ArticleCancer research2013
CSF1R signaling blockade stanches tumor-infiltrating myeloid cells and improves the efficacy of radiotherapy in prostate cancer.
Article in Cancer research, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 359 papers, 2 of them syntheses that pooled it.
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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
359 citing papers in PubMed, 2 syntheses or guidelines pooled it, 558 citations in OpenAlex.
- Safety and efficacy of radiotherapy/chemoradiotherapy combined with immune checkpoint inhibitors for non-small cell lung cancer: A systematic review and meta-analysis.Frontiers in immunology · 2023Pooled it
- Pexidartinib, a Novel Small Molecule CSF-1R Inhibitor in Use for Tenosynovial Giant Cell Tumor: A Systematic Review of Pre-Clinical and Clinical Development.Drug design, development and therapy · 2020Pooled it
- Randomized Phase II Study Evaluating the Addition of Pembrolizumab to Radium-223 in Metastatic Castration-resistant Prostate Cancer.Cancer immunology research · 2024Trial
- Neoadjuvant BO-112 and Hypofractionated Radiation Therapy with or without Nivolumab in Soft-Tissue Sarcoma: Preclinical and Phase I Results.Cancer discovery · 2026Article
- Radiotherapy and cytokines: A systems view of immunotherapy and toxicity (Review).International journal of molecular medicine · 2026Review
- Combining radiotherapy with CAR-T cell therapy for solid tumors: Challenges, mechanisms, and future directions.Precision radiation oncology · 2026Review
- Low-dose radiotherapy synergizes with PD-1 blockade to achieve durable survival in advanced NSCLC through antitumor neutrophil programming.Signal transduction and targeted therapy · 2026Article
- Spatiotemporal dynamics of radioresistance: decoding macrophage-driven radioprotective niches through temporal-spatial reprogramming.Molecular cancer · 2026Review
- High-dose polystyrene nanoparticles trigger aberrant activation of the MAPK pathway in spinal cord and pain hypersensitivity.Journal of nanobiotechnology · 2026Article
- Radiation-induced SLAMF1 reconfigures the SLAM family receptors landscape in triple-negative breast cancer cells.Journal of Cancer · 2026Article
- A Single-Cell Atlas of Pan-Cancer Liver Metastasis Reveals Dynamic Cellular Programs Driving Metastatic Progression and Immune Modulation.Research (Washington, D.C.) · 2026Article
- Targeting Lysosomes for Enhanced Anti-Cancer Therapeutics and Immune Response.International journal of biological sciences · 2026Review
- Metformin modulates the phenotypes of tumor-associated macrophages in glioblastoma in a context-dependent manner by promoting the homeostasis of macrophages.Frontiers in oncology · 2026Article
- Targeting Folate Receptors for the Detection and Selective Treatment of Cancer: Advanced Precision Oncology in Practice.International journal of biological sciences · 2026Review
- Immune-tumor cell ligand-receptor axes driving metabolic reprogramming and therapeutic resistance in cancer.Frontiers in immunology · 2026Review
- Beyond local control: radiotherapy-immunotherapy combinations fromFrontiers in genetics · 2026Review
- Radiation therapy causes a STING and MyD88-independent upregulation of CD80 and CD86 in macrophages and monocytes that limits tumor control.Cancer immunology, immunotherapy : CII · 2025Article
- How histone modifications influence cellular radiosensitivity: Pharmaceutically targeting epigenetic regulators as a promising avenue to overcome radioresistance.Acta pharmaceutica Sinica. B · 2025Review
- Radiation-Induced Immune Responses from the Tumor Microenvironment to Systemic Immunity.Cancers · 2025Review
- Cancer Immunotherapy in Combination with Radiotherapy and/or Chemotherapy: Mechanisms and Clinical Therapy.MedComm · 2025Review
299 more citing papers are in PubMed but not listed here.
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Authors and funding
9 authors at 5 institutions in 1 country.
Funding
Abstract
Radiotherapy is used to treat many types of cancer, but many treated patients relapse with local tumor recurrence. Tumor-infiltrating myeloid cells (TIM), including CD11b (ITGAM)(+)F4/80 (EMR1)+ tumor-associated macrophages (TAM), and CD11b(+)Gr-1 (LY6G)+ myeloid-derived suppressor cells (MDSC), respond to cancer-related stresses and play critical roles in promoting tumor angiogenesis, tissue remodeling, and immunosuppression. In this report, we used a prostate cancer model to investigate the effects of irradiation on TAMs and MDSCs in tumor-bearing animals. Unexpectedly, when primary tumor sites were irradiated, we observed a systemic increase of MDSCs in spleen, lung, lymph nodes, and peripheral blood. Cytokine analysis showed that the macrophage colony-stimulating factor CSF1 increased by two-fold in irradiated tumors. Enhanced macrophage migration induced by conditioned media from irradiated tumor cells was completely blocked by a selective inhibitor of CSF1R. These findings were confirmed in patients with prostate cancer, where serum levels of CSF1 increased after radiotherapy. Mechanistic investigations revealed the recruitment of the DNA damage-induced kinase ABL1 into cell nuclei where it bound the CSF1 gene promoter and enhanced CSF1 gene transcription. When added to radiotherapy, a selective inhibitor of CSF1R suppressed tumor growth more effectively than irradiation alone. Our results highlight the importance of CSF1/CSF1R signaling in the recruitment of TIMs that can limit the efficacy of radiotherapy. Furthermore, they suggest that CSF1 inhibitors should be evaluated in clinical trials in combination with radiotherapy as a strategy to improve outcomes.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.