2018
Histone demethylase LSD1 is required for germinal center formation and BCL6-driven lymphomagenesis
Hatzi K, Geng H, Doane AS, Meydan C, LaRiviere R, Cardenas M, Duy C, Shen H, Vidal MNC, Baslan T, Mohammad HP, Kruger RG, Shaknovich R, Haberman AM, Inghirami G, Lowe SW, Melnick AM. Histone demethylase LSD1 is required for germinal center formation and BCL6-driven lymphomagenesis. Nature Immunology 2018, 20: 86-96. PMID: 30538335, PMCID: PMC6294324, DOI: 10.1038/s41590-018-0273-1.Peer-Reviewed Original Research
2015
Identification of BCL6 As a Therapeutic Target in RAS-Driven Acute Lymphoblastic Leukemia
Li Q, Hurtz C, Shojaee S, Chen Z, Geng H, Xiao G, Loh M, Ye B, Melnick A, Muschen M. Identification of BCL6 As a Therapeutic Target in RAS-Driven Acute Lymphoblastic Leukemia. Blood 2015, 126: 556. DOI: 10.1182/blood.v126.23.556.556.Peer-Reviewed Original ResearchTime of relapseAcute lymphoblastic leukemiaLymphoblastic leukemiaTherapeutic targetNOD/SCID miceInhibition of BCL6Conventional cytotoxic therapyBCL6 functionComplementary mouse modelsTransplant recipient miceTranscriptional repressor BCL6P53-dependent senescenceMEK inhibitor PD325901Patient-derived cellsInitial remissionTransplant recipientsLeukemia relapseInitial diagnosisPathway lesionsCytotoxic therapyRecipient miceSCID miceSame patientFatal leukemiaMouse model
2014
Dynamic Expression of BCL6 in Murine Conventional Dendritic Cells during In Vivo Development and Activation
Zhang TT, Liu D, Calabro S, Eisenbarth SC, Cattoretti G, Haberman AM. Dynamic Expression of BCL6 in Murine Conventional Dendritic Cells during In Vivo Development and Activation. PLOS ONE 2014, 9: e101208. PMID: 24979752, PMCID: PMC4076320, DOI: 10.1371/journal.pone.0101208.Peer-Reviewed Original ResearchConceptsProtein levelsBCL6 levelsMurine conventional dendritic cellsFollicular helper T cellsCommon DC precursorsFunction of Bcl6BCL6 protein levelsConventional dendritic cellsHelper T cellsSecondary lymphoid organsGerminal center B cellsElevated protein levelsBone marrow hematopoietic stem cellsTranscriptional repressor BCL6Marrow hematopoietic stem cellsAdjuvant inoculationCDC subsetsSplenic cDCsDendritic cellsLPS injectionDC precursorsLymphoid organsMicrobial stimuliT cellsKi-67
2013
Targeting Pre-B Cell Receptor and BCL6 In TCF3-PBX1 B-Lineage Acute Lymphoblastic Leukemia
Geng H, Hurtz C, Chen Z, Chen W, Ballabio E, Xiao G, Kweon S, Nahar R, Sojaee S, Chan L, Masouleh B, Sykes D, Melnick A, Roeder R, Milne T, Muschen M. Targeting Pre-B Cell Receptor and BCL6 In TCF3-PBX1 B-Lineage Acute Lymphoblastic Leukemia. Blood 2013, 122: 349. DOI: 10.1182/blood.v122.21.349.349.Peer-Reviewed Original ResearchPre-BCR signalingGene expression microarray dataB-lineage acute lymphoblastic leukemiaExpression microarray dataTyrosine kinase inhibitorsPre-B cell receptorCell deathMicroarray dataPre-BCR componentsPoor clinical outcomeAcute lymphoblastic leukemiaTCF3-PBX1Cell line 697Cell cycle arrestTranscriptional repressor BCL6ChIPseq dataPre-BCRChIP-seqCellular processesClinical outcomesCritical survival factorTherapeutic targetLeukemia cellsLymphoblastic leukemiaTransplant recipient mice
2011
Pre-B Cell Receptor-Mediated Activation of BCL6 Induces Pre-B Cell Quiescence Through Transcriptional Repression of MYC
Nahar R, Ramezani-Rad P, Mossner M, Duy C, Cerchietti L, Geng H, Jumaa H, Ye B, Melnick A, Muschen M. Pre-B Cell Receptor-Mediated Activation of BCL6 Induces Pre-B Cell Quiescence Through Transcriptional Repression of MYC. Blood 2011, 118: 1406. DOI: 10.1182/blood.v118.21.1406.1406.Peer-Reviewed Original ResearchPre-B cell receptorCell receptorCell cycle exitExit cell cycleInitial proliferative burstAcute lymphoblastic leukemiaCycle exitB cell precursorsPre-B cell receptor signalingInducible activationTranscriptional repressor BCL6Receptor-mediated activationCell receptor signalingInduction of quiescenceLymphoblastic leukemiaCell surface expressionOverexpression of MYCCCND2 expressionCell cycleBcl6-deficient miceMalignant transformationReceptor signalingReceptors resultsCell precursorsReceptorsGerminal Center B Cell and T Follicular Helper Cell Development Initiates in the Interfollicular Zone
