Gut microbial metabolites of phenolic compounds inhibit colon cancer cell proliferation by triggering apoptosis and cell cycle arrest
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View abstract on PubMed
Summary
This summary is machine-generated.Gut microbial metabolites of phenolic compounds show anti-proliferative effects against colon cancer cells. These compounds, found in fruits and vegetables, may explain diet
Area Of Science
- Biochemistry
- Oncology
- Microbiology
Background
- Dietary intake of phenolic compounds is linked to reduced colon cancer risk.
- Gut microbiota metabolize phenolic compounds into bioactive molecules.
- The specific metabolites responsible for this protective effect require identification.
Purpose Of The Study
- To evaluate the anti-proliferative activity of phenolic compound metabolites on colon cancer cells.
- To identify specific gut microbial metabolites with potential chemopreventive properties.
- To investigate the mechanisms underlying the anti-cancer effects of these metabolites.
Main Methods
- In vitro testing of phenolic metabolites against Caco-2 and SW480 colon adenocarcinoma cell lines.
- Determination of half-maximal inhibitory concentration (IC50) values.
- Analysis of mechanisms including cell cycle disruption, apoptosis induction, and reactive oxygen species generation.
Main Results
- 3',4'-dihydroxyphenylacetic acid and 3-(3',4'-dihydroxyphenyl)propanoic acid exhibited potent anti-proliferative activity against Caco-2 cells at physiological concentrations.
- Gallic acid, pyrogallol, and 5-(3',4'-dihydroxyphenyl)-γ-valerolactone also showed significant activity against Caco-2 cells.
- Naringenin, eriodictyol, hesperetin, gallic acid, and pyrogallol were most active against SW480 cells.
Conclusions
- Gut microbial metabolites of phenolic compounds possess significant anti-proliferative activity against colon cancer cells.
- These metabolites may mediate the protective effects of diets rich in fruits and vegetables against colon cancer.
- Further research into these compounds could lead to novel chemopreventive strategies.
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