8-Formylophiopogonanone B induces ROS-mediated apoptosis in nasopharyngeal carcinoma CNE-1 cells
Ya-Jing Zhang1, Zhen-Lin Mu1, Ping Deng2
1Medical College, Guangxi University, 100 University East Road, Xixiangtang District, Nanning, Guangxi, 530004, P. R. China.
Abstract:
Cancer is one of the leading causes of death in the world. It is very important to find drugs with high efficiency, low toxicity, and low side effects for the treatment of cancer. Flavonoids and their derivatives with broad biological functions have been recognized as anti-tumor chemicals. 8-Formylophiopogonanone B (8-FOB), a naturally existed homoisoflavonoids with rarely known biological functions, needs pharmacological evaluation. In order to explore the possible anti-tumor action of 8-FOB, we used six types of tumor cells to evaluate in vitro effects of this agent on cell viability and tested the effects on clone formation ability, scratching wound-healing, and apoptosis. In an attempt to elucidate the mechanism of pharmacological action, we examined 8-FOB-induced intracellular oxidative stress and -disrupted mitochondrial function. Results suggested that 8-FOB could suppress tumor cell viability, inhibit cell migration and invasion, induce apoptosis, and elicit intracellular ROS production. Among these six types of tumor cells, the nasopharyngeal carcinoma CNE-1 cells were the most sensitive cancer cells to 8-FOB treatment. Intracellular ROS production played a pivotal role in the anti-tumor action of 8-FOB. Our present study is the first to document that 8-FOB has anti-tumor activity in vitro and increases intracellular ROS production, which might be responsible for its anti-tumor action. The anti-tumor pharmacological effect of 8-FOB is worthy of further investigation.
Insights
8-Formylophiopogonanone B (8-FOB), a natural compound, shows anti-tumor activity by suppressing cancer cell viability and inducing apoptosis. This effect is linked to increased reactive oxygen species (ROS) production.
Area of Science:
- Biochemistry
- Pharmacology
- Oncology
Background:
- Cancer remains a leading global cause of mortality, necessitating novel therapeutics with improved efficacy and reduced toxicity.
- Flavonoids and their derivatives are recognized for their diverse biological functions, including potential anti-tumor properties.
- 8-Formylophiopogonanone B (8-FOB), a homoisoflavonoid, requires pharmacological evaluation for its anti-cancer potential.
Purpose of the Study:
- To investigate the in vitro anti-tumor activity of 8-Formylophiopogonanone B (8-FOB).
- To explore the underlying mechanisms of 8-FOB's potential anti-cancer effects, including oxidative stress and mitochondrial function.
- To identify cancer cell types most sensitive to 8-FOB treatment.
Main Methods:
- Evaluated 8-FOB's effects on cell viability, clone formation, migration (scratch wound-healing assay), and apoptosis in six cancer cell lines.
- Assessed 8-FOB-induced intracellular reactive oxygen species (ROS) production.
- Examined the impact of 8-FOB on mitochondrial function.
Main Results:
- 8-FOB significantly suppressed tumor cell viability, inhibited cell migration and invasion, and induced apoptosis in vitro.
- Nasopharyngeal carcinoma CNE-1 cells exhibited the highest sensitivity to 8-FOB treatment.
- 8-FOB treatment led to increased intracellular ROS production, which was identified as a key mediator of its anti-tumor action.
Conclusions:
- This study provides the first evidence of 8-FOB's in vitro anti-tumor activity.
- Increased intracellular ROS production is a critical mechanism underlying 8-FOB's anti-cancer effects.
- 8-FOB warrants further investigation as a potential anti-cancer agent.
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