chronic Phase CML and Lymphoid Blast Crisis. Blood 2014, 124: 3128. DOI: 10.1182/blood.v124.21.3128.3128.Peer-Reviewed Original ResearchFunction of PP2ACell lineagesB cell developmentB-cell lineageSer/Thr phosphataseCell developmentPI3K-AktEarly B cell developmentProtein phosphatase 2ALineage-specific functionsNormal B cell developmentChronic phase chronic myeloid leukemiaLineage-specific requirementGlycolytic fluxPre-B cell receptor checkpointMyeloid lineagePhase chronic myeloid leukemiaChronic myeloid leukemiaRegulation of AktS6 ribosomal proteinHigh glycolytic fluxRapid cell deathLymphoid blast crisisImportant tumor suppressorColony formation capabilityBACH2 promotes Lineage-Specific Fate Decisions in BCR-ABL1-Driven Leukemia
Park E, Swaminathan S, Sadiyah M, Igarashi K, Melnick A, Muschen M. BACH2 promotes Lineage-Specific Fate Decisions in BCR-ABL1-Driven Leukemia. Blood 2014, 124: 513. DOI: 10.1182/blood.v124.21.513.513.Peer-Reviewed Original ResearchLymphoid blast crisisFate decisionsB-cell lineageCML-like diseaseCell lineagesTumor suppressorCML cellsBCR-ABL1Transcription factorsTransplant recipientsLineage-specific transcription factorsChronic phaseB-cell-specific transcription factorCell-specific transcription factorsBlast crisisPre-B cell receptor checkpointB-cell lineage leukemiaPrimary human CML cellsRole of Bach2Multi-lineage progenitor cellsEmpty vector controlGene expression analysisSelective proliferative advantagePotent tumor suppressorCML chronic phase
2012
Lineage-Specific Functions of LKB1 in CML and B Lymphoid Blast Crisis
Chan L, Geng H, Muschen M. Lineage-Specific Functions of LKB1 in CML and B Lymphoid Blast Crisis. Blood 2012, 120: 34. DOI: 10.1182/blood.v120.21.34.34.Peer-Reviewed Original ResearchBCR-ABL1LBC cellsImatinib treatmentInactivation of AMPKBlast crisisCancer cellsSolid tumorsB-lymphoid blast crisisHematopoietic stem cellsLKB1 deletionTumor suppressorInitial proliferative burstProgenitor cellsPoor clinical outcomeBone marrow hematopoietic stemAerobic glycolysisB-cell precursor cellsLymphoid blast crisisCML blast crisisTamoxifen-inducible CrePhospho-p70 S6 kinaseHematopoietic stemClinical outcomesRole of LKB1Lymphoblastic leukemia
2009
The B Cell Mutator AID Promotes B Lymphoid Blast Crisis and Drug-Resistance in Chronic Myeloid Leukemia.
Klemm L, Duy C, Iacobucci I, von Levetzow G, Feldhahn N, Kim Y, Hofmann W, Jumaa H, Groffen J, Heisterkamp N, Martinelli G, Lieber M, Casellas R, Müschen M. The B Cell Mutator AID Promotes B Lymphoid Blast Crisis and Drug-Resistance in Chronic Myeloid Leukemia. Blood 2009, 114: 3274. DOI: 10.1182/blood.v114.22.3274.3274.Peer-Reviewed Original ResearchBCR-ABL1 mutationsChronic myeloid leukemiaLymphoid blast crisisB-lymphoid blast crisisBCR-ABL1 kinase domainImatinib resistanceCML cellsBCR-ABL1Gene copy number alterationsDrug resistanceLeukemia cellsOverall survivalMyeloid leukemiaBlast crisisFive-year overall survivalCopy number alterationsNOD/SCID miceMedian overall survivalTreatment of patientsExpression of CD19Imatinib-resistant clonesMechanisms of progressionKinase inhibitor imatinibPresence of imatinibConcentrations of imatinib
2008
Lymphoid Blast Crisis Transformation and Development of Drug- Resistance in Chronic Myeloid Leukemia Are Driven by Aberrant Somatic Hypermutation
Klemm L, Duy C, Feldhahn N, Groffen J, Kim Y, Hofmann W, Jumaa H, Lieber M, Casellas R, Muschen M. Lymphoid Blast Crisis Transformation and Development of Drug- Resistance in Chronic Myeloid Leukemia Are Driven by Aberrant Somatic Hypermutation. Blood 2008, 112: 571. DOI: 10.1182/blood.v112.11.571.571.Peer-Reviewed Original ResearchChronic phase chronic myeloid leukemiaPhase chronic myeloid leukemiaChronic myeloid leukemiaLymphoid blast crisisGerminal center B cellsAberrant somatic hypermutationSomatic hypermutationBCR-ABL1 kinase domainKinase domainEctopic expressionB cell lineage commitmentB-cell-specific transcription factor Pax5Lineage-specific activationCML cellsAID protein levelsImatinib resistanceAberrant activationB cellsTranscription factor Pax5AID expressionBCR-ABL1Cell lineage commitmentCytidine deaminase AIDDownstream regulatory elementsB-cell-specific activation