ArticleMolecular biology reports2022
HMGB1 induces radioresistance through PI3K/AKT/ATM pathway in esophageal squamous cell carcinoma.
Article in Molecular biology reports, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed, 14 citations in OpenAlex.
- Single-cell and machine learning identify a trihydroxybutyrylation-related prognostic signature in esophageal cancer.Journal of thoracic disease · 2026Article
- Review
- Single-cell analysis reveals the molecular regulatory mechanisms of high mobility group box 1 in prostate cancer development and progression.International urology and nephrology · 2026Article
- The Role of COQ10B in Tumor Progression and Its Association with Immune Escape in Esophageal Squamous Cell Carcinoma: A Multi-Omics and Functional Analysis.International journal of general medicine · 2026Article
- B lymphocytes and tertiary lymphoid structures have a prognostic impact on penile squamous cell carcinoma.The journal of pathology. Clinical research · 2025Article
- HMGB1 Deficiency Occurs in a Broad Range of Human Cancers and Is Often Associated with Unfavorable Tumor Phenotype.Diagnostics (Basel, Switzerland) · 2025Article
- Review
- The mechanism of high mobility group box-1 in the proliferation and macrophage polarization in esophageal squamous cell carcinoma cells.European journal of medical research · 2025Article
- CD9 regulates proliferation, invasion, migration and radioresistance of esophageal squamous cell carcinoma by activating AKT/GSK3β signaling pathway.Frontiers in oncology · 2025Article
- Development and validation of a novel signature to predict the survival and affect the immune microenvironment of esophageal squamous cell carcinoma: epigenetic-related genes.Frontiers in immunology · 2025Article
- TSP50 facilitates breast cancer stem cell-like properties maintenance and epithelial-mesenchymal transition via PI3K p110α mediated activation of AKT signaling pathway.Journal of experimental & clinical cancer research : CR · 2024Article
- Mechanisms involved in the HMGB1 modulation of tumor multidrug resistance (Review).International journal of molecular medicine · 2023Article
- Downregulation of miR-100-5p in cancer-associated fibroblast-derived exosomes facilitates lymphangiogenesis in esophageal squamous cell carcinoma.Cancer medicine · 2023Article
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Authors and funding
7 authors at 1 institution in 1 country.
Funding
Abstract
backgroundTo explore the effect of HMGB1 on the radio-sensitivity of esophageal cancer cells through regulating the PI3K/Akt/ATM pathway. METHODS AND
resultsWe observed the expression of HMGB1 and p-ATM in biopsies of esophageal cancer patients with immunohistochemical staining. Western blot and RT-qPCR were applied to detect the protein and RNA related to PI3K/Akt/ATM pathway, respectively. In addition, we inhibited the PI3K/Akt pathway with ly294002 and activated it with IGF1, then we explored the invasion, proliferation ability, and apoptosis of esophageal cancer cells in vitro by transwell, CCK8 assay, and flow cytometry respectively. In vivo, xenograft tumor model was established in nude mice to study the effect of HMGB1 on radioresistance via PI3K/AKT/ATM Signaling Pathway. The survival rate in patients with single positive/double negative expression of HMGB1 and p-ATM was significantly higher than in those with both positive expression of HMGB1 and p-ATM, the depletion of HMGB1 combined with ly294002 significantly inhibited cell proliferation and invasion ability, meanwhile, the addition of IGF1 reversed it. Meanwhile, depletion of HMGB1 and ly294002 promoted apoptosis and arrested the cancer cells in G0/G1 cell cycle with the decreased expression of Cyclin D1 and CDK4 and improved P16. We further validated these results in vivo, the application of HMGB1 silencing promoted apoptosis of xenograft tumors after radiation, especially combined with pathway inhibitor ly294002.
conclusionsEsophageal cancer patients with high expression of HMGB1 and p-ATM have a poor prognosis after chemo-radiotherapy. Down-regulation of HMGB1 may promote the radio-sensitivity of esophageal cancer cells through regulating PI3K/Akt/ATM pathway.
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