3,4-Dicaffeoylquinic Acid, a Major Constituent of Brazilian Propolis, Increases TRAIL Expression and Extends the Lifetimes of Mice Infected with the Influenza A Virus
2012

Brazilian Propolis Extract Increases Lifetimes of Mice Infected with Influenza A Virus

Sample size: 9 publication 10 minutes Evidence: moderate

Author Information

Author(s): Tomoaki Takemura, Tomohiko Urushisaki, Mayuko Fukuoka, Junji Hosokawa-Muto, Taketoshi Hata, Yumiko Okuda, Sachie Hori, Shigemi Tazawa, Yoko Araki, Kazuo Kuwata

Primary Institution: Gifu University

Hypothesis

Does Brazilian green propolis extract enhance survival and TRAIL expression in mice infected with the influenza A virus?

Conclusion

Brazilian green propolis extract and its component 3,4-dicaffeoylquinic acid significantly extend the lifetimes of mice infected with the influenza A virus by increasing TRAIL expression.

Supporting Evidence

  • Propolis extracts significantly increased the survival rates of mice infected with the influenza virus.
  • 3,4-dicaffeoylquinic acid showed a stronger effect than the propolis extract itself.
  • TRAIL mRNA levels were significantly higher in treated mice compared to controls.

Takeaway

This study found that a natural substance from Brazilian propolis can help mice live longer after getting sick with the flu by boosting their immune response.

Methodology

Mice were treated with Brazilian green propolis extracts and their survival times and TRAIL mRNA expression were measured after infection with the influenza A virus.

Limitations

The study primarily focused on a specific strain of influenza and may not generalize to all strains.

Participant Demographics

Female BALB/c mice, 5 weeks old.

Statistical Information

P-Value

p<0.01

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1155/2012/946867

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