2023
IL-7R licenses a population of epigenetically poised memory CD8+ T cells with superior antitumor efficacy that are critical for melanoma memory
Micevic G, Daniels A, Flem-Karlsen K, Park K, Talty R, McGeary M, Mirza H, Blackburn H, Sefik E, Cheung J, Hornick N, Aizenbud L, Joshi N, Kluger H, Iwasaki A, Bosenberg M, Flavell R. IL-7R licenses a population of epigenetically poised memory CD8+ T cells with superior antitumor efficacy that are critical for melanoma memory. Proceedings Of The National Academy Of Sciences Of The United States Of America 2023, 120: e2304319120. PMID: 37459511, PMCID: PMC10372654, DOI: 10.1073/pnas.2304319120.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntigensCD8-Positive T-LymphocytesHumansImmunologic MemoryLicensureMelanomaMemory T CellsMiceSignal TransductionConceptsIL-7R expressionT cellsIL-7RAntitumor memorySuperior antitumor efficacyCell-based therapiesTumor-specific T cellsAntigen-specific T cellsAntitumor efficacyPowerful antitumor immune responseMarkers of exhaustionTumor-specific CD8Antitumor immune responseIndependent prognostic factorAntitumor immune memoryMemory T cellsMajor risk factorSuperior antitumor activityFunctional CD8Memory CD8Prognostic factorsSurgical resectionAdvanced melanomaLymph nodesNaive mice
2020
Tissue-resident memory T cell reactivation by diverse antigen-presenting cells imparts distinct functional responses
Low JS, Farsakoglu Y, Vesely M, Sefik E, Kelly JB, Harman CCD, Jackson R, Shyer JA, Jiang X, Cauley LS, Flavell RA, Kaech SM. Tissue-resident memory T cell reactivation by diverse antigen-presenting cells imparts distinct functional responses. Journal Of Experimental Medicine 2020, 217: e20192291. PMID: 32525985, PMCID: PMC7398161, DOI: 10.1084/jem.20192291.Peer-Reviewed Original ResearchConceptsMemory T cellsT cellsLung CD8TRM cellsTissue-resident memory T cellsLong-term protective immunityT cell reactivationCell reactivationPortal of infectionCell functional responsesMemory CD8Protective immunityEffector responsesLymphoid organsCD8Distinct functional responsesFunctional responseReactivationCellsAPCActivation kineticsCritical roleResponseInfectionImmunity
2010
Differential effects of STAT5 and PI3K/AKT signaling on effector and memory CD8 T-cell survival
Hand TW, Cui W, Jung YW, Sefik E, Joshi NS, Chandele A, Liu Y, Kaech SM. Differential effects of STAT5 and PI3K/AKT signaling on effector and memory CD8 T-cell survival. Proceedings Of The National Academy Of Sciences Of The United States Of America 2010, 107: 16601-16606. PMID: 20823247, PMCID: PMC2944719, DOI: 10.1073/pnas.1003457107.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCD8-Positive T-LymphocytesCell SurvivalDown-RegulationImmunologic MemoryInterleukin-15Lectins, C-TypeLymphocytic choriomeningitis virusMiceMice, Inbred C57BLMice, Mutant StrainsMice, TransgenicPhosphatidylinositol 3-KinasesProto-Oncogene Proteins c-aktReceptors, CytokineReceptors, ImmunologicSignal TransductionSTAT5 Transcription FactorConceptsCD8 T cell survivalT cell survivalPI3K/AktIL-15IL-7IL-15 receptor expressionAntiviral CD8 T cellsBCL2 expressionCD8 T cellsMemory precursor cellsProtective memory cellsAkt activationJAK/STAT5Effector cell deathEffector cellsHomeostatic proliferationReceptor expressionT cellsConstitutive Akt activationCell growth pathwaysConstitutive STAT5 activationViral infectionSTAT5 phosphorylationPrecursor cellsSurvival