ArticleCells2026
Tumor-Infiltrating Natural Killer Cell Characterization in Pancreatic Ductal Adenocarcinoma.
Article in Cells, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
11 authors.
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Abstract
Pancreatic ductal adenocarcinoma (PDAC) has high mortality rates, poor prognosis, and currently limited effective treatments. Natural killer (NK) cells from tumor-infiltrating lymphocytes (TIL) show promise for cancer treatment due to their ability to migrate to the tumor microenvironment (TME) and safe profile. However, expanding functional patient-derived NK cells remains challenging. Here, we cultured, expanded, and characterized TIL-NK cells isolated from central and peripheral tumor regions from PDAC. Ex vivo patient-derived PBMCs and TIL were cultured under IL-2, IL-15, and IL-12 stimulation. Phenotypical and functional NK cell characterization was assessed at the time of surgery and after 12 days of culture evaluating immunophenotype, expansion rate, and activation. A distinct distribution of NK cell infiltration was observed within the TME, with higher NK cell numbers in the periphery of the tumor compared to the central area. Most NK cells displayed a cytotoxic phenotype (CD56
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