2016
CD301b+ dendritic cells suppress T follicular helper cells and antibody responses to protein antigens
Kumamoto Y, Hirai T, Wong PW, Kaplan DH, Iwasaki A. CD301b+ dendritic cells suppress T follicular helper cells and antibody responses to protein antigens. ELife 2016, 5: e17979. PMID: 27657168, PMCID: PMC5033605, DOI: 10.7554/elife.17979.Peer-Reviewed Original ResearchDendritic cellsAntibody responsePD-L1Protein antigensBlocking PD-1Follicular helper cellsPD-1 ligandsStrong antibody responseWild-type miceGerminal center B cellsTfh cellsPD-1Cell primingIgG responsesHelper cellsPD-L2Autoantibody generationSuccessful vaccineCD301bB cellsTransient depletionAntigenMiceAntibodiesNovel regulatory mechanismAXL receptor tyrosine kinase is required for T cell priming and antiviral immunity
Schmid ET, Pang IK, Silva E, Bosurgi L, Miner JJ, Diamond MS, Iwasaki A, Rothlin CV. AXL receptor tyrosine kinase is required for T cell priming and antiviral immunity. ELife 2016, 5: e12414. PMID: 27350258, PMCID: PMC4924996, DOI: 10.7554/elife.12414.Peer-Reviewed Original ResearchConceptsType I IFNsI IFNsI interferonDendritic cellsIL-1βAntiviral T cell immunityAntiviral adaptive immunityPotent immunosuppressive functionT cell immunityT cell primingInhibition of AXLType I IFN receptorAxl receptor tyrosine kinaseReceptor tyrosine kinase AXLControl of infectionType I interferonI IFN receptorTyrosine kinase AXLDC maturationCell immunityWest Nile virusCell primingImmunosuppressive functionImmunosuppressive effectsAdaptive immunity
2010
Recruited inflammatory monocytes stimulate antiviral Th1 immunity in infected tissue
Iijima N, Mattei LM, Iwasaki A. Recruited inflammatory monocytes stimulate antiviral Th1 immunity in infected tissue. Proceedings Of The National Academy Of Sciences Of The United States Of America 2010, 108: 284-289. PMID: 21173243, PMCID: PMC3017177, DOI: 10.1073/pnas.1005201108.Peer-Reviewed Original ResearchMeSH KeywordsAdoptive TransferAnimalsAntigen-Presenting CellsCell DifferentiationCytokinesEnzyme-Linked Immunospot AssayFemaleFluorescein-5-isothiocyanateHerpes GenitalisHerpesvirus 2, HumanInterferon-gammaMiceMice, Inbred C57BLMice, KnockoutMonocytesReceptor, Interferon alpha-betaReceptors, CCR2Th1 CellsConceptsMonocyte-derived APCTh1 immunityInflammatory monocytesTh1 cellsCD4 T cell primingHerpes simplex virus 2Effector Th1 cellsMemory Th1 cellsPrimary mucosal infectionSecondary viral challengeT cell primingIFN-γ secretionSimplex virus 2Signs of infectionImportance of monocytesAPC subsetsCell primingDendritic cellsMucosal infectionsViral challengePeripheral tissuesMucosal tissuesAntiviral protectionMonocytesInfectionIn Vivo Requirement for Atg5 in Antigen Presentation by Dendritic Cells
Lee HK, Mattei LM, Steinberg BE, Alberts P, Lee YH, Chervonsky A, Mizushima N, Grinstein S, Iwasaki A. In Vivo Requirement for Atg5 in Antigen Presentation by Dendritic Cells. Immunity 2010, 32: 227-239. PMID: 20171125, PMCID: PMC2996467, DOI: 10.1016/j.immuni.2009.12.006.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntigen PresentationAutophagy-Related Protein 5Cells, CulturedDendritic CellsFemaleHerpes SimplexHerpesvirus 2, HumanHistocompatibility Antigens Class IILymphocyte ActivationMiceMice, Inbred C57BLMice, KnockoutMicrotubule-Associated ProteinsRadiation ChimeraRNA, Small InterferingConceptsMHC-II presentationMHC class IIDendritic cellsAntigen presentationClass IIHerpes simplex virus infectionToll-like receptor stimuliT cell primingSimplex virus infectionCell primingAbsence of ATG5Microbial antigensVirus infectionMHC ICytosolic antigensConditional deletionAntigenReceptor stimuliAutophagic machineryKey autophagy genesRapid diseasePresentationATG5Lysosome fusionAutophagy genes
2009
Differential roles of migratory and resident DCs in T cell priming after mucosal or skin HSV-1 infection
Lee HK, Zamora M, Linehan MM, Iijima N, Gonzalez D, Haberman A, Iwasaki A. Differential roles of migratory and resident DCs in T cell priming after mucosal or skin HSV-1 infection. Journal Of Experimental Medicine 2009, 206: 359-370. PMID: 19153243, PMCID: PMC2646574, DOI: 10.1084/jem.20080601.Peer-Reviewed Original ResearchConceptsResident dendritic cellsCD8 T cellsDendritic cellsHSV-1 infectionT cellsEpicutaneous infectionAntigen presentationLymph node-resident dendritic cellsHSV-specific T cellsCD4 T cell responsesNeedle injectionHerpes simplex virus 1 (HSV-1) infectionSimplex virus 1 infectionT cell primingT cell responsesVirus-1 infectionMode of infectionDC populationsCell primingVaginal infectionsImmune responseMucosal tissuesMucosal surfacesHSV-1Cell responses