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An Orthotopic Murine Model of Human Prostate Cancer Metastasis
Published on: September 18, 2013
Anticarcinogenic Effect of Spices Due to Phenolic and Flavonoid Compounds-In Vitro Evaluation on Prostate Cells
Zuzana Lackova1,2, Hana Buchtelova3,4, Zaneta Buchtova5
1Department of Chemistry and Biochemistry, Mendel University in Brno, Zemedelska 1, Brno CZ-613 00, Czech Republic. lackova14@seznam.cz.
Abstract:
This study shows the effects of spices, and their phenolic and flavonoid compounds, on prostate cell lines (PNT1A, 22RV1 and PC3). The results of an MTT assay on extracts from eight spices revealed the strongest inhibitory effects were from black pepper and caraway seed extracts. The strongest inhibitory effect on prostatic cells was observed after the application of extracts of spices in concentration of 12.5 mg·mL-1. An LC/MS analysis identified that the most abundant phenolic and flavonoid compounds in black pepper are 3,4-dihydroxybenzaldehyde and naringenin chalcone, while the most abundant phenolic and flavonoid compounds in caraway seeds are neochlorogenic acid and apigenin. Using an MTT assay for the phenolic and flavonoid compounds from spices, we identified the IC50 value of ~1 mmol·L-1 PNT1A. The scratch test demonstrated that the most potent inhibitory effect on PNT1A, 22RV1 and PC3 cells is from the naringenin chalcone contained in black pepper. From the spectrum of compounds assessed, the naringenin chalcone contained in black pepper was identified as the most potent inhibitor of the growth of prostate cells.
Insights
Black pepper and caraway seed extracts show potent effects on prostate cells. Naringenin chalcone from black pepper was identified as the most effective inhibitor of prostate cell growth.
Area of Science:
- Phytochemistry
- Cell Biology
- Oncology
Background:
- Prostate cancer is a significant health concern.
- Natural compounds from spices offer potential therapeutic avenues.
- Understanding the effects of specific phytochemicals on prostate cells is crucial.
Purpose of the Study:
- To investigate the impact of spice extracts and their compounds on prostate cell lines.
- To identify specific phenolic and flavonoid compounds responsible for inhibitory effects.
- To determine the most potent natural inhibitor of prostate cell growth.
Main Methods:
- MTT assay to evaluate cytotoxicity of spice extracts and compounds.
- Liquid Chromatography-Mass Spectrometry (LC/MS) for compound identification.
- Scratch assay to assess cell migration inhibition.
Main Results:
- Black pepper and caraway seed extracts exhibited the strongest inhibitory effects on prostate cells (PNT1A, 22RV1, PC3) at 12.5 mg·mL-1.
- LC/MS identified key compounds: 3,4-dihydroxybenzaldehyde and naringenin chalcone in black pepper; neochlorogenic acid and apigenin in caraway seeds.
- Naringenin chalcone demonstrated the most potent inhibition of prostate cell growth, with an IC50 of ~1 mmol·L-1 on PNT1A cells.
Conclusions:
- Spice-derived compounds, particularly naringenin chalcone from black pepper, possess significant potential for inhibiting prostate cell proliferation.
- Naringenin chalcone is identified as a highly effective natural inhibitor of prostate cell growth.
- Further research into naringenin chalcone as a therapeutic agent for prostate conditions is warranted.
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