Optogenetic Control of Oncogenic Signaling in B-Cell Malignancies
Kume K, Lee J, Cheng Z, Robinson M, Leveille E, Cosgun K, Chan L, Feng Y, Arce D, Khanduja D, Toomre D, Müschen M. Optogenetic Control of Oncogenic Signaling in B-Cell Malignancies. Blood 2023, 142: 4138. DOI: 10.1182/blood-2023-190926.Peer-Reviewed Original ResearchB-cell malignanciesB-cell lymphomaMature B-cell lymphomasB cell deathB cellsB cell developmentGenetic deletionMantle cell lymphomaNF-kB signalingBCR signal inhibitorsB cell precursorsCell of originCell viabilityChronic active BCRB cell survivalB cell receptor signalsHodgkin's diseaseMultiple myelomaNormal B cell developmentPlasma cellsBtk tyrosine kinaseCell lymphomaBurkitt's lymphomaNF-kBSmall molecule inhibitorsSTAT5-Feedback Controls Distinct Metabolic States for Dynamic Transitions between Cellular Activation and Quiescence in Acute Lymphoblastic Leukemia
Kume K, Chen Z, Robinson M, Chan L, Leveille E, Cosgun K, Cheng Z, Arce D, Khanduja D, Graeber T, Müschen M. STAT5-Feedback Controls Distinct Metabolic States for Dynamic Transitions between Cellular Activation and Quiescence in Acute Lymphoblastic Leukemia. Blood 2023, 142: 2977. DOI: 10.1182/blood-2023-191006.Peer-Reviewed Original ResearchB-cell acute lymphoblastic leukemiaAcute lymphoblastic leukemiaLymphoblastic leukemiaPharmacological inhibitionGenetic deletionCellular activationReceptor signalingCell deathBone marrow relapsePoor overall outcomePoor clinical outcomeLeukemia-initiating capacityOncogenic STAT5Mass spectrometry-based metabolomics analysisExpression levelsPhosphorylation of STAT5Flow cytometry analysisMetabolic statePositive MRDRole of mTORMarrow relapseAggressive courseClinical outcomesExcessive protein synthesisMetabolic outcomesRepurposing GSK3B Small Molecule Inhibitors for Refractory Lymphoid Malignancies
Cosgun K, Robinson M, Oulghazi S, Xu L, Xiao G, Chan L, Lee J, Kume K, Leveille E, Arce D, Khanduja D, Feldhahn N, Song J, Chan W, Chen J, Taketo M, Schjerven H, Jellusova J, Kothari S, Davids M, Müschen M. Repurposing GSK3B Small Molecule Inhibitors for Refractory Lymphoid Malignancies. Blood 2023, 142: 2818. DOI: 10.1182/blood-2023-190522.Peer-Reviewed Original ResearchFavorable safety profileSmall molecule inhibitorsT-lymphoid malignancyΒ-catenin degradationLymphoid malignanciesΒ-cateninInteractome studiesSafety profileClinical trialsMolecule inhibitorsLow nanomolar concentrationsΒ-catenin accumulationSolid tumorsRefractory B-cell malignanciesCell deathPK/PD profilesZinc finger proteinRefractory lymphoid malignanciesChIP-seq analysisPhase 2 trialMYC target genesT-cell lymphomaColony formationRapid nuclear accumulationWnt/β-catenin pathwayDynamic Recruitment of Inhibitory Complexes Controls Oncogenic Signaling in B-Cell Malignancies
Sun R, Lee J, Robinson M, Kume K, Ma N, Cosgun K, Chan L, Antoshkina I, Khanduja D, Leveille E, Katz S, Chen J, Paietta E, Vaidehi N, Müschen M. Dynamic Recruitment of Inhibitory Complexes Controls Oncogenic Signaling in B-Cell Malignancies. Blood 2023, 142: 719. DOI: 10.1182/blood-2023-189742.Peer-Reviewed Original ResearchB-cell malignanciesB-cell lymphomaHigher serum levelsMature B-cell lymphomasSoluble CD25Serum levelsOncogenic signalingMouse modelB cellsAggressive B-cell lymphomasAcceleration of diseaseActivation of inhibitoryPoor clinical outcomeCD25 surface expressionB cell subsetsRole of CD25Patient-derived xenograftsB cell populationsB-cell receptor signalingB-cell leukemiaGenetic mouse modelsKnockin mouse modelCell deathMature B cell populationClinical outcomesComputational Discovery and Validation of NAD+ Biosynthesis As Unique Vulnerability in B-Lymphoid Malignancies
Li Q, Robinson M, Leveille E, Zhang C, Sun R, Cheng Z, Kume K, Cosgun K, Kothari S, Khanduja D, Nakada D, Müschen M. Computational Discovery and Validation of NAD+ Biosynthesis As Unique Vulnerability in B-Lymphoid Malignancies. Blood 2023, 142: 418. DOI: 10.1182/blood-2023-190269.Peer-Reviewed Original ResearchSmall molecule inhibitorsDrug discovery toolNAMPT inhibitorsCompound screenCell type-specific targetsCell linesMolecule inhibitorsPurine/pyrimidine metabolismTumor cell linesEnergy metabolismSalvage biosynthesis pathwaySolid tumor cell linesB cell developmentCellular energy metabolismB cell signalingAmino acid metabolismCell cycle arrestDiscovery toolDepletion of metabolitesBiosynthesis pathwayCompetitive fitnessRate-limiting enzymeNAMPT deletionConditional mouse modelEnergy stress