2011
CD4+ T cells support cytotoxic T lymphocyte priming by controlling lymph node input
Kumamoto Y, Mattei LM, Sellers S, Payne GW, Iwasaki A. CD4+ T cells support cytotoxic T lymphocyte priming by controlling lymph node input. Proceedings Of The National Academy Of Sciences Of The United States Of America 2011, 108: 8749-8754. PMID: 21555577, PMCID: PMC3102372, DOI: 10.1073/pnas.1100567108.Peer-Reviewed Original ResearchConceptsT cellsDendritic cellsCytotoxic T-lymphocyte primingT lymphocyte responsesAntigen-specific CTLsT lymphocyte primingSecondary lymphoid organsT cell helpCD40-dependent mannerNaïve B cellsCognate CTLsAcute infectionLymph nodesLymphocyte primingLymphocyte responsesLymphocyte recruitmentCTL expansionLymphoid organsImmune responseNaïve precursorsB cellsImmune systemReactive LNsIntracellular pathogensInfection
2009
Cholera toxin inhibits IL-12 production and CD8α+ dendritic cell differentiation by cAMP-mediated inhibition of IRF8 function
la Sala A, He J, Laricchia-Robbio L, Gorini S, Iwasaki A, Braun M, Yap GS, Sher A, Ozato K, Kelsall B. Cholera toxin inhibits IL-12 production and CD8α+ dendritic cell differentiation by cAMP-mediated inhibition of IRF8 function. Journal Of Experimental Medicine 2009, 206: 1227-1235. PMID: 19487420, PMCID: PMC2715075, DOI: 10.1084/jem.20080912.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCD8 AntigensCD8-Positive T-LymphocytesCell DifferentiationCells, CulturedCholera ToxinCyclic AMPDendritic CellsFemaleGTP-Binding Protein alpha Subunits, GsHumansInterferon Regulatory Factor-1Interferon Regulatory FactorsInterferon-gammaInterleukin-12Interleukin-12 Subunit p40MiceMice, Inbred BALB CSpleenToxoplasmosisConceptsIL-12 productionDendritic cellsPlasmacytoid DCsCholera toxinSerum IL-12 levelsIL-12 levelsPlasmacytoid dendritic cellsConventional dendritic cellsIL-12p40 promoterDendritic cell differentiationConventional DCsP40 gene expressionBone marrow cellsInterferon regulatory factor 8Regulatory factor 8Th1 responseDC differentiationIL-12p35Lymphoid organsToxoplasma gondiiMarrow cellsDibutyryl cAMPIRF8Factor 8Common mechanism
2005
Innate control of adaptive immunity via remodeling of lymph node feed arteriole
Soderberg KA, Payne GW, Sato A, Medzhitov R, Segal SS, Iwasaki A. Innate control of adaptive immunity via remodeling of lymph node feed arteriole. Proceedings Of The National Academy Of Sciences Of The United States Of America 2005, 102: 16315-16320. PMID: 16260739, PMCID: PMC1283434, DOI: 10.1073/pnas.0506190102.Peer-Reviewed Original ResearchConceptsLymph nodesNaïve lymphocytesAdaptive immunityInnate controlFeed arteriolesLocal lymph nodesSecondary lymphoid organsAntigen-specific stimulationInnate immune recognitionAntigen-specific lymphocytesPathogen-derived antigensAdaptive immune systemCognate lymphocytesLymphocyte recruitmentLymphoid organsForeign antigensImmune recognitionImmune systemCognate antigenLymphocytesVascular inputRare antigen-specific lymphocytesAntigenArteriolesImmunity
2003
CD11b+ Peyer’s Patch Dendritic Cells Secrete IL-6 and Induce IgA Secretion from Naive B Cells
Sato A, Hashiguchi M, Toda E, Iwasaki A, Hachimura S, Kaminogawa S. CD11b+ Peyer’s Patch Dendritic Cells Secrete IL-6 and Induce IgA Secretion from Naive B Cells. The Journal Of Immunology 2003, 171: 3684-3690. PMID: 14500666, DOI: 10.4049/jimmunol.171.7.3684.Peer-Reviewed Original ResearchConceptsPP dendritic cellsNaive B cellsDendritic cellsIL-6B cellsIgA secretionDC subsetsIgA productionPeyer's patch dendritic cellsSecrete IL-6Exogenous IL-6Cell coculture systemDC populationsLymphoid organsCytokine secretionAb productionT cellsHigh levelsSpleenSecretionCoculture systemCellsIgAUnique roleDistinct capacities
2002
The CXC Chemokine Murine Monokine Induced by IFN-γ (CXC Chemokine Ligand 9) Is Made by APCs, Targets Lymphocytes Including Activated B Cells, and Supports Antibody Responses to a Bacterial Pathogen In Vivo
Park MK, Amichay D, Love P, Wick E, Liao F, Grinberg A, Rabin RL, Zhang HH, Gebeyehu S, Wright TM, Iwasaki A, Weng Y, DeMartino JA, Elkins KL, Farber JM. The CXC Chemokine Murine Monokine Induced by IFN-γ (CXC Chemokine Ligand 9) Is Made by APCs, Targets Lymphocytes Including Activated B Cells, and Supports Antibody Responses to a Bacterial Pathogen In Vivo. The Journal Of Immunology 2002, 169: 1433-1443. PMID: 12133969, DOI: 10.4049/jimmunol.169.3.1433.Peer-Reviewed Original ResearchConceptsT cellsActivated B cellsB cellsDendritic cellsIFN-gammaIntracellular bacterium Francisella tularensis live vaccine strainChemotactic factorsCell activationFrancisella tularensis live vaccine strainRole of MIGT cell infiltrationTularensis live vaccine strainOptimal humoral responsesLive vaccine strainT cell activationB cell activationHuman T cellsReceptor CXCR3Humoral responseCell infiltrationLymphoid organsTarget lymphocytesCXC chemokinesInflammatory reactionPeripheral tissues