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 ResearchMeSH KeywordsCD4-Positive T-LymphocytesCOVID-19HumansPlasma CellsProgrammed Cell Death 1 ReceptorReceptors, CXCR3Receptors, CXCR5T-Lymphocytes, Helper-InducerConceptsAcute 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
2021
The double-edged sword: Harnessing PD-1 blockade in tumor and autoimmunity
Kuchroo JR, Hafler DA, Sharpe AH, Lucca LE. The double-edged sword: Harnessing PD-1 blockade in tumor and autoimmunity. Science Immunology 2021, 6: eabf4034. PMID: 34739340, DOI: 10.1126/sciimmunol.abf4034.Peer-Reviewed Original ResearchConceptsImmune-related adverse eventsPD-1 blockadeRegulatory T cell functionImmune checkpoint blockadeCheckpoint blockade immunotherapyT cell responsesT cell functionBlockade immunotherapyAdverse eventsAntitumor immunityCheckpoint blockadeCell responsesBlockadeCell functionAutoimmunityMechanistic featuresEdged swordImmunotherapyTumorsCancerImmunity
2017
Functional differences between PD-1+ and PD-1- CD4+ effector T cells in healthy donors and patients with glioblastoma multiforme
Goods BA, Hernandez AL, Lowther DE, Lucca LE, Lerner BA, Gunel M, Raddassi K, Coric V, Hafler DA, Love JC. Functional differences between PD-1+ and PD-1- CD4+ effector T cells in healthy donors and patients with glioblastoma multiforme. PLOS ONE 2017, 12: e0181538. PMID: 28880903, PMCID: PMC5589094, DOI: 10.1371/journal.pone.0181538.Peer-Reviewed Original ResearchConceptsImmune checkpoint inhibitorsPD-1 expressionEffector T cellsPD-1Effector cellsGlioblastoma multiformeCheckpoint inhibitorsTim-3T cellsHealthy subjectsCell death protein 1Features of exhaustionDeath protein 1T cell compartmentContext of GBMRecovery of functionCD4 effectorsCD4 cellsRNA sequencingTreatment of cancerHealthy donorsGBM patientsBrain cancerCD4Tumors
2008
TIMs: central regulators of immune responses
Hafler DA, Kuchroo V. TIMs: central regulators of immune responses. Journal Of Experimental Medicine 2008, 205: 2699-2701. PMID: 19015312, PMCID: PMC2585854, DOI: 10.1084/jem.20082429.Peer-Reviewed Original ResearchConceptsExhausted T cellsT cell exhaustionHIV infectionPD-1T cellsCell exhaustionMucin domain-containing protein 3Chronic HIV infectionChronic viral infectionsHuman HIV infectionT cell responsesChronic viral diseasesT-cell immunoglobulinDomain-containing protein 3Novel therapeutic targetTim-3Opportunistic infectionsCell immunoglobulinImmune responseTherapeutic targetViral infectionCell responsesProtein 3InfectionViral diseases
2004
PD-1 ligands, negative regulators for activation of naïve, memory, and recently activated human CD4+ T cells
Cai G, Karni A, Oliveira EM, Weiner HL, Hafler DA, Freeman GJ. PD-1 ligands, negative regulators for activation of naïve, memory, and recently activated human CD4+ T cells. Cellular Immunology 2004, 230: 89-98. PMID: 15598424, DOI: 10.1016/j.cellimm.2004.09.004.Peer-Reviewed Original ResearchConceptsPD-1 ligand blockadeT cellsPD-L1Myelin basic proteinPD-L2Human CD4Ex vivo dendritic cellsVivo dendritic cellsPD-1 ligandsPD-1 pathwayPrimary responseActivation of naïveNaive T cellsPD-1Dendritic cellsCytokine productionNormal donorsIFN-gammaSecondary responseCD4BlockadeHigh expressionNegative regulatory pathwaysInduced activationBasic protein