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The Inhibitory Effects of Vanillin on the Growth of Melanoma by Reducing Nuclear Factor-κB Activation
Marjan Pourhadi1, Ahmad Ghasemi1, Reza Abediny1
1Applied Physiology Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran.
Background:
Melanoma is skin cancer, and the treatments are not efficient enough. Therefore, finding new drugs seems to be an essential need. Vanillin, which is extracted from vanilla seed, has anti-cancer effects by reducing nuclear factor-κB (NF). We explored the anti-tumor effects of vanillin in the melanoma model and its possible mechanism.
Materials And Methods:
In the MTT assay, mice melanoma cells (B16F10) were treated with vanillin (1, 2, 3, 4, 5 μg/mL) for 24 and 48 h. In an animal model, B16F10 was subcutaneously injected into C57BL/6 mice. After the development of tumors, the mice were treated with 50 and 100 mg/kg/day of vanillin for 10 days. The tumor size and expression level of NF-κB protein were measured.
Results:
In the MTT assay, vanillin in all concentrations significantly decreased B16F10 cell viability after 24 h incubation. The size of melanoma tumors was reduced in both doses 50 and 100 mg/kg/day in mice. NF-κB protein expression was decreased in the 100 mg/kg/day group in comparison with the control group.
Conclusion:
We found that vanillin by reducing NF-κB expression may have anti-tumor effects and reduced melanoma tumor size and cell viability.
Insights
Vanillin, derived from vanilla, shows anti-cancer properties by reducing nuclear factor-κB (NF-κB). This study found vanillin effectively reduced melanoma tumor size and cancer cell viability in preclinical models.
Area of Science:
- Oncology
- Pharmacology
Background:
- Melanoma treatment remains a challenge due to insufficient efficacy of current therapies.
- Vanillin, a natural compound from vanilla, exhibits potential anti-cancer activity by inhibiting nuclear factor-κB (NF-κB).
Purpose of the Study:
- To investigate the anti-tumor effects of vanillin in a melanoma model.
- To elucidate the mechanism of vanillin's anti-cancer action, specifically its effect on NF-κB.
Main Methods:
- In vitro cytotoxicity was assessed using MTT assays on B16F10 melanoma cells treated with varying vanillin concentrations.
- In vivo anti-tumor efficacy was evaluated in a C57BL/6 mouse melanoma model, with tumor size and NF-κB protein expression measured after vanillin administration.
Main Results:
- Vanillin significantly reduced B16F10 cell viability across all tested concentrations after 24 hours.
- Administration of vanillin at 50 and 100 mg/kg/day doses led to a reduction in melanoma tumor size in mice.
- NF-κB protein expression was notably decreased in mice treated with the higher vanillin dose (100 mg/kg/day).
Conclusions:
- Vanillin demonstrates significant anti-tumor effects in melanoma models.
- The anti-cancer mechanism of vanillin appears to involve the reduction of NF-κB expression.
- Vanillin holds promise as a potential therapeutic agent for melanoma treatment.
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