Protective Effect of Vaginal Lactobacillus paracasei CRL 1289 against Urogenital Infection Produced by Staphylococcus aureus in a Mouse Animal Model
2007

Lactobacillus paracasei CRL 1289 and Urogenital Infections

Sample size: 15 publication 10 minutes Evidence: moderate

Author Information

Author(s): Gabriela Zárate, Viviana Santos, María Elena Nader-Macias

Primary Institution: Centro de Referencia para Lactobacilos (CERELA)-CONICET, Argentina

Hypothesis

Can Lactobacillus paracasei CRL 1289 prevent vaginal colonization by uropathogenic Staphylococcus aureus in a mouse model?

Conclusion

Lactobacillus paracasei CRL 1289 can significantly reduce the number of Staphylococcus aureus in the vagina and mitigate associated inflammatory damage.

Supporting Evidence

  • Lactobacillus paracasei CRL 1289 was able to colonize the murine vaginal tract.
  • The treatment with L. paracasei CRL 1289 significantly decreased the number of staphylococci at 2 and 5 days post-infection.
  • Control mice showed an insignificant lactobacilli population when challenged with S. aureus.

Takeaway

This study shows that a type of good bacteria called Lactobacillus can help stop bad bacteria from making girls sick in their private parts.

Methodology

The study used six-week-old female BALB/c mice, which were treated with Lactobacillus paracasei CRL 1289 before being challenged with Staphylococcus aureus, and then assessed for bacterial colonization and vaginal structure.

Limitations

The study was conducted in a mouse model, which may not fully replicate human conditions.

Participant Demographics

Six-week-old female BALB/c mice

Statistical Information

P-Value

<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1155/2007/48358

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