Protective Effect of Hainosankyuto, a Traditional Japanese Medicine, on Streptococcus pyogenes Infection in Murine Model
2011

Hainosankyuto Protects Mice from S. pyogenes

Sample size: 30 publication 10 minutes Evidence: moderate

Author Information

Author(s): Minami Masaaki, Ichikawa Mariko, Hata Nanako, Hasegawa Tadao

Primary Institution: Nagoya City University Graduate School of Medical Sciences

Hypothesis

Does Hainosankyuto provide protective and therapeutic efficacy against S. pyogenes skin infection in mice?

Conclusion

Hainosankyuto increased survival rates and enhanced immune responses in mice infected with S. pyogenes.

Supporting Evidence

  • Hainosankyuto did not show a direct anti-bacterial effect against S. pyogenes.
  • Mice treated with Hainosankyuto had a higher survival rate compared to control mice.
  • Lesion sizes were significantly smaller in Hainosankyuto-treated mice.
  • Blood from Hainosankyuto-treated mice showed increased bactericidal activity against S. pyogenes.
  • Cytokine levels of IL-12 and IFN-γ were elevated in Hainosankyuto-treated mice.

Takeaway

Hainosankyuto is a traditional medicine that helps mice fight off a type of bacteria that can cause serious skin infections.

Methodology

Mice were treated with Hainosankyuto or PBS and then infected with S. pyogenes to assess survival and lesion size.

Limitations

The study was conducted only in mice, and the effects in humans are not yet known.

Participant Demographics

Three-week-old ICR 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.0022188

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