Tomato Lycopene Extract Prevents Lipopolysaccharide-Induced NF-κB Signaling but Worsens Dextran Sulfate Sodium-Induced Colitis in NF-κBEGFP Mice
2009

Tomato Lycopene Extract and Its Effects on Colitis

Sample size: 6 publication 10 minutes Evidence: moderate

Author Information

Author(s): Joo Young-Eun, Karrasch Thomas, Mühlbauer Marcus, Allard Brigitte, Narula Acharan, Herfarth Hans H., Jobin Christian

Primary Institution: University of North Carolina at Chapel Hill

Hypothesis

What is the effect of tomato lycopene extract on intestinal inflammation and NF-κB signaling?

Conclusion

Tomato lycopene extract prevents LPS-induced inflammation but worsens DSS-induced colitis by increasing epithelial cell apoptosis.

Supporting Evidence

  • TLE blocked LPS-induced NF-κB signaling in vitro.
  • DSS-induced colitis was worsened in TLE-fed mice.
  • Increased apoptosis was observed in TLE-fed, DSS-exposed mice.

Takeaway

Tomato lycopene extract can help reduce inflammation from certain triggers but can make some types of gut inflammation worse.

Methodology

Mice were fed diets with varying concentrations of tomato lycopene extract and assessed for inflammation and NF-κB signaling.

Potential Biases

Potential bias in dietary intervention effects and model selection.

Limitations

The study primarily focuses on specific mouse models and may not fully represent human responses.

Participant Demographics

NF-κBEGFP mice were used in the study.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0004562

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