2023
PD-1highCXCR5–CD4+ peripheral helper T cells promote CXCR3+ plasmablasts in human acute viral infection
Asashima H, Mohanty S, Comi M, Ruff W, Hoehn K, Wong P, Klein J, Lucas C, Cohen I, Coffey S, Lele N, Greta L, Raddassi K, Chaudhary O, Unterman A, Emu B, Kleinstein S, Montgomery R, Iwasaki A, Dela Cruz C, Kaminski N, Shaw A, Hafler D, Sumida T. PD-1highCXCR5–CD4+ peripheral helper T cells promote CXCR3+ plasmablasts in human acute viral infection. Cell Reports 2023, 42: 111895. PMID: 36596303, PMCID: PMC9806868, DOI: 10.1016/j.celrep.2022.111895.Peer-Reviewed Original ResearchConceptsAcute viral infectionTph cellsViral infectionCXCR3 expressionClinical outcomesHelper TSevere viral infectionsB cell helpBetter clinical outcomesProtective humoral immunityT cell-B cell interactionsKey immune responsesPlasmablast expansionB cell differentiationCell subsetsHumoral immunityCell helpImmune responseInterferon γPlasmablast differentiationB cellsPlasmablastsCell responsesInfectionCD4
2018
Critical role of CD4+ T cells and IFNγ signaling in antibody-mediated resistance to Zika virus infection
Lucas CGO, Kitoko JZ, Ferreira FM, Suzart VG, Papa MP, Coelho SVA, Cavazzoni CB, Paula-Neto HA, Olsen PC, Iwasaki A, Pereira RM, Pimentel-Coelho PM, Vale AM, de Arruda LB, Bozza MT. Critical role of CD4+ T cells and IFNγ signaling in antibody-mediated resistance to Zika virus infection. Nature Communications 2018, 9: 3136. PMID: 30087337, PMCID: PMC6081430, DOI: 10.1038/s41467-018-05519-4.Peer-Reviewed Original ResearchConceptsT cellsZika virusMurine adoptive transfer modelParticipation of CD4Adoptive transfer modelT cell responsesImportance of CD4Protective adaptive immunityRapid disease onsetZika virus infectionFuture vaccine designAntibody-mediated resistanceCytotoxic CD8Viral loadZIKV infectionAntibody responsePrimary infectionRecipient miceDisease onsetVirus infectionProtective effectAdaptive immunityIFNγ signalingCD4B lymphocytesPublisher Correction: Antiviral CD8 T cells induce Zika-virus-associated paralysis in mice
Jurado K, Yockey L, Wong P, Lee S, Huttner A, Iwasaki A. Publisher Correction: Antiviral CD8 T cells induce Zika-virus-associated paralysis in mice. Nature Microbiology 2018, 3: 255-255. DOI: 10.1038/s41564-017-0101-7.Peer-Reviewed Original Research
2017
Immune Regulation of Antibody Access to Neuronal Tissues
Iwasaki A. Immune Regulation of Antibody Access to Neuronal Tissues. Trends In Molecular Medicine 2017, 23: 227-245. PMID: 28185790, PMCID: PMC5626569, DOI: 10.1016/j.molmed.2017.01.004.Peer-Reviewed Original ResearchConceptsBlood-brain barrierBlood-nerve barrierAdaptive immune systemImmune systemAntibody accessInnate immune controlUse of vaccinesImmune controlNeurotropic virusesCancer immunotherapyImmune regulationImmune surveillanceT cellsTAM receptorsNeurodegenerative conditionsAlzheimer's diseaseNeuronal tissueNeural tissueDiseaseTissueNovel insightsSuch novel insightsImmunotherapyCD4Cells
2016
Access of protective antiviral antibody to neuronal tissues requires CD4 T-cell help
Iijima N, Iwasaki A. Access of protective antiviral antibody to neuronal tissues requires CD4 T-cell help. Nature 2016, 533: 552-556. PMID: 27225131, PMCID: PMC4883597, DOI: 10.1038/nature17979.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntibodies, ViralBiological TransportBlood-Brain BarrierB-LymphocytesCapillary PermeabilityCD4-Positive T-LymphocytesDisease Models, AnimalFemaleGanglia, SpinalHerpes GenitalisHerpesvirus 2, HumanHistocompatibility Antigens Class IImmunologic MemoryIntegrin alpha4Interferon-gammaMiceNerve TissueNervous SystemNeuronsNoseReceptors, FcSpinal CordVesiculovirus
2014
A local macrophage chemokine network sustains protective tissue-resident memory CD4 T cells
Iijima N, Iwasaki A. A local macrophage chemokine network sustains protective tissue-resident memory CD4 T cells. Science 2014, 346: 93-98. PMID: 25170048, PMCID: PMC4254703, DOI: 10.1126/science.1257530.Peer-Reviewed Original ResearchConceptsMemory lymphocyte clustersMemory T cellsT cellsCD8 tissue-resident memory T cellsTissue-resident memory CD4 T cellsHerpes simplex virus 2 infectionTissue-resident memory T cellsSimplex virus 2 infectionMemory CD4 T cellsEfficient local controlPool of CD4Role of CD4CD4 T cellsVirus 2 infectionVaginal CD4Parabiotic miceGenital mucosaVaccine strategiesChemokine networkLymphocyte clustersHSV-2Viral infectionCD4Local controlInfection
2012
Unique features of antiviral immune system of the vaginal mucosa
Kumamoto Y, Iwasaki A. Unique features of antiviral immune system of the vaginal mucosa. Current Opinion In Immunology 2012, 24: 411-416. PMID: 22673876, PMCID: PMC3423557, DOI: 10.1016/j.coi.2012.05.006.Peer-Reviewed Original ResearchConceptsVaginal mucosaVirus-specific CD4Development of vaccinesAntiviral immune systemHuman papillomavirusGenital tractT cellsImmune responseAdaptive immunityHuman vaccinesMucosal organsImmune systemVaccineAntiviral defenseMucosaVaginaVirusRecent studiesWide spectrumVast majorityCurrent understandingCD8CD4PapillomavirusImmunobiology
2009
CD8+ T lymphocyte mobilization to virus-infected tissue requires CD4+ T-cell help
Nakanishi Y, Lu B, Gerard C, Iwasaki A. CD8+ T lymphocyte mobilization to virus-infected tissue requires CD4+ T-cell help. Nature 2009, 462: 510-513. PMID: 19898495, PMCID: PMC2789415, DOI: 10.1038/nature08511.Peer-Reviewed Original ResearchConceptsT cell helpT cellsRecruitment of CD8Activity of CD4T lymphocyte responsesT helper cellsSecretion of interferonLymphocyte mobilizationCD4 helpCTL responsesCytotoxic CD8Lymphocyte responsesMucosal sitesChemokine secretionHelper cellsVirus-infected tissuesViral infectionCD4CD8Intracellular pathogensSecretionUnrecognized aspectsCellsInterferonInfection