2017
Effective “activated PI3Kδ syndrome”–targeted therapy with the PI3Kδ inhibitor leniolisib
Rao VK, Webster S, Dalm VASH, Šedivá A, van Hagen PM, Holland S, Rosenzweig SD, Christ AD, Sloth B, Cabanski M, Joshi AD, de Buck S, Doucet J, Guerini D, Kalis C, Pylvaenaeinen I, Soldermann N, Kashyap A, Uzel G, Lenardo MJ, Patel DD, Lucas CL, Burkhart C. Effective “activated PI3Kδ syndrome”–targeted therapy with the PI3Kδ inhibitor leniolisib. Blood 2017, 130: 2307-2316. PMID: 28972011, PMCID: PMC5701526, DOI: 10.1182/blood-2017-08-801191.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsChemokinesChildChild, PreschoolClass I Phosphatidylinositol 3-KinasesDemographyDose-Response Relationship, DrugFemaleHumansImmunoglobulin MImmunologic Deficiency SyndromesInfantLymph NodesLymphocyte ActivationMaleMolecular Targeted TherapyMutationOrgan SizePhenotypePrimary Immunodeficiency DiseasesProtein Kinase InhibitorsPyridinesPyrimidinesRatsSpleenT-LymphocytesTOR Serine-Threonine KinasesTransfectionConceptsImmune dysregulationT cellsB cellsElevated serum immunoglobulin MPI3K/Akt pathway activityDose-escalation studyLymph node sizeSenescent T cellsWeeks of treatmentDose-dependent suppressionTransitional B cellsTumor necrosis factorDose-dependent reductionPrecision medicine therapiesSerum immunoglobulin MNaive B cellsT cell blastsAkt pathway activityAPDS patientsPI3Kδ pathwayInflammatory markersPD-1Clinical parametersSpleen volumeImmune deficiency
2011
LAG-3, TGF-β, and cell-intrinsic PD-1 inhibitory pathways contribute to CD8 but not CD4 T-cell tolerance induced by allogeneic BMT with anti-CD40L
Lucas CL, Workman CJ, Beyaz S, LoCascio S, Zhao G, Vignali DA, Sykes M. LAG-3, TGF-β, and cell-intrinsic PD-1 inhibitory pathways contribute to CD8 but not CD4 T-cell tolerance induced by allogeneic BMT with anti-CD40L. Blood 2011, 117: 5532-5540. PMID: 21422469, PMCID: PMC3109721, DOI: 10.1182/blood-2010-11-318675.Peer-Reviewed Original ResearchMeSH KeywordsAdoptive TransferAnimalsAntigens, CDAntigens, SurfaceApoptosis Regulatory ProteinsB7-1 AntigenB7-H1 AntigenBone Marrow TransplantationCD40 LigandCD4-Positive T-LymphocytesCD8-Positive T-LymphocytesCTLA-4 AntigenFemaleImmune ToleranceLymphocyte Activation Gene 3 ProteinMembrane GlycoproteinsMiceMice, Inbred C57BLMice, KnockoutMice, TransgenicModels, ImmunologicalPeptidesProgrammed Cell Death 1 Ligand 2 ProteinProgrammed Cell Death 1 ReceptorSignal TransductionTransforming Growth Factor betaTransplantation, HomologousConceptsT cell toleranceCD4 T cell tolerancePeripheral CD8PD-1LAG-3T cellsCD8 T cell tolerance inductionPD-1/PD-L1 pathwayCD8 T cell tolerancePD-1 inhibitory pathwayT cell tolerance inductionAdoptive transfer studiesAllogeneic BM transplantationPD-L1 pathwayAlloreactive T cellsMixed hematopoietic chimerismT cell-intrinsic requirementB7.1/B7.2Cell-intrinsic requirementTGF-β signalingAllogeneic BMTPD-L1Mixed chimerasPD-L2Tolerance induction
2008
Peripheral deletional tolerance of alloreactive CD8 but not CD4 T cells is dependent on the PD-1/PD-L1 pathway
Haspot F, Fehr T, Gibbons C, Zhao G, Hogan T, Honjo T, Freeman GJ, Sykes M. Peripheral deletional tolerance of alloreactive CD8 but not CD4 T cells is dependent on the PD-1/PD-L1 pathway. Blood 2008, 112: 2149-2155. PMID: 18577709, PMCID: PMC2518911, DOI: 10.1182/blood-2007-12-127449.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntigen-Presenting CellsAntigens, SurfaceApoptosis Regulatory ProteinsB7-1 AntigenB7-H1 AntigenBone Marrow TransplantationCD4-Positive T-LymphocytesCD8-Positive T-LymphocytesFemaleImmune ToleranceLymphocyte ActivationMembrane GlycoproteinsMiceMice, Inbred C57BLMice, KnockoutMice, TransgenicModels, ImmunologicalPeptidesProgrammed Cell Death 1 ReceptorTransplantation, HomologousConceptsPD-1/PD-L1 pathwayPD-L1 pathwayBone marrow transplantationCD4 cellsCD8 cellsAlloreactive CD8PD-1Low-dose total body irradiationAlloreactive T cell populationsAllogeneic bone marrow transplantationAlloreactive CD8 cellsAnti-CD154 antibodyCD8 cell responsesTotal body irradiationCD4 T cellsLigand PD-L1T cell populationsRapid tolerizationCD4 helpDeath-1PD-L1Body irradiationMarrow transplantationActivation markersChronic infection