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
2018
HIV and Age Do Not Synergistically Affect Age-Related T-Cell Markers
Farhadian S, Jalbert E, Deng Y, Goetz MB, Park LS, Justice A, Dubrow R, Emu B. HIV and Age Do Not Synergistically Affect Age-Related T-Cell Markers. JAIDS Journal Of Acquired Immune Deficiency Syndromes 2018, 77: 337-344. PMID: 29140874, PMCID: PMC5807137, DOI: 10.1097/qai.0000000000001595.Peer-Reviewed Original ResearchConceptsCD8 T cellsT-cell markersCD4 T cellsHIV infectionT cellsAntiretroviral therapyEffector memory CD4 T cellsImmune systemVeterans Aging Cohort StudyMemory CD4 T cellsNaive CD4 T cellsAging Cohort StudyT cell subsetsT-cell phenotypeCopies/mLCross-sectional studyRace/ethnicityChronic HIVUninfected subjectsUninfected menCohort studyHIV diseaseHigher proportionHIV serostatusHIV status
2014
Composition and Function of T Cell Subpopulations Are Slow to Change Despite Effective Antiretroviral Treatment of HIV Disease
Emu B, Moretto WJ, Hoh R, Krone M, Martin JN, Nixon DF, Deeks SG, McCune JM. Composition and Function of T Cell Subpopulations Are Slow to Change Despite Effective Antiretroviral Treatment of HIV Disease. PLOS ONE 2014, 9: e85613. PMID: 24465619, PMCID: PMC3897457, DOI: 10.1371/journal.pone.0085613.Peer-Reviewed Original ResearchConceptsT cell subpopulationsT cellsCell subpopulationsViral loadCMV-specific T-cell responsesNaïve T cell numbersLong-term viral suppressionIncrease of CD4Effective antiretroviral treatmentT cell frequenciesUndetectable viral loadT cell numbersT-cell depletionT cell responsesT-cell phenotypeNormal immune systemT cell populationsLow Ki67 expressionT cell functionIndependent homeostatic regulationDifferent proliferative responsesAntiretroviral therapyViral suppressionHIV diseaseAntiretroviral treatment
2008
HLA Class I-Restricted T-Cell Responses May Contribute to the Control of Human Immunodeficiency Virus Infection, but Such Responses Are Not Always Necessary for Long-Term Virus Control
Emu B, Sinclair E, Hatano H, Ferre A, Shacklett B, Martin JN, McCune JM, Deeks SG. HLA Class I-Restricted T-Cell Responses May Contribute to the Control of Human Immunodeficiency Virus Infection, but Such Responses Are Not Always Necessary for Long-Term Virus Control. Journal Of Virology 2008, 82: 5398-5407. PMID: 18353945, PMCID: PMC2395228, DOI: 10.1128/jvi.02176-07.Peer-Reviewed Original ResearchMeSH KeywordsAllelesCD4-Positive T-LymphocytesCD8-Positive T-LymphocytesHealthHistocompatibility Antigens Class IHIV InfectionsHIV-1HumansInterferon-gammaInterleukin-2Time FactorsConceptsT cell responsesHLA class IElite controllersT cellsViremic controllersVirus controlClass IInterleukin-2HIV-specific T-cell responsesT cell-mediated controlUndetectable HIV RNA levelsHuman immunodeficiency virus (HIV) infectionHLA class I allelesProtective class IHIV RNA levelsHLA class I polymorphismImmunodeficiency virus infectionLong-term virus controlCell-mediated controlHuman immunodeficiency virusClass I allelesClass I polymorphismAntiretroviral therapyHIV controllersHIV transmission
2005
Phenotypic, Functional, and Kinetic Parameters Associated with Apparent T-Cell Control of Human Immunodeficiency Virus Replication in Individuals with and without Antiretroviral Treatment
Emu B, Sinclair E, Favre D, Moretto WJ, Hsue P, Hoh R, Martin JN, Nixon DF, McCune JM, Deeks SG. Phenotypic, Functional, and Kinetic Parameters Associated with Apparent T-Cell Control of Human Immunodeficiency Virus Replication in Individuals with and without Antiretroviral Treatment. Journal Of Virology 2005, 79: 14169-14178. PMID: 16254352, PMCID: PMC1280210, DOI: 10.1128/jvi.79.22.14169-14178.2005.Peer-Reviewed Original ResearchConceptsHIV-specific T cellsT cellsT cell activationHIV diseaseImmune activationHuman immunodeficiency virus (HIV) replicationAdvanced HIV diseaseDrug-resistant viremiaGeneralized immune activationHIV-specific ILMultidrug-resistant HIVQuiescent immune systemActive antiretroviral therapyCytokine flow cytometryT cell controlHigh-level viremiaLow-level viremiaPresence of HIVT cell subsetsHuman immunodeficiency virusImmunodeficiency virus replicationT cell subpopulationsAbsence of therapyPresence of therapyAntiretroviral therapy