2023
CTLA-4 tail fusion enhances CAR-T antitumor immunity
Zhou X, Cao H, Fang S, Chow R, Tang K, Majety M, Bai M, Dong M, Renauer P, Shang X, Suzuki K, Levchenko A, Chen S. CTLA-4 tail fusion enhances CAR-T antitumor immunity. Nature Immunology 2023, 24: 1499-1510. PMID: 37500885, PMCID: PMC11344484, DOI: 10.1038/s41590-023-01571-5.Peer-Reviewed Original ResearchConceptsCytoplasmic tailSingle-cell RNA sequencingRNA sequencingC-terminusTail fusionCell engineering techniquesAntigen receptorFurther characterizationCytometry analysisSurface expressionCAR functionLow surface expressionCellsUnique strategyT cellsPowerful therapeuticsFusionEndocytosisLeukemia modelTerminusTailSequencingPhenotypeReduced activationEngineering techniques
2019
Multiplexed activation of endogenous genes by CRISPRa elicits potent antitumor immunity
Wang G, Chow RD, Bai Z, Zhu L, Errami Y, Dai X, Dong MB, Ye L, Zhang X, Renauer PA, Park JJ, Shen L, Ye H, Fuchs CS, Chen S. Multiplexed activation of endogenous genes by CRISPRa elicits potent antitumor immunity. Nature Immunology 2019, 20: 1494-1505. PMID: 31611701, PMCID: PMC6858551, DOI: 10.1038/s41590-019-0500-4.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntigen PresentationAntigens, NeoplasmCancer VaccinesCell Line, TumorClustered Regularly Interspaced Short Palindromic RepeatsCoculture TechniquesCombined Modality TherapyDependovirusDisease Models, AnimalFemaleGene Expression Regulation, NeoplasticGenetic TherapyGenetic VectorsHEK293 CellsHumansImmunotherapyInjections, IntralesionalLymphocytes, Tumor-InfiltratingMaleMiceNeoplasmsT-Lymphocytes, CytotoxicTumor MicroenvironmentConceptsAntitumor immunityImmune responseCell-based vaccination strategiesElicits potent antitumor immunityEnhanced T cell infiltrationElicit potent immune responsesCurrent immunotherapy modalitiesStrong antitumor immunityAntitumor immune responseT cell infiltrationPotent antitumor immunityPotent immune responsesAntitumor immune signaturesMultiple cancer typesImmune signaturesImmunotherapy modalitiesTreatment modalitiesCell infiltrationVaccination strategiesTumor antigensVirus deliveryTumor microenvironmentImmunotherapyCancer typesCancer treatmentSystematic Immunotherapy Target Discovery Using Genome-Scale In Vivo CRISPR Screens in CD8 T Cells
Dong MB, Wang G, Chow RD, Ye L, Zhu L, Dai X, Park JJ, Kim HR, Errami Y, Guzman CD, Zhou X, Chen KY, Renauer PA, Du Y, Shen J, Lam SZ, Zhou JJ, Lannin DR, Herbst RS, Chen S. Systematic Immunotherapy Target Discovery Using Genome-Scale In Vivo CRISPR Screens in CD8 T Cells. Cell 2019, 178: 1189-1204.e23. PMID: 31442407, PMCID: PMC6719679, DOI: 10.1016/j.cell.2019.07.044.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBreast NeoplasmsCD8-Positive T-LymphocytesCell Line, TumorClustered Regularly Interspaced Short Palindromic RepeatsCytokinesFemaleHumansImmunologic MemoryImmunotherapyMaleMiceMice, KnockoutNF-kappa BProgrammed Cell Death 1 ReceptorRNA HelicasesRNA, Guide, CRISPR-Cas SystemsTranscriptomeConceptsCRISPR screensTarget discoveryGenome-scale CRISPR screensCD8 TRNA helicase DHX37Vivo CRISPR screensGenetic screenGenome scaleTranscriptomic profilingBiochemical interrogationAntigen-specific CD8 TAnti-tumor immune responseFunctional regulatorTriple-negative breast cancerDHX37Essential roleTim-3PD-1Cytokine productionTumor infiltrationImmunotherapy targetImmunotherapy settingsRegulatorBreast cancerT cells