ArticleJournal of experimental & clinical cancer research : CR2020
MiR-7e-5p downregulation promotes transformation of low-grade follicular lymphoma to aggressive lymphoma by modulating an immunosuppressive stroma through the upregulation of FasL in M1 macrophages.
Article in Journal of experimental & clinical cancer research : CR, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers, 1 of them a synthesis 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
18 citing papers in PubMed, 1 synthesis or guideline pooled it, 16 citations in OpenAlex.
- Molecular Biomarkers in Prediction of High-Grade Transformation and Outcome in Patients with Follicular Lymphoma: A Comprehensive Systemic Review.International journal of molecular sciences · 2024Pooled it
- Emerging Roles of MicroRNAs in Diffuse Large B-Cell Lymphoma: From Molecular Mechanisms to Clinical Translation, Liquid Biopsy, and Precision Medicine.Biomedicines · 2026Review
- Exosomes liquid biopsy in Lymphoma precision medicine: applications and challenges.Cancer cell international · 2026Review
- Extracellular Vesicles in B-Cell Non-Hodgkin Lymphomas: Pathogenesis, Therapeutic Implications, and Biomarker Potential.Biomedicines · 2026Review
- Understanding hairy cell leukemia in the context of mature B-cell neoplasms: tumor microenvironment and extracellular vesicle contribution to disease pathogenesis.Frontiers in immunology · 2026Review
- Extracellular vesicles in the immune regulation of hematological malignancies: mechanisms, prognostic significance, and therapeutic opportunities.Frontiers in cell and developmental biology · 2026Review
- Metabolic-immune axis in the tumor microenvironment: a new strategy for prognostic assessment and precision therapy in DLBCL and FL.Frontiers in immunology · 2025Review
- Critical Role of Extracellular Vesicles in Diffuse Large B-Cell Lymphoma; Pathogenesis, Potential Biomarkers, and Targeted Therapy-A Narrative Review.Biomedicines · 2024Review
- Gene targeted and immune therapies for nodal and gastrointestinal follicular lymphomas.World journal of gastroenterology · 2023Review
- Advances in the multi-omics landscape of follicular lymphoma.International journal of biological sciences · 2023Review
- Tumor Cell-derived Extracellular Vesicles in Modulating Phenotypes and Immune Functions of Macrophages: Mechanisms and Therapeutic Applications.Journal of Cancer · 2023Review
- Role of MicroRNA-7 (MiR-7) in Cancer Physiopathology.International journal of molecular sciences · 2022Review
- PHOSPHO1 Serves as a Key Metabolism-Related Biomarker in the Tumorigenesis of Diffuse Large B-cell Lymphoma.Current medical science · 2022Article
- Research progress on epigenetics of small B-cell lymphoma.Clinical & translational oncology : official publication of the Federation of Spanish Oncology Societies and of the National Cancer Institute of Mexico · 2022Review
- Exosomal non-coding RNAs: Emerging roles in bilateral communication between cancer cells and macrophages.Molecular therapy : the journal of the American Society of Gene Therapy · 2022Review
- Exosomes and cancer immunotherapy: A review of recent cancer research.Frontiers in oncology · 2022Review
- Expression and prognostic value of E2F3 transcription factor in non-small cell lung cancer.Oncology letters · 2021Article
- MiR-7 in Cancer Development.Biomedicines · 2021Review
Corrections and comments
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Authors and funding
13 authors at 3 institutions in 1 country.
Funding
Abstract
backgroundIn follicular lymphoma (FL), histologic transformation to high-grade FL and diffuse large B-cell lymphoma (DLBCL) is a critical adverse step in disease progression. Activation of the oncogene c-MYC and tumor microenvironment remodeling account for FL progression. A panel of microRNA (miRNA) was downregulated in transformed FL (tFL).
methodsDifferentially expressed miRNAs were systematically compared in 11 lymph nodes from patients at different stages of disease. Expression of miR-7e-5p was analyzed in 46 B-cell lymphomas, including 30 FL tissues and 16 DLBCL tissues. In FL cells, transcriptional regulation of the oncogene c-MYC on its target miR-7e-5p was revealed by Chromatin Immunoprecipitation (ChIP) assay. Exosome, carrying differentially expressed miR-7e-5p was isolated and visualized by transmission electron microscope and fluorescence tracing. The effect of miR-7e-5p on recipient macrophage was determined by target gene quantification, flow cytometry, and TUNEL method in a cocultured system with miR-7e-5p-mimics or inhibitors treatment. Expression of miR-7e-5p targets, macrophage proportions, and clinical parameters were included for correlation analysis.
resultsWe determined that downregulation of miR-7e-5p, driven by c-MYC overexpression, was associated with poorer prognosis in FL patients. The decreased expression of miR-7e-5p in lymphoma cells led to a reduced exosomal transfer to surrounding macrophages. As a result, the target gene of miR-7e-5p, Fas ligand (FasL), was upregulated and activated the caspase signaling, which led to the apoptosis of M1 macrophages in tumor stroma. Finally, in transformed FL tissues, overexpression of FasL and activation of caspase proteins was detected in tumor stromal macrophages. Downregulation of miR-7e-5p was associated with poorer clinical outcomes.
conclusionDownregulation of exosomal miR-7e-5p induces stromal M1 macrophage apoptosis, which leads to immunosurveillance and transformation of FL.
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