ArticleOncoTargets and therapy2019
miR-181a Upregulation Promotes Radioresistance of Nasopharyngeal Carcinoma by Targeting RKIP.
Article in OncoTargets and therapy, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 15 citations in OpenAlex.
- lncRNA JPX promotes radioresistance in nasopharyngeal carcinoma via the miR-1301-3p/PIK3R2-mediated autophagy pathway.Translational cancer research · 2026Article
- EBV-Mediated Rewiring of ceRNA Networks in Nasopharyngeal Carcinoma: Mechanisms, ncRNA Interplay, and Oncogenic Implications.Cell biochemistry and biophysics · 2026Review
- Decoding the role of non-coding RNAs in HNSCC radioresistance: molecular mechanisms and clinical implications.Frontiers in oncology · 2026Review
- Defeating miR-181a-3p may potentiate the effect of paclitaxel on G2/M arrest in breast cancer stem cells.Medical oncology (Northwood, London, England) · 2025Article
- High-throughput 3D spheroid screens identify microRNA sensitizers for improved thermoradiotherapy in locally advanced cancers.Molecular therapy. Nucleic acids · 2025Article
- The promising role of miRNAs in radioresistance and chemoresistance of nasopharyngeal carcinoma.Frontiers in oncology · 2024Review
- Knockdown of circ_0005615 enhances the radiosensitivity of colorectal cancer by regulating the miR-665/NOTCH1 axis.Open medicine (Warsaw, Poland) · 2023Article
- UBE2T is upregulated, predicts poor prognosis, and promotes cell proliferation and invasion by promoting epithelial-mesenchymal transition via inhibiting autophagy in an AKT/mTOR dependent manner in ovarian cancer.Cell cycle (Georgetown, Tex.) · 2022Article
- Involvement of Non-Coding RNAs in Chemo- and Radioresistance of Nasopharyngeal Carcinoma.Cancer management and research · 2021Review
- Advances in targeted therapy mainly based on signal pathways for nasopharyngeal carcinoma.Signal transduction and targeted therapy · 2020Review
- Downregulation of RKIP promotes radioresistance of nasopharyngeal carcinoma by activating NRF2/NQO1 axis via downregulating miR-450b-5p.Cell death & disease · 2020Article
Corrections and comments
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Authors and funding
9 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundRadioresistance is the leading cause of treatment failure for nasopharyngeal carcinoma (NPC). Therefore, screening the critical regulators in radioresistance and revealing the underlying mechanisms is imperative for improvement of therapeutical efficacy in NPC. MATERIALS AND
methodsOur previous study has proved that miR-181a may serve as a pro-radioresistant miRNA. In this study, we explored the expression of miR-181a in NPC, especially in radioresistant NPC samples, by qPCR. Moreover, the clinical significance of miR-181a level was also analyzed. Furthermore, the functions of miR-181a, both in vitro and in vivo, were detected via a serial of assays such as CCK-8, plate clone survival, apoptosis, and xenograft tumor model. The downstream target of miR-181a was also validated by dual luciferase reporter assay and the roles of miR-181a's target in the regulation of NPC radioresistance were investigated.
resultsThe results revealed that miR-181a was significantly upregulated in NPC, especially in radioresistant NPC. MiR-181a level is positively correlated to lymph node metastasis and advanced TNM stages and negatively associated with overall survival rate in NPC. Ectopic expression of miR-181a in radiosensitive NPC cells, or overexpression of miR-181a inhibitor in radioresistant NPC cells, could enhance or impair the radioresistance of NPC cells supported by the results from both in vitro and in vivo, respectively. Mechanistically, dual luciferase report assay indicated that miR-181a could directly target RKIP. Moreover, both in vitro and in vivo experimental outcomes indicated that RKIP restoration and knockdown could antagonize the effects of miR-181a and miR-181a inhibitor in the regulation of NPC radioresistance.
conclusionCollectively, the findings of this study proved that miR-181a is upregulated and promotes radioresistance by targeting RKIP in NPC. Targeting miR-181a/RKIP axis may be a valid path for reinforcing radiosensitivity and eventually improving the outcomes of clinical treatment in NPC.
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