Matches in SemOpenAlex for { <https://semopenalex.org/work/W3016947983> ?p ?o ?g. }
- W3016947983 abstract "Abstract Complex tumor microenvironmental (TME) features influence the outcome of cancer immunotherapy (IO). Here we perform immunogenomic analyses on 67 intratumor sub-regions of a PD-1 inhibitor-resistant melanoma tumor and 2 additional metastases arising over 8 years, to characterize TME interactions. We identify spatially distinct evolution of copy number alterations influencing local immune composition. Sub-regions with chromosome 7 gain display a relative lack of leukocyte infiltrate but evidence of neutrophil activation, recapitulated in The Cancer Genome Atlas (TCGA) samples, and associated with lack of response to IO across three clinical cohorts. Whether neutrophil activation represents cause or consequence of local tumor necrosis requires further study. Analyses of T-cell clonotypes reveal the presence of recurrent priming events manifesting in a dominant T-cell clonotype over many years. Our findings highlight the links between marked levels of genomic and immune heterogeneity within the physical space of a tumor, with implications for biomarker evaluation and immunotherapy response." @default.
- W3016947983 created "2020-04-24" @default.
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- W3016947983 date "2020-04-15" @default.
- W3016947983 modified "2023-10-16" @default.
- W3016947983 title "Spatially resolved analyses link genomic and immune diversity and reveal unfavorable neutrophil activation in melanoma" @default.
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