ArticleScientific reports2020
VEGF knockdown enhances radiosensitivity of nasopharyngeal carcinoma by inhibiting autophagy through the activation of mTOR pathway.
Article in Scientific reports, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.
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Who cites it
20 citing papers in PubMed, 31 citations in OpenAlex.
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- Macrophage derived VEGF regulates macrophage senescence to inhibit radiation-induced dermatitis.Journal of translational medicine · 2025Article
- Bispecific Antibody Targeting VEGF/TGF-β Synergizes with Local Radiotherapy: Turning Tumors from Cold to Inflamed and Amplifying Abscopal Effects.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- Tumor necrosis factor-α-treated human adipose-derived stem cells enhance inherent radiation tolerance and alleviate in vivo radiation-induced capsular contracture.Journal of advanced research · 2025Article
- LncRNA HOTAIRM1 promotes radioresistance in nasopharyngeal carcinoma by modulating FTO acetylation-dependent alternative splicing of CD44.Neoplasia (New York, N.Y.) · 2024Article
- DNA damage response in brain tumors: A Society for Neuro-Oncology consensus review on mechanisms and translational efforts in neuro-oncology.Neuro-oncology · 2024Review
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- Roles of isometric contraction training in promoting neuroprotection and angiogenesis after stroke in adult rats.Physiological research · 2022Article
- Long noncoding RNA LINC00930 promotes PFKFB3-mediated tumor glycolysis and cell proliferation in nasopharyngeal carcinoma.Journal of experimental & clinical cancer research : CR · 2022Article
- Radiotherapy as a tool to elicit clinically actionable signalling pathways in cancer.Nature reviews. Clinical oncology · 2022Review
- Alcohol and Head and Neck Cancer: Updates on the Role of Oxidative Stress, Genetic, Epigenetics, Oral Microbiota, Antioxidants, and Alkylating Agents.Antioxidants (Basel, Switzerland) · 2022Review
- Advances in the study of HSP70 inhibitors to enhance the sensitivity of tumor cells to radiotherapy.Frontiers in cell and developmental biology · 2022Review
- Exploration of the effect of Celastrol on protein targets in nasopharyngeal carcinoma: Network pharmacology, molecular docking and experimental evaluations.Frontiers in pharmacology · 2022Article
- A functional outside-in signaling network of proteoglycans and matrix molecules regulating autophagy.Matrix biology : journal of the International Society for Matrix Biology · 2021Article
- Identification of an Autophagy-Related lncRNA Prognostic Signature and Related Tumor Immunity Research in Lung Adenocarcinoma.Frontiers in genetics · 2021Article
- Quetiapine Significantly Improves the Effectiveness of Radiotherapy in Combating Hepatocellular Carcinoma Progression in a Hep3B Xenograft Mouse Model.In vivo (Athens, Greece)Article
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Authors and funding
8 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Vascular endothelial growth factor (VEGF) is an important pro-angiogenic factor. VEGF was reported to promote the occurrence of autophagy, which enhanced the radioresistance of tumors. The purpose of this study was to investigate the influence of VEGF silencing on the radiosensitivity of nasopharyngeal carcinoma (NPC) cells and the underlying mechanisms. The radiosensitivity of NPC cells after VEGF silencing was detected by cell counting kit 8 (CCK-8) and clonogenic assay, while cell cycle and apoptosis were detected by flow cytometry. The processes of DNA damage, repair and autophagy were examined by immunofluorescence and western blotting. The interaction between VEGF and mTOR was confirmed by western blotting and co-immunoprecipitation studies. The effect of VEGF on radiosensitivity of NPC cells was investigated in vivo using a xenograft model. Furthermore, immunohistochemistry and TUNEL assays were used to verify the relationship between autophagy and radiosensitivity in NPC after VEGF depletion. Downregulation of VEGF significantly inhibited cell proliferation and induced apoptosis of NPC cells after radiotherapy in vitro and in vivo. In addition, VEGF knockdown not only decreased autophagy level, but also delayed the DNA damage repair in NPC cells after irradiation. Mechanistically, silencing VEGF suppressed autophagy through activation of the mTOR pathway. VEGF depletion increased radiosensitivity of NPC cells by suppressing autophagy via activation of the mTOR pathway.
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