ArticleTranslational cancer research2022
Effects of brucine on mitochondrial apoptosis and expression of HSP70 in prostate cancer cells.
Article in Translational cancer research, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 12 citations in OpenAlex.
- Research progress on the chemical and pharmacological effects ofInternational journal of molecular medicine · 2026Review
- Surface-Modified Nanocarriers Encapsulating Brucine and Nigella Sativa Oil: A Novel Approach to Solid Tumor Therapy.Pharmaceuticals (Basel, Switzerland) · 2025Article
- Brucine Suppresses Malignant Progression of Prostate Cancer by Decreasing Sarcosine Accumulation via Downregulation of GNMT in the Glycine/sarcosine Metabolic Pathway.Cell biochemistry and biophysics · 2024Article
- Induction of ferroptosis by brucine suppresses gastric cancer progression through the p53-mediated SLCA711/ALOX12 axis.Heliyon · 2024Article
- Article
- Chinese herbal medicines for prostate cancer therapy: From experimental research to clinical practice.Chinese herbal medicines · 2023Review
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Authors and funding
6 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Background: Most prostate cancer patients are already in the middle/advanced stages of the disease at the time of detection. Whether brucine can regulate apoptosis in prostate cancer cells through the expression of heat shock protein 70 (HSP70) has not been reported. We preliminarily investigated the effects of brucine on the mitochondrial apoptosis and HSP70 expression of prostate cancer cells and analyzed brucine's possible mechanisms in the hope of providing an experimental basis for its clinical application. Methods: The effect of brucine on the activity of PC-3 cells was determined by the methodology of tetrazolium (MTT) assay method. The effect of brucine on apoptosis was measured by Hoechst 33258 staining and flow cytometry, and western blotting was used to detect the expression levels of the apoptosis-related heat shock protein 70 (HSP70), anti-apoptotic protease activating factor 1 (Apaf-1) and anti-cysteine protease-3 (caspase-3). Results: At 24 and 48 h, the activity of human prostate cancer PC-3 cells in the low, medium, and high dose brucine groups was significantly lower than that of the control group, with a dose-dependent difference (P<0.01). The nuclei of the control group fluoresced uniformly with intact nuclei, whereas the nuclei of the brucine group appeared crinkled, and dense granular masses of strong blue fluorescence were visible. The apoptosis rate of human prostate cancer PC-3 cells in the low, medium, and high dose brucine groups was significantly higher than that in the control group (P<0.01) and was dose-dependent. The expression levels of the HSP70 protein in the human prostate cancer PC-3 cells in the low, medium, and high dose brucine groups were significantly lower than those in the control group, while the expression levels of the Apaf-1 and caspase-3 proteins were significantly higher than those in the control group (P<0.01) and showed a dose-dependent relationship. Conclusions: Brucine downregulated HSP70 expression in human prostate cancer PC-3 cells and inhibited the mitochondrial apoptotic signaling pathway, thus acting as an anti-apoptotic agent.
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