ArticleCancer management and research2020
Oridonin Induces Apoptosis of Laryngeal Carcinoma via Endoplasmic Reticulum Stress.
Article in Cancer management and research, 2020. 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.
- Qualitative and Quantitative Characterization of Isodon rubescens and Its Pharmaceutical Preparations Using NMR and UHPLC-QTOF-MS.Magnetic resonance in chemistry : MRC · 2026Article
- Oridonin Suppresses Bladder Cancer Growth and Metastasis by Inducing S-Phase Arrest and Apoptosis.International journal of molecular sciences · 2026Article
- Oridonin targets PRDX1 to promote apoptosis by inducing ROS-mediated ER stress and modulating autophagy.International journal of biological sciences · 2026Article
- PKR Inhibitor C16 Regulates HIV-gp120 Induced Neuronal Injury and Cognitive Impairment in Vivo and in Vitro Models.Neurochemical research · 2025Article
- Oridonin fromFood science & nutrition · 2024Review
- The Natural Product Oridonin as an Anticancer Agent: Current Achievements and Problems.Current pharmaceutical biotechnology · 2024Review
- Oridonin inhibited epithelial-mesenchymal transition of laryngeal carcinoma by positively regulating LKB1/AMPK signaling.International journal of medical sciences · 2024Article
- Review
- Oridonin Alleviates LPS-Induced Depression by Inhibiting NLRP3 InflammasomeFrontiers in medicine · 2021Article
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Authors and funding
8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
purposeOridonin, a bioactive diterpenoid derived from
methodsThe proliferation of laryngeal carcinoma Hep-2 and TU212 cells treated with oridonin was determined by MTT assay. The apoptotic induction effect of oridonin on Hep-2 and TU212 cells was analyzed by flow cytometry, Western blot analysis and caspase3 activity assay. In addition, the caspase inhibitor, Z-VAD-fmk, was synergistically treated with oridonin to detect the function of caspase cascade in oridonin-mediated apoptosis. Then, the expressions of endoplasmic reticulum (ER) stress-related proteins (GRP78, phosphorylated-PERK, phosphorylated-eIF2α and CHOP) were measured in Hep-2 and TU212 cells by Western blotting. The cells were treated with 4-PBA (an ER stress inhibitor) or knockdown of CHOP to explore the role of ER stress in oridonin-mediated apoptosis in laryngeal carcinoma. Subsequently, a nude mouse xenograft model was constructed to confirm the function of oridonin in laryngeal carcinoma in vivo.
resultsOridonin was found to significantly inhibit the proliferation of laryngeal carcinoma Hep-2 and TU212 cells in a concentration-dependent manner. Then, we confirmed that oridonin could induce apoptosis in human laryngeal carcinoma cells. The caspase inhibitor, Z-VAD-fmk, could partially reverse the pro-apoptotic effect of oridonin on human laryngeal carcinoma cells. Subsequently, Western blotting analysis demonstrated that endoplasmic reticulum (ER) stress-related proteins (GRP78, phosphorylated-PERK, phosphorylated-eIF2α and CHOP) were up-regulated in Hep-2 and TU212 cells exposed to oridonin. In addition, 4-PBA (an ER stress inhibitor) or knockdown of CHOP could antagonize oridonin-induced apoptosis. Oridonin significantly decreased the tumorigenicity of Hep-2 cells in a nude mouse xenograft model.
conclusionOridonin-induced apoptosis of human laryngeal carcinoma through the activation of ER stress.
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