ArticleInternational journal of nanomedicine2025
CircPRMT5, a Potential Salivary Biomarker, Facilitates the Progression of Head and Neck Squamous Cell Carcinoma via the IGF2BP3-SERPINE1 Pathway.
Article in International journal of nanomedicine, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Extracellular Vesicles in Head and Neck Cancer-A Systematic Review.Journal of extracellular biology · 2026Review
- Salivary Extracellular Vesicles: Paradigm Shift in Liquid Biopsy Diagnostics.Journal of extracellular biology · 2026Review
- circTGFBR2(3-6) acts as an assembly platform for RNA-binding protein IGF2BP3 and TGFBR1 mRNA to enhance breast cancer cell plasticity.Cell death and differentiation · 2026Article
- The m6A-circRNA axis: a therapeutic prospect for gastric cancer.Cell biology and toxicology · 2026Review
- IGF2BP3 promotes progression of head and neck cancers through the circHECTD2/hsa_miR_4310/7157-5p/Smad2 signaling axis in an mMolecular cancer · 2026Article
- Orchestrating Tumor Metastasis: Exosomes as Master Regulators of the Local and Distant Microenvironment.International journal of biological sciences · 2026Review
- Machine learning identifies exosome related gene signatures for early prediction of non-small cell lung cancer.Scientific reports · 2025Article
- Mechanism of action ofOncology letters · 2025Article
- Adverse event profile of five anti head and neck squamous cell carcinoma drugs: a descriptive analysis from WHO-VigiAccess.Frontiers in pharmacology · 2025Article
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Authors and funding
10 authors.
Funding
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Abstract
Purpose: Circular RNAs (circRNAs) are associated with the progression of tumors and hold promise as potential biomarkers for liquid biopsy. Among these, the role of circPRMT5 in head and neck squamous cell carcinoma (HNSCC) remains to be elucidated. This study aims to examine the role and underlying mechanisms of circPRMT5 in the progression of HNSCC and to assess its potential diagnostic value in saliva exosomes. Methods: The expression of circPRMT5 and its clinical significance in HNSCC were investigated. Both in vitro and in vivo studies were performed to elucidate the biological role of circPRMT5 in HNSCC. RNA sequencing was utilized to identify downstream mechanisms. To evaluate and validate these mechanisms, Western blotting, RNA-FISH, immunofluorescence, immunohistochemistry, RIP, and rescue experiments were employed. Finally, salivary exosomes were isolated, and the expression levels of circPRMT5 were assessed using qRT-PCR. Results: The upregulation of circPRMT5 in HNSCC tissues was identified to be correlated with cervical lymph node metastasis and advanced clinical T stage. Both in vitro and in vivo experiments manifested that circPRMT5 promoted the proliferation and metastasis of HNSCC. Mechanistically, circPRMT5 was demonstrated to directly bind to and stabilize the insulin-like growth factor 2 mRNA-binding protein 3 (IGF2BP3), which, subsequently, binds to and stabilizes the serpin family E member 1 (SERPINE1) mRNA, thereby enhancing SERPINE1 expression. Furthermore, rescue experiments indicated that the proliferative, invasive, and migratory effects of circPRMT5 in HNSCC were dependent on the involvement of IGF2BP3 and SERPINE1. Notably, circPRMT5 levels were significantly elevated in the saliva exosomes of HNSCC patients, exhibiting substantial diagnostic value. Conclusion: CircPRMT5 exhibits significant diagnostic utility through salivary exosomes and plays a crucial role in promoting the progression of HNSCC via the IGF2BP3-SERPINE1 pathway. These findings highlight the potential of circPRMT5 as a noninvasive diagnostic biomarker and a therapeutic target for patients with HNSCC.
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