2024
Digital spatial proteomic profiling reveals immune checkpoints as biomarkers in lymphoid aggregates and tumor microenvironment of desmoplastic melanoma
Su D, Schoenfeld D, Ibrahim W, Cabrejo R, Djureinovic D, Baumann R, Rimm D, Khan S, Halaban R, Kluger H, Olino K, Galan A, Clune J. Digital spatial proteomic profiling reveals immune checkpoints as biomarkers in lymphoid aggregates and tumor microenvironment of desmoplastic melanoma. Journal For ImmunoTherapy Of Cancer 2024, 12: e008646. PMID: 38519058, PMCID: PMC10961546, DOI: 10.1136/jitc-2023-008646.Peer-Reviewed Original ResearchConceptsCTLA-4 expression levelsCancer-associated fibroblastsAssociated with worse survivalExpression of immune checkpointsLAG-3 expressionDesmoplastic melanomaLymphoid aggregatesCTLA-4PD-1Immune checkpointsIntratumoral leukocytesLAG-3Tumor compartmentsWorse survivalCD20+B cellsIncreased expression of immune checkpointsProgrammed cell death protein 1Macrophage/monocyte markerSentinel lymph node positivityCell death protein 1Associated with poor prognosisLymph node positivityDense fibrous stromaPotential prognostic significanceCore of tumors
2021
Spatially resolved analysis of the T cell immune contexture in lung cancer-associated brain metastases
Lu BY, Gupta R, Aguirre-Ducler A, Gianino N, Wyatt H, Ribeiro M, Chiang VL, Contessa JN, Adeniran AJ, Jilaveanu LB, Kluger HM, Schalper KA, Goldberg SB. Spatially resolved analysis of the T cell immune contexture in lung cancer-associated brain metastases. Journal For ImmunoTherapy Of Cancer 2021, 9: e002684. PMID: 34670827, PMCID: PMC8529973, DOI: 10.1136/jitc-2021-002684.Peer-Reviewed Original ResearchConceptsPrimary lung tumorsT cell subsetsMajor T cell subsetsMultiplexed quantitative immunofluorescenceLung tumorsT cellsCoinhibitory receptorsTim-3Cell subsetsBrain metastasesQuantitative immunofluorescenceHigh LAG-3 expressionTumor PD-L1 expressionPD-L1 protein expressionLymphocyte activation gene-3Low T cell infiltrationHigh TIM-3Major clinicopathological variablesPD-L1 expressionLAG-3 expressionT cell infiltrationTumor-infiltrating lymphocytesLonger overall survivalCell death 1Tumor immune microenvironment