Featured Publications
The β1-adrenergic receptor links sympathetic nerves to T cell exhaustion
Globig A, Zhao S, Roginsky J, Maltez V, Guiza J, Avina-Ochoa N, Heeg M, Araujo Hoffmann F, Chaudhary O, Wang J, Senturk G, Chen D, O’Connor C, Pfaff S, Germain R, Schalper K, Emu B, Kaech S. The β1-adrenergic receptor links sympathetic nerves to T cell exhaustion. Nature 2023, 622: 383-392. PMID: 37731001, PMCID: PMC10871066, DOI: 10.1038/s41586-023-06568-6.Peer-Reviewed Original ResearchConceptsImmune checkpoint blockadeCell exhaustionExhausted CD8Sympathetic nervesT cell exhaustionSympathetic stress responsePancreatic cancer modelAnti-tumor functionCheckpoint blockadeCatecholamine levelsTissue innervationCytokine productionChronic antigenMalignant diseaseChronic infectionCD8Immune responseAdrenergic signalingEffector functionsΒ-blockersViral infectionCancer modelExhausted stateCell responsesCell function
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
2011
A Low T Regulatory Cell Response May Contribute to Both Viral Control and Generalized Immune Activation in HIV Controllers
Hunt PW, Landay AL, Sinclair E, Martinson JA, Hatano H, Emu B, Norris PJ, Busch MP, Martin JN, Brooks C, McCune JM, Deeks SG. A Low T Regulatory Cell Response May Contribute to Both Viral Control and Generalized Immune Activation in HIV Controllers. PLOS ONE 2011, 6: e15924. PMID: 21305005, PMCID: PMC3031543, DOI: 10.1371/journal.pone.0015924.Peer-Reviewed Original ResearchConceptsT cell activation levelsT cell responsesHigh T-cell activation levelsHIV-specific T-cell responsesRegulatory cell responsesHIV controllersImmune activationCell responsesCMV-specific T cellsT regulatory (Treg) cell responsesTreatment-mediated viral suppressionEffective adaptive immune responseCMV-specific CD4Generalized immune activationHIV-specific CD4Lower Treg frequenciesNon-AIDS morbiditiesT cell frequenciesT cell lossT-cell depletionT cell dysfunctionAbsence of therapyActivation levelsAdaptive immune responsesDevelopment of vaccines
2007
Loss of T cell responses following long-term cryopreservation
Owen RE, Sinclair E, Emu B, Heitman JW, Hirschkorn DF, Epling CL, Tan QX, Custer B, Harris JM, Jacobson MA, McCune JM, Martin JN, Hecht FM, Deeks SG, Norris PJ. Loss of T cell responses following long-term cryopreservation. Journal Of Immunological Methods 2007, 326: 93-115. PMID: 17707394, PMCID: PMC2065759, DOI: 10.1016/j.jim.2007.07.012.Peer-Reviewed Original ResearchConceptsT cell IFN-gamma responsesT cell responsesHuman immunodeficiency virusIFN-gamma responsesPeripheral blood mononuclear cellsCell responsesLong-term cryopreservationPeptide poolsHIV-negative individualsBlood mononuclear cellsLoss of responseT cell apoptosisPhenotypic marker expressionDecrement of responseOvernight restingEffector cellsImmunodeficiency virusExogenous antigensMononuclear cellsShort-term cryopreservationHIV peptidesFuture vaccinesImpact of cryopreservationPathogenesis studiesMarker expression