ArticleClinical & translational oncology : official publication of the Federation of Spanish Oncology Societies and of the National Cancer Institute of Mexico2023
PD-L1/PD-1 blockage enhanced the cytotoxicity of natural killer cell on the non-small cell lung cancer (NSCLC) by granzyme B secretion.
Article in Clinical & translational oncology : official publication of the Federation of Spanish Oncology Societies and of the National Cancer Institute of Mexico, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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7 citing papers in PubMed, 14 citations in OpenAlex.
- The impact of PD-1 mutations on pembrolizumab binding: insights from molecular dynamics and MM-GBSA analysis.Scientific reports · 2026Article
- Jurkat T-Cell Antigen-Independent Elimination of PMA-Activated Neuroblastoma Cells Is Triggered by CCL2/CCR2, Depends Upon Lipid Raft LFA1/ICAM1 Immune Synapses, Is Mediated by m-TRAIL and Is Augmented by the TrkAIII Oncoprotein.International journal of molecular sciences · 2026Article
- Inhibition of PD-L1/PD-1 Checkpoint Increases NK Cell-Mediated Killing of Melanoma Cells in the Presence of Interferon-Beta.Cancers · 2025Article
- Unveiling the power of plumbagin: revitalizing exhausted T cells to combat tongue cancer.Cancer cell international · 2025Article
- Natural Killer Cell Immune Checkpoints and Their Therapeutic Targeting in Cancer Treatment.Research (Washington, D.C.) · 2025Article
- Evolving insights into the improvement of adoptive T-cell immunotherapy through PD-1/PD-L1 blockade in the clinical spectrum of lung cancer.Molecular cancer · 2024Review
- Effective intravenous delivery of adenovirus armed with TNFα and IL-2 improves anti-PD-1 checkpoint blockade in non-small cell lung cancer.Oncoimmunology · 2023Article
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
Abstract
objectiveTo explore the role of PD-L1/PD-1 blockage in the cytotoxicity of natural killer cell in NSCLC.
methodsTwo NSCLC cell lines, Calu-1 and H460, were tested for susceptibility to the cytolytic activity of freshly isolated healthy donor NK cells by a non-radioactive cellular cytotoxicity assay kit. Western blot analysis, FACS, ELISA and antibody blockage experiments were conducted to determine the mechanisms. NK cells isolated from NSCLC patients were also collected for functional assays.
resultsCalu-1 and H460 cells were lysed by NK cells in a dose-dependent manner. H460 cells showed less susceptibility to NK cell-mediated lysis than Calu-1 cells at all ratios. The expression of PD-L1 on H460 cells was higher than that on Calu-1 cells, as determined by FACS and western blot analysis. The specific lysis of H460 cells by NK cells was enhanced when the PD-L1/PD-1 interaction was blocked by anti-PD-L1 antibody. This finding was also demonstrated in NK cells isolated from NSCLC patients.
conclusionsThe present study revealed that PD-L1/PD-1 blockage enhanced the cytotoxicity of natural killer cells in NSCLC via granzyme B secretion. This study will greatly facilitate the precise treatment of lung cancer through determination of PD-L1 expression in tumors.
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