ArticleVaccines2024
Radiation-Induced Tumor-Derived Extracellular Vesicles Combined with Tyrosine Kinase Inhibitors: An Effective and Safe Therapeutic Approach for Lung Adenocarcinoma with EGFR19Del.
Article in Vaccines, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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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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Who cites it
1 citing paper in PubMed.
- Thbs1Journal of advanced research · 2026Article
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Authors and funding
10 authors.
Funding
Abstract
backgroundCombining radiotherapy with targeted therapy benefits patients with advanced epidermal growth factor receptor-mutated non-small cell lung cancer (EGFRm NSCLC). However, the optimal strategy to combine EGFR tyrosine kinase inhibitors (TKIs) with radiotherapy for maximum efficacy and minimal toxicity is still uncertain. Notably, EVs, which serve as communication mediators among tumor cells, play a crucial role in the anti-tumor immune response. Methods To exploit the role of EVs in the delivery of tumor antigens, we formulated a therapeutic strategy that involves the use of radiation-induced tumor-derived EVs (TEXs) loaded onto dendritic cells (DCs) as a kind of vaccine in conjunction with EGFR TKIs and assessed the efficacy and safety of this approach in the treatment of EGFRm NSCLC. Results In our study, we characterized the release of immunogens as influenced by various modes of cell death, examining the impact of different levels of cell death under diverse irradiation modalities. Our results demonstrated that a radiation mode of 6Gy*3f exhibited the most promising potential to stimulate anti-tumor immune responses. This radiotherapy fraction, combined with TKIs, showed promising results in a tumor-bearing mouse model with an EGFR mutation, although there is a risk of radiation-associated pneumonitis. Furthermore, we found that 6Gy*3f-TEXs in vitro activate DCs and promote T cell proliferation as well as cytotoxic T lymphocyte-mediated tumor cell destruction. The administration of EGFR-TKIs combined DCs loaded with 6Gy*3f-TEXs exhibited the potential to inhibit tumor growth and mitigate the risk of pneumonitis. Together, the research shows that TEXs from high-dose fractionation radiation can mature DCs and boost the killing of cytotoxic T lymphocytes. Combining these DC vaccines with Osimertinib offers a promising and safe treatment for EGFRm NSCLC.
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