2024
Dynamic recruitment of inhibitory complexes by CD25 controls B-cell development and selection
Sun R, Lee J, Robinson M, Kume K, Ma N, Cosgun K, Chan L, Antoshkina I, Khanduja D, Leveille E, Katz S, Vaidehi N, Müschen M. Dynamic recruitment of inhibitory complexes by CD25 controls B-cell development and selection. The Journal Of Immunology 2024, 212: 1253_4618-1253_4618. DOI: 10.4049/jimmunol.212.supp.1253.4618.Peer-Reviewed Original ResearchBCR signalingInhibitory complexInhibitory phosphatasesPositively charged tailITIM-bearing receptorsInitiation of BCR signalingNegatively charged residuesB cell developmentSH2 domainPhosphatase domainCytoplasmic tailITIM motifsGenetic studiesPhosphatase SHP1Co-IPBCR complexDynamic recruitmentIL2 receptorCell surfaceB cellsSHP1Surface-expressedTernary complexClonal expansionPhosphatase
2018
Cooperation between SYK and ZAP70 Kinases As a Driver of Oncogenic BCR-Signaling in B-Cell Malignancies
Sadras T, Cutler J, Aguade-Gorgorio J, Chen Z, Cosgun K, Pandey A, Muschen M. Cooperation between SYK and ZAP70 Kinases As a Driver of Oncogenic BCR-Signaling in B-Cell Malignancies. Blood 2018, 132: 3922. DOI: 10.1182/blood-2018-99-116954.Peer-Reviewed Original ResearchSpleen tyrosine kinaseSH2 domainZAP70 kinaseKinase domainCarboxy-terminal kinase domainLinker regionT cell receptorSurvival signalsBCR signalingTyrosine kinaseChronic lymphocytic leukemiaTandem SH2 domainsProximal signal transductionAmino acid insertB-cell malignanciesBCR-mediated signalsB cellsAlternative splice variantsNegative B cell selectionDifferential interactomeProteomic approachInterdomain BZAP70 proteinBCR componentsSignal transduction
2010
Mechanisms of Pre-B Cell Receptor-Inactivation In Acute Lymphoblastic Leukemia
Duy C, Nowak D, Klemm L, Nahar R, Ng C, Elliott E, Hofmann W, Heisterkamp N, Lowell C, Koeffler P, Muschen M. Mechanisms of Pre-B Cell Receptor-Inactivation In Acute Lymphoblastic Leukemia. Blood 2010, 116: 147. DOI: 10.1182/blood.v116.21.147.147.Peer-Reviewed Original ResearchPre-B cell receptorImmunoglobulin μ chainCell receptor functionCell receptor stimulationTyrosine kinasePAX5 fusion genesSystematic gene expression analysisΜ chainsSplice variantsCell receptorRapid cell cycle arrestExon 16Immunoglobulin gene rearrangementsReceptor functionReceptor signal transductionPre-B cell receptor functionGene rearrangementsGene expression analysisLeukemia cellsDominant-negative waySyk tyrosine kinaseCell cycle arrestPre B cellsSH2 domainMRNA splicing
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