2020
IFITM3 functions as a PIP3 scaffold to amplify PI3K signalling in B cells
Lee J, Robinson ME, Ma N, Artadji D, Ahmed MA, Xiao G, Sadras T, Deb G, Winchester J, Cosgun KN, Geng H, Chan LN, Kume K, Miettinen TP, Zhang Y, Nix MA, Klemm L, Chen CW, Chen J, Khairnar V, Wiita AP, Thomas-Tikhonenko A, Farzan M, Jung JU, Weinstock DM, Manalis SR, Diamond MS, Vaidehi N, Müschen M. IFITM3 functions as a PIP3 scaffold to amplify PI3K signalling in B cells. Nature 2020, 588: 491-497. PMID: 33149299, PMCID: PMC8087162, DOI: 10.1038/s41586-020-2884-6.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntigens, CD19B-LymphocytesCell Transformation, NeoplasticFemaleGerminal CenterHumansIntegrinsMembrane MicrodomainsMembrane ProteinsMiceMice, Inbred C57BLMice, Inbred NODModels, MolecularPhosphatidylinositol 3-KinasesPhosphatidylinositol PhosphatesPhosphorylationReceptors, Antigen, B-CellRNA-Binding ProteinsSignal TransductionConceptsPI3KCell leukemiaAntiviral effector functionsAntigen-specific antibodiesInterferon-induced transmembrane proteinsIFITM3 functionDevelopment of leukemiaCell surfacePoor outcomeOncogenic PI3KClinical cohortEffector functionsGerminal centersMouse modelB cellsExpression of IFITM3Malignant transformationAccumulation of PIP3PI3K signalsCell receptorNormal numbersLeukemiaDefective expressionEndosomal proteinIFITM3
2009
Pre–B cell receptor–mediated cell cycle arrest in Philadelphia chromosome–positive acute lymphoblastic leukemia requires IKAROS function
Trageser D, Iacobucci I, Nahar R, Duy C, von Levetzow G, Klemm L, Park E, Schuh W, Gruber T, Herzog S, Kim YM, Hofmann WK, Li A, Storlazzi CT, Jäck HM, Groffen J, Martinelli G, Heisterkamp N, Jumaa H, Müschen M. Pre–B cell receptor–mediated cell cycle arrest in Philadelphia chromosome–positive acute lymphoblastic leukemia requires IKAROS function. Journal Of Experimental Medicine 2009, 206: 1739-1753. PMID: 19620627, PMCID: PMC2722172, DOI: 10.1084/jem.20090004.Peer-Reviewed Original ResearchMeSH KeywordsAdaptor Proteins, Signal TransducingAdultAnimalsCell CycleCell Transformation, NeoplasticDown-RegulationGene DeletionGenes, ablHumansIkaros Transcription FactorLeukemia, Prolymphocytic, B-CellMiceMice, KnockoutMice, TransgenicPhiladelphia ChromosomePre-B Cell ReceptorsSignal TransductionConceptsAcute lymphoblastic leukemiaCell cycle arrestPre-B cell receptorCell receptorLymphoblastic leukemiaPre-B cell receptor functionPhiladelphia chromosome-positive acute lymphoblastic leukemiaB-cell lineage acute lymphoblastic leukemiaCycle arrestUnfavorable clinical outcomeBCR-ABL1 tyrosine kinaseB cell precursorsCase of adultsBCR-ABL1 kinaseTumor suppressionClinical outcomesReceptor functionCell precursorsCell receptor functionIkaros functionCell cycle exitDownstream moleculesReceptorsLeukemiaSubtypes