2024
Intestinal tuft cell immune privilege enables norovirus persistence
Strine M, Fagerberg E, Darcy P, Barrón G, Filler R, Alfajaro M, D'Angelo-Gavrish N, Wang F, Graziano V, Menasché B, Damo M, Wang Y, Howitt M, Lee S, Joshi N, Mucida D, Wilen C. Intestinal tuft cell immune privilege enables norovirus persistence. Science Immunology 2024, 9: eadi7038. PMID: 38517952, DOI: 10.1126/sciimmunol.adi7038.Peer-Reviewed Original ResearchConceptsCD8<sup>+</sup> T cellsIntestinal tuft cellsT cellsTufted cellsViral persistenceSite of viral persistenceChemosensory epithelial cellsNormal antigen presentationImmune-privileged nicheIntestinal stem cellsMemory phenotypeImmune privilegeImmune escapeReporter miceAntigen presentationChronic infectionCytotoxic capacityEpithelial cellsNorovirus infectionStem cellsCell interactionsInfectionCell survivalEnteric microbesCells
2023
Cancer- and infection-induced T cell exhaustion are distinct
Buck J, Joshi N. Cancer- and infection-induced T cell exhaustion are distinct. Nature Immunology 2023, 24: 1604-1605. PMID: 37709988, DOI: 10.1038/s41590-023-01624-9.Peer-Reviewed Original ResearchScRNA-seq defines dynamic T-cell subsets in longitudinal colon and peripheral blood samples in immune checkpoint inhibitor-induced colitis
Mann J, Lucca L, Austin M, Merkin R, Robert M, Al Bawardy B, Raddassi K, Aizenbud L, Joshi N, Hafler D, Abraham C, Herold K, Kluger H. ScRNA-seq defines dynamic T-cell subsets in longitudinal colon and peripheral blood samples in immune checkpoint inhibitor-induced colitis. Journal For ImmunoTherapy Of Cancer 2023, 11: e007358. PMID: 37586769, PMCID: PMC10432652, DOI: 10.1136/jitc-2023-007358.Peer-Reviewed Original ResearchConceptsImmune checkpoint inhibitorsT cell subsetsCheckpoint inhibitorsImmune environmentImmune checkpoint inhibitor-induced colitisCheckpoint inhibitor-induced colitisPeripheral immune environmentsStages of colitisTreatment of colitisMerkel cell carcinomaT cell populationsPeripheral blood samplesCourse of progressionT cell receptorMultiple tumor typesAlternative cancer therapyCommon toxicitiesICI colitisTreatment discontinuationAdverse eventsBiologic therapyImmune suppressionCell carcinomaColitisBlood samplesPD-1 maintains CD8 T cell tolerance towards cutaneous neoantigens
Damo M, Hornick N, Venkat A, William I, Clulo K, Venkatesan S, He J, Fagerberg E, Loza J, Kwok D, Tal A, Buck J, Cui C, Singh J, Damsky W, Leventhal J, Krishnaswamy S, Joshi N. PD-1 maintains CD8 T cell tolerance towards cutaneous neoantigens. Nature 2023, 619: 151-159. PMID: 37344588, PMCID: PMC10989189, DOI: 10.1038/s41586-023-06217-y.Peer-Reviewed Original ResearchConceptsEffector CD8 T cellsCD8 T cellsAntigen-specific effector CD8 T cellsAntigen-specific CD8 T cellsAntigen-expressing cellsT cell tolerancePD-1T cellsAdverse eventsCell toleranceCD8 T cell toleranceImmune-related adverse eventsPeripheral T cell repertoirePeripheral T cell toleranceNon-lesional skinT cell repertoireT-cell antigensPeripheral toleranceCheckpoint receptorsSkin biopsiesLocal infiltrationLocal pathologyCell repertoireMouse modelSkin toleranceT follicular helper cells in cancer, tertiary lymphoid structures, and beyond