Kerfoot SM, Yaari G, Patel JR, Johnson KL, Gonzalez DG, Kleinstein SH, Haberman AM. Germinal Center B Cell and T Follicular Helper Cell Development Initiates in the Interfollicular Zone. Immunity 2011, 34: 947-960. PMID: 21636295, PMCID: PMC3280079, DOI: 10.1016/j.immuni.2011.03.024.Peer-Reviewed Original Research
2010
In Vivo Regulation of Bcl6 and T Follicular Helper Cell Development
Poholek AC, Hansen K, Hernandez SG, Eto D, Chandele A, Weinstein JS, Dong X, Odegard JM, Kaech SM, Dent AL, Crotty S, Craft J. In Vivo Regulation of Bcl6 and T Follicular Helper Cell Development. The Journal Of Immunology 2010, 185: 313-326. PMID: 20519643, PMCID: PMC2891136, DOI: 10.4049/jimmunol.0904023.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCell CommunicationCell DifferentiationCricetinaeDNA-Binding ProteinsDown-RegulationFemaleImmunophenotypingLymphocyte CooperationMembrane GlycoproteinsMiceMice, Inbred BALB CMice, Inbred C57BLMice, KnockoutMice, TransgenicProto-Oncogene Proteins c-bcl-6SpleenT-Lymphocyte SubsetsT-Lymphocytes, Helper-InducerUp-RegulationConceptsPD-1 upregulationIL-21IL-6B cellsFollicular helper T cellsFollicular helper cell developmentDeath receptor-1Helper T cellsCytokines IL-6B cell interactionsB cell maturationTranscriptional repressor BCL6Vivo regulationCell developmentP-selectin glycoprotein ligand-1New surface markersT cellsGerminal centersInitial upregulationReceptor 1CXCR5BCL6 upregulationCell maturationSurface markersBCL6 expression
2009
BCL6 Is Required for Leukemia-Initiation and Self-Renewal Signaling in Chronic Myeloid Leukemia.
Hurtz C, Duy C, Cerchietti L, Park E, Ci W, Swaminathan S, Kweon S, Klemm L, Kim Y, Martinelli G, Hofmann W, Ye B, Melnick A, Müschen M. BCL6 Is Required for Leukemia-Initiation and Self-Renewal Signaling in Chronic Myeloid Leukemia. Blood 2009, 114: 2167. DOI: 10.1182/blood.v114.22.2167.2167.Peer-Reviewed Original ResearchDiffuse large B-cell lymphomaHuman CML cellsCML cellsB cellsGC B cellsImatinib treatmentBCR-ABL1Large B-cell lymphomaInhibition of BCL6Chronic myeloid leukemiaBCL6 functionNovel therapeutic approachesB-cell lymphomaGerminal center B cellsTranscriptional repressor BCL6Myeloid progenitor cellsBCR-ABL1 kinaseImatinib resultsRole of BCL6Cell cycle arrestMyeloid leukemiaNovel peptide inhibitorTherapeutic approachesBone marrowProtein upregulationBcl6 is required for the development of T follicular helper cells marked by downregulation of P-selectin glycoprotein ligand-1 (46.7)
Poholek A, Hernandez S, Chandele A, Dong X, Odegard J, Kaech S, Dent A, Craft J. Bcl6 is required for the development of T follicular helper cells marked by downregulation of P-selectin glycoprotein ligand-1 (46.7). The Journal Of Immunology 2009, 182: 46.7-46.7. DOI: 10.4049/jimmunol.182.supp.46.7.Peer-Reviewed Original ResearchTfh cellsP-selectin glycoprotein ligand-1IL-21PD-1T cellsFollicular helper T cellsAbsence of ICOSExpression of CXCR5Follicular helper cellsTfh cell developmentHelper T cellsLigand 1B cell maturationTranscriptional repressor BCL6ICOS signalingNew surface markersHelper cellsGerminal centersB cellsCell maturationSurface markersExpression of BCL6BCL6CXCR5Downregulation
2008
BCL6-Mediated Survival Signaling Promotes Drug-Resistance in BCRABL1- Driven Acute Lymphoblastic Leukemia
Duy C, Yu J, Cerchietti L, Klemm L, Nahar R, Kim Y, Heisterkamp N, Martinelli G, Hofmann W, Jumaa H, Melnick A, Ye B, Muschen M. BCL6-Mediated Survival Signaling Promotes Drug-Resistance in BCRABL1- Driven Acute Lymphoblastic Leukemia. Blood 2008, 112: 295. DOI: 10.1182/blood.v112.11.295.295.Peer-Reviewed Original ResearchAcute lymphoblastic leukemiaGerminal center B cellsImatinib treatmentBCR-ABL1Bone marrowB cellsLymphoblastic leukemiaHuman BCR-ABL1NOD/SCID miceFunction of Bcl6Inhibition of BCL6Low-dose imatinibBCL6 expressionLeukemia cellsP53 signalingProtein levelsCombination of imatinibGerminal center B cell survivalTail vein injectionNovel treatment conceptsTranscriptional repressor BCL6B cell survivalLow proliferation rateRecipient miceSCID mice
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