Circulating tumor-reactive KIR+CD8+ T cells suppress anti-tumor immunity in patients with melanoma
Lu B, Lucca L, Lewis W, Wang J, Nogueira C, Heer S, Rayon-Estrada V, Axisa P, Reeves S, Buitrago-Pocasangre N, Pham G, Kojima M, Wei W, Aizenbud L, Bacchiocchi A, Zhang L, Walewski J, Chiang V, Olino K, Clune J, Halaban R, Kluger Y, Coyle A, Kisielow J, Obermair F, Kluger H, Hafler D. Circulating tumor-reactive KIR+CD8+ T cells suppress anti-tumor immunity in patients with melanoma. Nature Immunology 2024, 1-10. PMID: 39609626, DOI: 10.1038/s41590-024-02023-4.Peer-Reviewed Original ResearchCD8+ T cellsAnti-tumor immunityRegulatory T cellsT cellsSubpopulation of CD8+ T cellsCytotoxic CD8+ T cellsHuman CD8+ T cellsTumor antigen-specific CD8Impaired anti-tumor immunityTumor antigen-specificPoor overall survivalTumor rejectionKIR expressionOverall survivalTumor antigensImmune evasionCellular mediatorsHuman cancersCD8MelanomaTumorTranscriptional programsFunctional heterogeneityImmunityPatientsHLA class-I antigen presentation machinery (APM) alterations mediate immune evasion in lung cancer brain metastases.
Vilariño N, Lopez De Rodas M, Ranjan K, Costantini A, Villalba M, Lu B, Kravitz C, Nadal E, Goldberg S, Nguyen D, Schalper K. HLA class-I antigen presentation machinery (APM) alterations mediate immune evasion in lung cancer brain metastases. Journal Of Clinical Oncology 2024, 42: e14014-e14014. DOI: 10.1200/jco.2024.42.16_suppl.e14014.Peer-Reviewed Original ResearchLung cancer brain metastasisPrimary lung tumorsTumor-infiltrating lymphocytesImmune checkpoint inhibitorsCancer brain metastasesAntigen presentation machineryB2M expressionIFN-gBrain metastasesB2MImmune evasionAssociated with shorter overall survivalMultiplexed quantitative immunofluorescenceM expressionExpression of B2MB2M levelsExpression of pSTAT1Shorter overall survivalUnfavorable clinical featuresNo significant associationAssociated with unfavorable clinical featuresCheckpoint inhibitorsImmunotherapy resistanceProperties of tumorsPresentation machinery