Cui C, Craft J, Joshi N. T follicular helper cells in cancer, tertiary lymphoid structures, and beyond. Seminars In Immunology 2023, 69: 101797. PMID: 37343412, DOI: 10.1016/j.smim.2023.101797.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsTumor-associated tertiary lymphoid structuresFollicular helper cellsCD8 T cellsTertiary lymphoid structuresSecondary lymphoid organsT cellsHelper cellsLymphoid structuresImmune cellsB cellsCD4 T follicular helper cellsT Follicular Helper CellsTumor-infiltrating immune cellsCurrent immunotherapy regimensCheckpoint blockade immunotherapyCD4 T cellsImmune cell componentsLimited response rateFunctional immune cellsNovel therapeutic targetPotential therapeutic benefitT cell-B cell interactionsBlockade immunotherapyImmunotherapy regimensLymphoid organs
2021
Neoantigen-driven B cell and CD4 T follicular helper cell collaboration promotes anti-tumor CD8 T cell responses
Cui C, Wang J, Fagerberg E, Chen PM, Connolly KA, Damo M, Cheung JF, Mao T, Askari AS, Chen S, Fitzgerald B, Foster GG, Eisenbarth SC, Zhao H, Craft J, Joshi NS. Neoantigen-driven B cell and CD4 T follicular helper cell collaboration promotes anti-tumor CD8 T cell responses. Cell 2021, 184: 6101-6118.e13. PMID: 34852236, PMCID: PMC8671355, DOI: 10.1016/j.cell.2021.11.007.Peer-Reviewed Original ResearchConceptsCD8 TB cellsTfh cellsLung adenocarcinomaTfh-B cell interactionsTumor-specific B cellsFollicular helper cellsAnti-tumor immunityB cell signaturesCell effector functionsGerminal center formationGC B cellsCD4 THelper cellsTumor controlTumor neoantigensEffector functionsCell collaborationCell responsesCell signatureTumor cellsSignature correlatesNeoantigensCell functionCD4
2020
Inducible de novo expression of neoantigens in tumor cells and mice
Damo M, Fitzgerald B, Lu Y, Nader M, William I, Cheung JF, Connolly KA, Foster GG, Akama-Garren E, Lee DY, Chang GP, Gocheva V, Schmidt LM, Boileve A, Wilson JH, Cui C, Monroy I, Gokare P, Cabeceiras P, Jacks T, Joshi NS. Inducible de novo expression of neoantigens in tumor cells and mice. Nature Biotechnology 2020, 39: 64-73. PMID: 32719479, PMCID: PMC7854852, DOI: 10.1038/s41587-020-0613-1.Peer-Reviewed Original ResearchConceptsT cell responsesLevel of regulationRNA splicingDNA recombinationGenetic regulationTolerance mechanismsInducible expressionNeoantigen expressionCell responsesNaïve T-cell responsesCD4 T cell responsesTumor cell linesPeripheral tolerance mechanismsT cell toleranceCentral T cell toleranceCell linesExpressionNovo expressionTight controlEndogenous CD8Antitumor immunityPeripheral toleranceAutoimmune diseasesT cellsThymus results
2016
A Modular Assembly Platform for Rapid Generation of DNA Constructs
Akama-Garren EH, Joshi NS, Tammela T, Chang GP, Wagner BL, Lee DY, Rideout III W, Papagiannakopoulos T, Xue W, Jacks T. A Modular Assembly Platform for Rapid Generation of DNA Constructs. Scientific Reports 2016, 6: 16836. PMID: 26887506, PMCID: PMC4757859, DOI: 10.1038/srep16836.Peer-Reviewed Original ResearchConceptsAssembly platformDNA constructsInducible lentiviral systemCollection of promotersGeneration of knockTraditional cloning methodsGenetic screenRecombinant DNA technologyRNAi constructsGenomic elementsGenetic toolsSynthetic biologySynthetic promotersDNA fragmentsCloning methodGenetic componentDNA technologyTumor initiationLentiviral systemOne-step productionViral constructsPromoterRapid generationGMAPAssembly