ArticleCancers2025
Chemotherapy Liberates a Broadening Repertoire of Tumor Antigens for TLR7/8/9-Mediated Potent Antitumor Immunity.
Article in Cancers, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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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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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
2 citing papers in PubMed.
- Improved Systemic Immunochemotherapy Employing an Oxaliplatin-TLR7/8 Agonist Prodrug Strategy.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- The molecular mechanisms of pyroptosis and its implications in tumor immunotherapy.Molecular cancer · 2026Review
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Authors and funding
4 authors.
Funding
Abstract
backgroundMost immunologically "cold" tumors do not respond durably to checkpoint blockade because tumor antigen (TA) release and presentation are insufficient to prime effective T-cell immunity. While prior work demonstrated synergy between cisplatin and a TLR7/8/9 agonist (CR108) in 4T1 tumors, the underlying mechanism-particularly whether chemotherapy functions as a broad antigen-releasing agent enabling TLR-driven immune amplification-remained undefined.
methodsUsing murine models of breast (4T1), melanoma (B16-F10), and colorectal cancer (CT26), we tested multiple chemotherapeutic classes combined with CR108. We quantified intratumoral and systemic soluble TAs, antigen presentation and cross-priming by antigen-presenting cells, tumor-infiltrating lymphocytes, and cytokine production by flow cytometry/ICS. T-cell receptor β (TCRβ) repertoire dynamics in tumor-draining lymph nodes were profiled to assess amplitude and breadth. Tumor microenvironment remodeling was analyzed, and public datasets (e.g., TCGA basal-like breast cancer) were interrogated for expression of genes linked to TA generation/processing and peptide loading.
resultsUsing cisplatin + CR108 in 4T1 as a benchmark, we demonstrate that diverse chemotherapies-especially platinum agents-broadly increase the repertoire of soluble tumor antigens available for immune recognition. Across regimens, chemotherapy combined with CR108 increased T-cell recognition of candidate TAs and enhanced IFN-γ
conclusionsOur findings establish an antigen-centric mechanism underlying chemo-TLR agonist synergy: chemotherapy liberates a broadened repertoire of tumor antigens, which CR108 then leverages via innate immune activation to drive potent, T-cell-mediated antitumor immunity. This framework for rational selection of chemotherapy partners for TLR7/8/9 agonism and support clinical evaluation to convert "cold" tumors into immunologically responsive disease.
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